A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Liu’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
14 of 14 plans
Plans whose provider directory lists this clinician
Licensed to practise in California · since 1997 · expires 2027-01-31 · Northwestern University Medical School.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Original Medicare doctor bills
$133,776
Medicare paid this office $133,776 for 421 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Largest Original Medicare bills
Botox
28
$44,000
—None
New patient visit (45+ min)
176
$25,418
$144
Long return visit (40+ min)
83
$17,517
$162
Return visit (30+ min)
111
$13,148
$102
Short return visit (20+ min)
100
$9,127
$71
See all 9 services
Every Original Medicare service billed
Botox
28
$44,000
—None
New patient visit (45+ min)
176
$25,418
$144
Long return visit (40+ min)
83
$17,517
$162
Return visit (30+ min)
111
$13,148
$102
Short return visit (20+ min)
100
$9,127
$71
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face
17
$6,052
$138
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
255
$5,158
$14
Muscle electrical test
24
$2,795
$100
Short return visit
16
$731
$46
Who their Medicare patients are
421 Original Medicare patients in 2024. Average age 77 · Under 65 5% · 85 and older 19% · Women 55% · Also on Medicaid 12% · Health risk score 1.11. At or below the middle of the specialty; the typical neurology clinician is at 1.61.
The office billed $486,975, Medicare allowed $180,817 and paid $133,776; for 10,692 services of 25 kinds; $44,002 of it was for drugs given in the office and $89,774 for care.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
Original Medicare by year
2024
421
10,692
77
1.11
$486,975
$133,776
2023
391
9,115
76
1.20
$412,588
$120,449
2022
421
10,807
77
1.25
$451,644
$133,394
2021
445
11,358
77
1.28
$484,912
$151,914
2020
402
10,295
76
1.31
$421,040
$124,324
2019
434
7,684
76
1.20
$392,616
$112,141
2018
451
6,688
76
1.33
$387,938
$108,824
2017
434
6,449
76
1.40
$369,744
$107,421
2016
424
7,489
76
1.43
$379,841
$110,815
2015
484
2,882
76
1.39
$320,365
$99,889
2014
392
1,133
76
1.38
$256,300
$76,373
2013
389
1,162
76
1.29
$253,694
$73,129
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 11 services
Original Medicare services billed in 2023
Botox
20
$38,186
—None
New patient visit (45+ min)
138
$19,322
$140
Long return visit (40+ min)
76
$14,069
$160
Return visit (30+ min)
92
$13,073
$116
Short return visit (20+ min)
112
$11,944
$77
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face
11
$5,376
$141
Initial hospital care with moderate level of medical decision making at least 75 minutes
19
$3,039
$160
Nerve test
12
$2,932
$244
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes
14
$1,975
$110
Muscle electrical test
16
$1,590
$99
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes
12
$1,094
$73
2022: 10 services
Original Medicare services billed in 2022
Botox
22
$46,600
—None
New patient visit (45+ min)
158
$21,388
$135
Long return visit (40+ min)
83
$15,306
$155
Return visit (30+ min)
108
$15,085
$113
Short return visit (20+ min)
117
$11,150
$74
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face
12
$6,171
$140
Nerve test
15
$3,691
$246
Muscle electrical test
19
$2,338
$102
Initial hospital care with moderate level of medical decision making at least 75 minutes
12
$2,161
$180
Short return visit
23
$1,120
$43
2021: 9 services
Original Medicare services billed in 2021
Botox
19
$48,737
—None
New patient visit (45+ min)
168
$26,053
$155
Long return visit (40+ min)
101
$21,751
$167
Return visit (30+ min)
116
$15,955
$111
Short return visit (20+ min)
112
$11,735
$81
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face
11
$5,268
$135
New patient visit (60+ min)
26
$4,202
$162
Nerve test
14
$3,394
$242
Muscle electrical test
27
$3,028
$108
2020: 7 services
Original Medicare services billed in 2020
Botox
17
$43,509
—None
New patient visit (45+ min)
171
$25,217
$147
Return visit (30+ min)
116
$14,276
$94
Short return visit (20+ min)
120
$10,922
$64
Long return visit (40+ min)
45
$6,823
$131
Nerve test
12
$2,757
