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Wilson Mak, NP

Nurse Practitioner · Santa Clara

NPI 1922427665

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
4
2 carriers
Office
1

Offices

1 location · Carbon Health Primary Care of California PC · 22 clinicians in this group

Looking this up.

Plans that list them

4 plans · 2 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Wilson Mak’s office at (408) 780-2542 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

4 of 4 plans

Plans whose provider directory lists this clinician
Blue Shield Inspire (HMO)Blue Shield of CaliforniaListedAug 26, 2026
Imperial Courage Plan (HMO)Imperial Health Plan of California, Inc.ListedSep 1, 2026
Imperial Dynamic Plan (HMO)Imperial Health Plan of California, Inc.ListedSep 1, 2026
Imperial Senior Value (HMO C-SNP)Imperial Health Plan of California, Inc.ListedSep 1, 2026

Original Medicare doctor bills

$2,959

Medicare paid this office $2,959 for 23 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Return visit (30+ min)14$1,312$66

Who their Medicare patients are

23 Original Medicare patients in 2024. Average age 72 · Health risk score 0.64. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.

Conditions among them: High blood pressure 74%.

The office billed $14,772, Medicare allowed $4,827 and paid $2,959; for 49 services of 10 kinds.

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
20242349720.64$14,772$2,959
20231732730.58$10,053$1,735
2021148252701.61$68,240$16,702
2020194445721.47$95,503$29,638
2019246693731.75$181,509$46,834
2018262770711.60$143,530$36,992
2017347654711.52$134,040$34,281
2016181344711.43$64,203$16,581

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

2021: 3 services

Original Medicare services billed in 2021
Return visit (30+ min)97$11,171$81
Short return visit (20+ min)43$2,134$45
Telephone medical discussion with physician, 5-10 minutes12$419$35

2020: 10 services

Original Medicare services billed in 2020
Return visit (30+ min)100$10,722$80
Short return visit (20+ min)82$5,259$53
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit16$1,925$120
Telephone medical discussion with physician, 11-20 minutes25$1,688$60
Pneumococcal vaccine, 23-valent14$1,679$120
Influenza vaccine split virus, preservative free24$1,456$61
Telephone medical discussion with physician, 21-30 minutes13$1,177$91
Administration of influenza virus vaccine27$556$21
Telephone medical discussion with physician, 5-10 minutes12$553$35
Administration of pneumococcal vaccine23$474$21

2019: 12 services

Original Medicare services billed in 2019
Return visit (30+ min)180$24,641$76
Short return visit (20+ min)78$5,139$52
Pneumococcal vaccine, 13-valent17$3,547$209
Long return visit (40+ min)20$3,324$111
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit24$2,848$119
New patient visit (45+ min)22$2,351$107
Influenza vaccine split virus, preservative free25$1,340$52
Pneumococcal vaccine, 23-valent12$1,337$111
Administration of influenza virus vaccine30$626$20
Administration of pneumococcal vaccine29$585$20
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report21$225$10
Automated urinalysis test17$46$2

2018: 11 services

Original Medicare services billed in 2018
Return visit (30+ min)107$12,532$78
Short return visit (20+ min)174$11,862$43
Pneumococcal vaccine, 13-valent20$3,984$199
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit16$1,881$118
Influenza vaccine split virus, preservative free31$1,367$44
Administration of influenza virus vaccine43$1,087$25
Administration of pneumococcal vaccine28$708$25
New patient visit (15+ min)13$236$18
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage12$223$19
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report19$188$10
Automated urinalysis test13$38$3

2017: 8 services

Original Medicare services billed in 2017
Short return visit (20+ min)201$12,421$49
Return visit (30+ min)122$10,732$73
New patient visit (30+ min)32$2,129$67
New patient visit (15+ min)29$1,452$50
Influenza vaccine split virus, preservative free28$1,235$44
Administration of influenza virus vaccine35$1,089$31
Administration of pneumococcal vaccine14$435$31
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report27$352$13