$230
Muscle electrical test
20
$2,342
$98
2019: 7 services
Original Medicare services billed in 2019
Botox
17
$31,708
—None
New patient visit (45+ min)
199
$28,557
$144
Return visit (30+ min)
129
$17,149
$93
Short return visit (20+ min)
111
$9,649
$59
Long return visit (40+ min)
47
$6,336
$129
Nerve test
14
$3,670
$262
Muscle electrical test
23
$2,510
$93
2018: 9 services
Original Medicare services billed in 2018
New patient visit (45+ min)
203
$28,095
$138
Botox
13
$25,562
—None
Return visit (30+ min)
139
$18,287
$90
Long return visit (40+ min)
69
$9,135
$117
Short return visit (20+ min)
112
$8,812
$61
Nerve test
12
$3,102
$259
New patient visit (60+ min)
13
$2,488
$191
Muscle electrical test
17
$1,650
$92
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes
11
$1,373
$65
2017: 10 services
Original Medicare services billed in 2017
Botox
12
$26,482
—None
New patient visit (45+ min)
173
$23,400
$135
Return visit (30+ min)
125
$16,244
$87
Long return visit (40+ min)
85
$13,238
$127
Short return visit (20+ min)
73
$5,291
$58
New patient visit (60+ min)
18
$3,424
$190
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes
19
$2,524
$93
Initial hospital care with moderate level of medical decision making at least 75 minutes
13
$2,357
$181
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes
17
$1,814
$65
Muscle electrical test
12
$1,540
$91
2016: 11 services
Original Medicare services billed in 2016
Botox
14
$29,279
—None
New patient visit (45+ min)
146
$21,100
$145
Return visit (30+ min)
120
$14,493
$91
Long return visit (40+ min)
93
$13,763
$125
Short return visit (20+ min)
88
$7,529
$62
Nerve test
14
$3,046
$218
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes
24
$2,912
$121
Muscle electrical test
18
$2,527
$90
Initial hospital care with moderate level of medical decision making at least 75 minutes
14
$2,524
$180
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes
16
$2,358
$91
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes
19
$1,662
$59
2015: 11 services
Original Medicare services billed in 2015
New patient visit (45+ min)
165
$25,136
$152
Short return visit (20+ min)
134
$12,761
$64
Return visit (30+ min)
116
$12,579
$91
Long return visit (40+ min)
82
$11,336
$133
Nerve test
18
$4,168
$232
Initial hospital care with moderate level of medical decision making at least 75 minutes
21
$3,924
$178
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes
20
$2,535
$97
Muscle electrical test
23
$2,444
$94
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes
26
$2,308
$68
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes
17
$2,306
$128
Nerve test
15
$2,159
$144
2014: 10 services
Original Medicare services billed in 2014
New patient visit (45+ min)
145
$21,248
$147
Return visit (30+ min)
101
$11,636
$87
Short return visit (20+ min)
94
$9,274
$60
Long return visit (40+ min)
68
$9,198
$121
Initial hospital care with moderate level of medical decision making at least 75 minutes
13
$2,518
$180
Muscle electrical test
25
$2,420
$90
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes
17
$1,941
$92
Nerve test
13
$1,765
$136
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes
12
$1,345
$112
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes
15
$1,153
$64
2013: 10 services
Original Medicare services billed in 2013
New patient visit (45+ min)
139
$19,327
$139
Return visit (30+ min)
124
$13,339
$84
Short return visit (20+ min)
98
$8,644
$60
Nerve test
23
$6,428
$279
Long return visit (40+ min)
42
$5,321
$109
Initial hospital care with moderate level of medical decision making at least 75 minutes
22
$3,859
$175
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes
19
$2,433
$90
Muscle electrical test
16
$1,759
$84
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes
18
$1,500
$62
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes
12
$1,422
$119
Drugs they prescribed that Part D paid
$205,855
Pharmacies billed $205,855 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 1% of their Part D prescriptions (37 of 3,048) in 2024. Above the middle of the specialty; the typical neurology clinician is at 0%.
2,936 generic and 96 brand-name prescriptions · $205,855 in drug cost · 116 antipsychotic prescriptions to people over 65.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
Largest Part D drug costs
Emgality
Migraine
33
$27,675
$839
Carbidopa-Levodopa
—None
385
$13,107
$34
Memantine
—None
185
$12,079
$65
Aimovig
Migraine
17
$12,075
$710
Rasagiline Mesylate
—None
44
$7,181
$163
See all 45 drugs
Every Part D drug this clinician prescribed
Emgality
Migraine
33
$27,675
$839
Carbidopa-Levodopa
—None
385
$13,107
$34
Memantine
—None
185
$12,079
$65
Aimovig
Migraine
17
$12,075
$710
Rasagiline Mesylate
—None
44
$7,181
$163
Carbidopa-Levodopa Er
—None
218
$7,107
$33
Lacosamide
—None
23
$6,162
$268
Donepezil
—None
438
$5,939
$14
Carbamazepine Er
—None
18
$5,151
$286
Levetiracetam
—None
87
$4,367
$50
Entacapone
—None
17
$4,143
$244
Gabapentin
—None
171
$3,943
$23
Mycophenolate Mofetil
—None
24
$3,784
$158
Sumatriptan
—None
55
$2,956
$54
Rizatriptan
—None
108
$2,135
$20
Nortriptyline
—None
86
$1,928
$22
Topiramate
—None
97
$1,797
$19
Quetiapine
—None
93
$1,414
$15
Carbamazepine
—None
27
$1,273
$47
Galantamine Hbr
—None
15
$1,272
$85
Divalproex
—None
18
$1,059
$59
Phenobarbital
—None
16
$1,014
$63
Bupropion Xl
—None
35
$1,004
$29
Rivastigmine
—None
11
$887
$81
Zonisamide
—None
39
$695
$18
Prednisone
—None
57
$645
$11
Sertraline
—None
88
$605
$7
Lamotrigine
—None
39
$577
$15
Ropinirole
—None
24
$557
$23
Risperidone
—None
37
$554
$15
Butalbital-Acetaminophen-Caffe
—None
30
$508
$17
Fludrocortisone Acetate
—None
12
$465
$39
Clonazepam
—None
44
$398
$9
Atropine Sulfate
—None
11
$386
$35
Pregabalin
—None
12
$374
$31
Metoprolol
—None
21
$231
$11
Venlafaxine Hcl Er
—None
11
$204
$19
Clopidogrel
—None
17
$178
$10
Lorazepam
—None
42
$159
$4
Duloxetine
—None
12
$154
$13
Escitalopram
—None
15
$142
$9
Promethazine
—None
13
$79
$6
Mirtazapine
—None
15
$63
$4
Oxycodone-Acetaminophen
—None
12
$51
$4
Tramadol
—None
14
$31
$2
Year by year
Part D prescribing by year
2024
3,048
483
1% (37)
3%
$205,855
2023
2,741
440
2% (41)
—None
$217,269
2022
2,548
448
2% (51)
—None
$634,015
2021
2,838
473
2% (67)
3%
$345,807
2020
2,811
440
2% (57)
4%
$270,075
2019
2,684
436
3% (73)
—None
$254,786
2018
2,626
436
1% (35)
—None
$248,787
2017
2,697
436
1% (32)
—None
$286,374
2016
2,811
410
1% (27)
5%
$254,637
2015
2,656
393
3% (68)
10%
$221,564
2014
2,597
360
2% (52)
15%
$369,981
2013
2,688
329
2% (59)
—None
$331,753
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 43 drugs
Part D drugs prescribed in 2023
Carbidopa-Levodopa
—None
444
$25,630
$58
Emgality
Migraine
21
$21,186
$1,009
Carbidopa-Levodopa Er
—None
191
$15,605
$82
Memantine
—None
158
$12,424
$79
Rasagiline Mesylate
—None
27
$10,838
$401
Ajovy
—None
12
$9,071
$756
Donepezil
—None
416
$7,252
$17
Carbamazepine Er
—None
17
$5,587
$329
Entacapone
—None
14
$5,256
$375
Gabapentin
—None
150
$4,222
$28
Levetiracetam
—None
57
$3,978
$70
Mycophenolate Mofetil
—None
19
$3,028
$159
Rizatriptan
—None
90
$2,656
$30
Divalproex
—None
17
$2,470
$145
Topiramate
—None
93
$2,188
$24
Nortriptyline
—None
84
$2,095
$25
Bupropion Xl
—None
43
$1,868
$43
Sumatriptan
—None
57
$1,834
$32
Carbamazepine
—None
28
$1,812
$65
Lamotrigine
—None
33
$1,749
$53
Quetiapine
—None
64
$1,740
$27
Zonisamide
—None
50
$1,521
$30
Rivastigmine
—None
12
$1,133
$94
Pregabalin
—None
16
$832
$52
Pyridostigmine
—None
11
$807
$73
Azathioprine
—None
12
$768
$64
Lacosamide
—None
11
$717
$65
Risperidone
—None
54
$715
$13
Sertraline
—None
70
$654
$9
Prednisone
—None
32
$463
$14
Metoprolol
—None
27
$432
$16
Ropinirole
—None
24
$410
$17
Lorazepam
—None
35
$339
$10
Clopidogrel
—None
16
$196
$12
Olanzapine
—None
11
$158
$14
Trazodone
—None
15
$156
$10
Clonazepam
—None
21
$152
$7
Oxycodone-Acetaminophen
—None
11
$136
$12
Hydrocodone-Acetaminophen
—None
12
$131
$11
Escitalopram
—None
15
$129
$9
Mirtazapine
—None
15
$61
$4
Atenolol
—None
11
$41
$4
Tramadol
—None
11
$13
$1
2022: 45 drugs
Part D drugs prescribed in 2022
Glatiramer Acetate
11
$29,568
$2,688
Carbidopa-Levodopa
328
$19,371
$59
Carbidopa-Levodopa Er
179
$13,464
$75
Rasagiline Mesylate
24
$11,820
$492
Memantine
132
$11,318
$86
Nurtec Odt
11
$10,778
$980
Entacapone
20
$9,360
$468
Carbidopa-Levodopa-Entacapone
13
$7,568
$582
Donepezil
349
$5,788
$17
Carbamazepine Er
13
$4,382
$337
Quetiapine
57
$3,473
$61
Divalproex
18
$3,462
$192
Gabapentin
152
$3,377
$22
Rivastigmine
18
$3,349
$186
Topiramate
93
$3,319
$36
Levetiracetam
54
$3,239
$60
Rizatriptan
96
$3,076
$32
Sumatriptan
65
$2,944
$45
Nortriptyline
92
$2,807
$31
Carbamazepine
35
$2,432
$69
Mycophenolate Mofetil
13
$2,302
$177
Bupropion Xl
53
$2,181
$41
Duloxetine
13
$1,161
$89
Primidone
15
$1,019
$68
Azathioprine
11
$924
$84
Zonisamide
36
$879
$24
Lamotrigine
22
$860
$39
Bupropion Hcl Sr
14
$686
$49
Sertraline
48
$499
$10
Prednisone
34
$435
$13
Amitriptyline
14
$432
$31
Risperidone
28
$425
$15
Escitalopram
26
$403
$16
Metoprolol
19
$364
$19
Pregabalin
11
$331
$30
Clopidogrel
20
$309
$15
Butalbital-Acetaminophen-Caffe
21
$257
$12
Lorazepam
38
$238
$6
Oxycodone-Acetaminophen
12
$230
$19
Olanzapine
19
$208
$11
Hydrocodone-Acetaminophen
15
$139
$9
Propranolol
11
$121
$11
Mirtazapine
13
$96
$7
Clonazepam
19
$96
$5
Tramadol
15
$56
$4
2021: 43 drugs
Part D drugs prescribed in 2021
Carbidopa-Levodopa
—None
313
$27,142
$87
Rasagiline Mesylate
—None
31
$16,930
$546
Carbidopa-Levodopa Er
—None
168
$14,614
$87
Aimovig
Migraine
17
$13,422
$790
Entacapone
—None
29
$11,072
$382
Memantine
—None
125
$10,592
$85
Ajovy
—None
14
$9,238
$660
Carbidopa-Levodopa-Entacapone
—None
21
$9,029
$430
Donepezil
—None
396
$5,627
$14
Carbamazepine Er
—None
18
$4,815
$267
Gabapentin
—None
197
$4,805
$24
Bupropion Xl
—None
79
$4,584
$58
Levetiracetam
—None
66
$4,116
$62
Sumatriptan
—None
56
$4,002
$71
Topiramate
—None
76
$3,720
$49
Rizatriptan
—None
100
$3,472
$35
Rivastigmine
—None
18
$3,255
$181
Nortriptyline
—None
113
$3,249
$29
Quetiapine
—None
84
$2,922
$35
Carbamazepine
—None
45
$2,704
$60
Mycophenolate Mofetil
—None
12
$2,653
$221
Galantamine Hbr
—None
19
$2,567
$135
Zonisamide
—None
44
$2,044
$46
Pregabalin
—None
17
$1,510
$89
Lamotrigine
—None
27
$1,220
$45
Duloxetine
—None
16
$936
$58
Amantadine
—None
18
$908
$50
Bupropion Hcl Sr
—None
17
$852
$50
Pramipexole Dihydrochloride
—None
15
$717
$48
Escitalopram
—None
40
$704
$18
Sertraline
—None
54
$663
$12
Phenobarbital
—None
17
$568
$33
Amitriptyline
—None
23
$514
$22
Metoprolol
—None
17
$493
$29
Clonazepam
—None
54
$453
$8
Prednisone
—None
26
$369
$14
Risperidone
—None
16
$278
$17
Hydrocodone-Acetaminophen
—None
24
$273
$11
Clopidogrel
—None
29
$224
$8
Citalopram Hbr
—None
15
$213
$14
Lorazepam
—None
41
$184
$4
Oxycodone-Acetaminophen
—None
13
$159
$12
Tramadol
—None
23
$66
$3
2020: 48 drugs
Part D drugs prescribed in 2020
Rasagiline Mesylate
31
$29,841
$963
Carbidopa-Levodopa
294
$22,674
$77
Ajovy
22
$13,759
$625
Entacapone
23
$12,754
$555
Carbidopa-Levodopa Er
143
$12,522
$88
Memantine
150
$11,086
$74
Carbidopa-Levodopa-Entacapone
16
$10,647
$665
Sumatriptan
54
$8,217
$152
Carbamazepine Er
19
$6,730
$354
Donepezil
389
$6,275
$16
Rivastigmine
13
$5,958
$458
Eliquis
11
$5,066
$461
Nortriptyline
206
$4,657
$23
Gabapentin
210
$4,123
$20
Bupropion Xl
82
$3,480
$42
Rizatriptan
63
$2,715
$43
Rivastigmine
18
$2,705
$150
Quetiapine
82
$2,426
$30
Mycophenolate Mofetil
17
$2,397
$141
Levetiracetam
68
$2,259
$33
Galantamine Hbr
27
$1,943
$72
Escitalopram
47
$1,747
$37
Topiramate
76
$1,525
$20
Clonazepam
57
$1,464
$26
Carbamazepine
27
$1,388
$51
Zonisamide
38
$1,252
$33
Baclofen
25
$1,095
$44
Lamotrigine
18
$968
$54
Duloxetine
15
$815
$54
Pramipexole Dihydrochloride
14
$685
$49
Amitriptyline
28
$681
$24
Fludrocortisone Acetate
14
$673
$48
Lidocaine
11
$545
$50
Clopidogrel
24
$449
$19
Sertraline
40
$413
$10
Prednisone
28
$389
$14
Ropinirole
14
$382
$27
Phenobarbital
11
$358
$33
Risperidone
15
$269
$18
Butalbital-Aspirin-Caffeine
12
$255
$21
Citalopram Hbr
15
$214
$14
Naproxen
13
$213
$16
Oxycodone-Acetaminophen
12
$189
$16
Hydrocodone-Acetaminophen
16
$184
$11
Lorazepam
24
$153
$6
Cyclobenzaprine
11
$144
$13
Tramadol
20
$81
$4
Promethazine
13
$52
$4
2019: 46 drugs
Part D drugs prescribed in 2019
Rasagiline Mesylate
—None
29
$27,110
$935
Carbidopa-Levodopa
—None
269
$16,327
$61
Entacapone
—None
38
$14,708
$387
Aimovig
Migraine
18
$10,573
$587
Carbidopa-Levodopa-Entacapone
—None
13
$8,932
$687
Carbidopa-Levodopa Er
—None
125
$8,495
$68
Memantine
—None
139
$8,125
$58
Rivastigmine
—None
16
$7,906
$494
Ajovy
—None
13
$7,848
$604
Carbamazepine Er
—None
17
$6,093
$358
Donepezil
—None
374
$5,716
$15
Sumatriptan
—None
49
$5,705
$116
Lyrica
—None
11
$5,488
$499
Eliquis
—None
12
$5,227
$436
Gabapentin
—None
190
$4,366
$23
Nortriptyline
—None
203
$3,781
$19
Bupropion Xl
—None
53
$2,923
$55
Rivastigmine
—None
16
$2,088
$130
Rizatriptan
—None
52
$1,658
$32
Carbamazepine
—None
27
$1,623
$60
Quetiapine
—None
52
$1,583
$30
Levetiracetam
—None
77
$1,564
$20
Zonisamide
—None
46
$1,539
$33
Lidocaine
—None
21
$1,503
$72
Topiramate
—None
71
$1,457
$21
Galantamine Hbr
—None
16
$1,108
$69
Ropinirole
—None
14
$1,033
$74
Escitalopram
—None
47
$976
$21
Lamotrigine
—None
26
$925
$36
Divalproex
—None
19
$811
$43
Risperidone
—None
28
$773
$28
Clonazepam
—None
62
$680
$11
Bupropion Hcl Sr
—None
17
$611
$36
Fludrocortisone Acetate
—None
14
$600
$43
Clopidogrel
—None
26
$554
$21
Amitriptyline
—None
21
$479
$23
Sertraline
—None
47
$417
$9
Primidone
—None
12
$322
$27
Prednisone
—None
28
$287
$10
Lorazepam
—None
39
$244
$6
Hydrocodone-Acetaminophen
—None
17
$179
$11
Oxycodone-Acetaminophen
—None
11
$166
$15
Citalopram Hbr
—None
12
$159
$13
Tramadol
—None
32
$116
$4
Metoprolol
—None
11
$82
$7
Naproxen
—None
12
$66
$5
2018: 43 drugs
Part D drugs prescribed in 2018
Rasagiline Mesylate
28
$30,580
$1,092
Carbidopa-Levodopa
322
$19,028
$59
Entacapone
17
$10,056
$592
Memantine
144
$9,952
$69
Carbidopa-Levodopa Er
151
$9,648
$64
Carbidopa-Levodopa-Entacapone
14
$8,930
$638
Carbamazepine Er
20
$6,164
$308
Rivastigmine
12
$6,048
$504
Lyrica
13
$5,516
$424
Donepezil
365
$5,123
$14
Gabapentin
188
$4,101
$22
Bupropion Xl
59
$3,490
$59
Nortriptyline
170
$3,469
$20
Sumatriptan
24
$2,674
$111
Rivastigmine
27
$2,439
$90
Carbamazepine
33
$2,128
$64
Lidocaine
21
$1,733
$83
Quetiapine
56
$1,561
$28
Pramipexole Dihydrochloride
11
$1,531
$139
Rizatriptan
52
$1,487
$29
Topiramate
77
$1,280
$17
Levetiracetam
63
$1,058
$17
Atorvastatin
23
$979
$43
Risperidone
19
$917
$48
Ropinirole
13
$901
$69
Bupropion Hcl Sr
15
$849
$57
Duloxetine
17
$808
$48
Bupropion
12
$722
$60
Divalproex
23
$706
$31
Escitalopram
31
$611
$20
Lamotrigine
31
$589
$19
Zonisamide
27
$580
$21
Clonazepam
65
$556
$9
Amitriptyline
13
$550
$42
Primidone
19
$538
$28
Clopidogrel
24
$490
$20
Prednisone
35
$279
$8
Lorazepam
46
$264
$6
Citalopram Hbr
20
$215
$11
Sertraline
26
$193
$7
Butalbital-Aspirin-Caffeine
11
$192
$17
Metoprolol
16
$169
$11
Hydrocodone-Acetaminophen
15
$142
$9
2017: 43 drugs
Part D drugs prescribed in 2017
Rasagiline Mesylate
—None
22
$25,501
$1,159
Carbidopa-Levodopa
—None
408
$19,914
$49
Memantine
—None
163
$17,824
$109
Rytary
Parkinson's
11
$14,823
$1,348
Carbidopa-Levodopa-Entacapone
—None
23
$13,947
$606
Exelon
—None
15
$11,467
$764
Carbidopa-Levodopa Er
—None
190
$9,224
$49
Entacapone
—None
22
$8,704
$396
Donepezil
—None
410
$5,294
$13
Carbamazepine Er
—None
16
$4,803
$300
Sumatriptan
—None
31
$3,982
$128
Nortriptyline
—None
149
$3,388
$23
Gabapentin
—None
160
$2,665
$17
Carbamazepine
—None
33
$2,112
$64
Rivastigmine
—None
19
$1,897
$100
Bupropion Xl
—None
21
$1,839
$88
Duloxetine
—None
21
$1,773
$84
Pramipexole Dihydrochloride
—None
12
$1,699
$142
Levetiracetam
—None
59
$1,327
$22
Rizatriptan
—None
39
$1,327
$34
Lidocaine
—None
17
$1,260
$74
Topiramate
—None
82
$1,158
$14
Amitriptyline
—None
40
$1,062
$27
Ropinirole
—None
32
$1,053
$33
Quetiapine
—None
62
$930
$15
Galantamine Hbr
—None
22
$856
$39
Bupropion
—None
15
$787
$52
Clonazepam
—None
71
$718
$10
Zonisamide
—None
21
$504
$24
Divalproex
—None
15
$481
$32
Lamotrigine
—None
24
$480
$20
Baclofen
—None
14
$424
$30
Primidone
—None
13
$378
$29
Metoprolol
—None
15
$352
$23
Hydrocodone-Acetaminophen
—None
12
$343
$29
Risperidone
—None
28
$338
$12
Sertraline
—None
35
$328
$9
Clopidogrel
—None
22
$279
$13
Prednisone
—None
23
$217
$9
Citalopram Hbr
—None
17
$217
$13
Atorvastatin
—None
12
$212
$18
Bupropion Hcl Sr
—None
12
$173
$14
Lorazepam
—None
20
$79
$4
2016: 47 drugs
Part D drugs prescribed in 2016
Tecfidera
13
$82,202
$6,323
Azilect
12
$20,385
$1,699
Memantine
199
$15,940
$80
Carbidopa-Levodopa
383
$12,533
$33
Aggrenox
15
$10,715
$714
Carbidopa-Levodopa-Entacapone
16
$10,074
$630
Donepezil
368
$6,039
$16
Entacapone
11
$5,902
$537
Carbidopa-Levodopa Er
168
$5,387
$32
Rivastigmine
27
$3,882
$144
Lyrica
11
$3,863
$351
Sumatriptan
56
$3,453
$62
Nortriptyline
185
$3,002
$16
Gabapentin
127
$2,997
$24
Lidocaine
18
$2,779
$154
Carbamazepine Er
12
$2,735
$228
Duloxetine
19
$2,369
$125
Carbamazepine
42
$2,158
$51
Levetiracetam
79
$1,905
$24
Pramipexole Dihydrochloride
14
$1,809
$129
Topiramate
93
$1,554
$17
Rizatriptan
37
$1,231
$33
Ropinirole
27
$1,093
$40
Bupropion Xl
40
$904
$23
Amitriptyline
25
$783
$31
Quetiapine
48
$772
$16
Levetiracetam Er
14
$744
$53
Galantamine Hbr
16
$744
$46
Bupropion
25
$734
$29
Risperidone
56
$669
$12
Primidone
33
$557
$17
Clonazepam
68
$544
$8
Clopidogrel
33
$510
$15
Phenobarbital
20
$460
$23
Atorvastatin
20
$457
$23
Metoprolol
19
$429
$23
Citalopram Hbr
43
$405
$9
Paroxetine
14
$363
$26
Baclofen
13
$357
$27
Divalproex
12
$324
$27
Prednisone
22
$284
$13
Zonisamide
16
$264
$17
Lamotrigine
12
$261
$22
Sertraline
42
$230
$5
Eszopiclone
11
$194
$18
Alprazolam
19
$87
$5
Lorazepam
14
$45
$3
2015: 43 drugs
Part D drugs prescribed in 2015
Namenda
96
$51,394
$535
Azilect
15
$21,851
$1,457
Carbidopa-Levodopa
324
$12,275
$38
Carbidopa-Levodopa Er
180
$8,665
$48
Aggrenox
14
$7,203
$515
Namenda Xr
15
$6,451
$430
Memantine
59
$5,560
$94
Donepezil
296
$4,719
$16
Lidocaine
26
$4,180
$161
Galantamine Hbr
32
$3,518
$110
Carbamazepine
44
$3,501
$80
Sumatriptan
67
$2,972
$44
Rivastigmine
30
$2,924
$97
Gabapentin
121
$2,570
$21
Duloxetine
12
$2,545
$212
Nortriptyline
153
$2,304
$15
Rizatriptan
43
$2,162
$50
Topiramate
99
$1,877
$19
Pramipexole Dihydrochloride
17
$1,649
$97
Bupropion Xl
31
$1,614
$52
Bupropion
32
$1,538
$48
Levetiracetam
65
$1,367
$21
Quetiapine
51
$1,133
$22
Hydrocodone-Acetaminophen
51
$1,029
$20
Clopidogrel
49
$1,004
$20
Risperidone
57
$876
$15
Pyridostigmine
12
$747
$62
Primidone
29
$746
$26
Fluoxetine
15
$738
$49
Citalopram Hbr
63
$563
$9
Ropinirole
19
$545
$29
Amitriptyline
36
$504
$14
Metoprolol
23
$397
$17
Clonazepam
57
$356
$6
Phenytoin
15
$338
$23
Phenobarbital
20
$338
$17
Atorvastatin
16
$321
$20
Paroxetine
24
$295
$12
Zonisamide
14
$226
$16
Prednisone
14
$209
$15
Sertraline
17
$124
$7
Lorazepam
21
$117
$6
Alprazolam
28
$113
$4
2014: 46 drugs
Part D drugs prescribed in 2014
Namenda
178
$93,583
$526
Avonex
11
$49,630
$4,512
Azilect
26
$31,621
$1,216
Carbidopa-Levodopa
321
$15,280
$48
Entacapone
22
$13,928
$633
Exelon
18
$11,277
$626
Namenda Xr
24
$10,021
$418
Aggrenox
20
$8,214
$411
Carbidopa-Levodopa Er
193
$7,128
$37
Donepezil
293
$5,704
$19
Quetiapine
67
$5,670
$85
Galantamine Hbr
28
$3,854
$138
Duloxetine
14
$3,557
$254
Levetiracetam
60
$3,262
$54
Nortriptyline
187
$2,657
$14
Gabapentin
92
$2,643
$29
Bupropion
42
$2,267
$54
Topiramate
94
$1,963
$21
Lidocaine
19
$1,828
$96
Clopidogrel
46
$1,722
$37
Carbamazepine
40
$1,560
$39
Ropinirole
19
$1,405
$74
Sumatriptan
49
$1,377
$28
Pyridostigmine
18
$1,048
$58
Citalopram Hbr
88
$867
$10
Bupropion Hcl Sr
12
$829
$69
Pramipexole Dihydrochloride
12
$599
$50
Fluoxetine
19
$569
$30
Hydrocodone-Acetaminophen
26
$488
$19
Risperidone
31
$434
$14
Zonisamide
15
$409
$27
Primidone
12
$395
$33
Bupropion Xl
14
$379
$27
Prednisone
25
$345
$14
Methadone
12
$219
$18
Atorvastatin
11
$211
$19
Paroxetine
18
$192
$11
Lorazepam
29
$186
$6
Sertraline
12
$163
$14
Clonazepam
17
$158
$9
Phenytoin
14
$137
$10
Carisoprodol
13
$136
$10
Temazepam
22
$128
$6
Amitriptyline
22
$116
$5
Naproxen
13
$116
$9
Alprazolam
20
$112
$6
2013: 47 drugs
Part D drugs prescribed in 2013
Namenda
189
$79,664
$422
Avonex
11
$44,844
$4,077
Azilect
37
$28,660
$775
Carbidopa-Levodopa
313
$15,645
$50
Exelon
22
$12,995
$591
Carbidopa-Levodopa Er
211
$9,329
$44
Entacapone
16
$7,819
$489
Donepezil
307
$7,586
$25
Cymbalta
23
$7,426
$323
Aggrenox
18
$6,214
$345
Rivastigmine
23
$4,578
$199
Galantamine Hbr
22
$4,426
$201
Levetiracetam
80
$3,885
$49
Tacrolimus
13
$3,884
$299
Gabapentin
123
$3,288
$27
Sumatriptan
62
$2,930
$47
Nortriptyline
165
$2,548
$15
Quetiapine
29
$1,906
$66
Clopidogrel
18
$1,710
$95
Bupropion
57
$1,701
$30
Lidocaine
19
$1,604
$84
Ropinirole
32
$1,545
$48
Topiramate
71
$1,467
$21
Amantadine
11
$1,250
$114
Carbamazepine Xr
18
$1,172
$65
Bupropion Hcl Sr
17
$1,149
$68
Dilantin
13
$1,134
$87
Risperidone
51
$1,020
$20
Zonisamide
24
$1,006
$42
Citalopram Hbr
65
$986
$15
Pyridostigmine
13
$683
$53
Primidone
18
$645
$36
Lorazepam
42
$558
$13
Fluoxetine
34
$404
$12
Sertraline
16
$383
$24
Carbamazepine
19
$380
$20
Phenytoin
13
$306
$24
Hydrocodone-Acetaminophen
21
$270
$13
Paroxetine
24
$260
$11
Clonazepam
29
$239
$8
Prednisone
22
$204
$9
Tramadol
18
$201
$11
Amitriptyline
30
$197
$7
Methadone
13
$190
$15
Temazepam
11
$148
$13
Alprazolam
25
$118
$5
Cyclobenzaprine
12
$96
$8
Money from drug and device companies
$16 in 2025
Industry payments by year
2025
1
1
—None
$16
2024
1
1
—None
$14
2019
3
3
—None
$65
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.