2016: 3 services

Original Medicare services billed in 2016
Short return visit (20+ min)114$6,676$53
Return visit (30+ min)57$5,256$81
New patient visit (30+ min)28$1,816$65

Medicaid work

$0 in 2018

Medicaid paid $0 for 12 billed services this clinician did in 2018, up to 12 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2018
Short return visit (20+ min)12$0
Medicaid work by year
201812112$0

Drugs they prescribed that Part D paid

$22,503

Pharmacies billed $22,503 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 0% of their Part D prescriptions (0 of 328) in 2024. At or below the middle of the specialty; the typical nurse practitioner clinician is at 0%.

303 generic and fewer than 11 brand-name prescriptions · $22,503 in drug cost.

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
Atenolol12$185$15
Levothyroxine16$182$11
Losartan21$136$6
Atorvastatin37$131$4
Amlodipine Besylate28$118$4
See all 7 drugs
Every Part D drug this clinician prescribed
Atenolol12$185$15
Levothyroxine16$182$11
Losartan21$136$6
Atorvastatin37$131$4
Amlodipine Besylate28$118$4
Rosuvastatin11$74$7
Lisinopril11$39$4

Year by year

Part D prescribing by year
2024328790% (0)None$22,503
202310031NoneNone$8,882
202219876NoneNone$20,674
20211,9082413% (62)10%$123,043
20202,4352874% (86)13%$169,498
20193,0483167% (224)14%$190,431
20182,4203519% (211)15%$162,424
20171,6212959% (142)14%$71,831
20168522647% (63)16%$45,809
20151,0481838% (87)None$40,465
201446610111% (51)None$24,420

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2022: 2 drugs

Part D drugs prescribed in 2022
Atorvastatin13$184$14
Amlodipine Besylate18$114$6

2021: 51 drugs

Part D drugs prescribed in 2021
Januvia15$12,923$862
Tradjenta15$8,407$560
Lantus Solostar14$6,253$447
Symbicort12$4,656$388
Atorvastatin140$2,431$17
Duloxetine25$1,419$57
Nano 2nd Gen Pen Needle12$1,064$89
Albuterol Sulfate Hfa23$1,057$46
Azelastine12$1,038$87
Gabapentin58$1,019$18
Amlodipine Besylate133$1,003$8
Metoprolol35$935$27
Hydrocodone-Acetaminophen44$934$21
Omeprazole35$926$26
Rosuvastatin17$871$51
Levothyroxine28$819$29
Amitriptyline21$726$35
Losartan46$704$15
Fluticasone Propionate31$655$21
Ibuprofen24$542$23
Metformin Hcl Er42$541$13
Lisinopril74$536$7
Famotidine26$531$20
Amlodipine Besylate-Benazepril17$518$30
Allopurinol29$488$17
Sumatriptan11$477$43
Tamsulosin34$400$12
Montelukast20$400$20
Carvedilol31$373$12
Lovastatin17$352$21
Oxycodone11$348$32
Olmesartan Medoxomil14$320$23
Hydrochlorothiazide56$320$6
Pantoprazole16$285$18
Finasteride13$284$22
Metformin38$260$7
Potassium Chloride13$256$20
Zolpidem16$245$15
Levetiracetam15$236$16
Atenolol28$230$8
Trazodone23$230$10
Sertraline33$229$7
Simvastatin24$226$9
Triamcinolone Acetonide16$220$14
Furosemide32$217$7
Hydroxyzine16$200$13
Metoprolol13$156$12
Clonidine19$128$7
Clonazepam19$119$6
Cyclobenzaprine13$66$5
Amoxicillin14$33$2

2020: 60 drugs

Part D drugs prescribed in 2020
Spiriva23$16,596$722
Januvia20$15,951$798
Symbicort23$11,999$522
Tradjenta15$7,760$517
Xarelto14$6,172$441
Lantus Solostar15$5,703$380
Atorvastatin140$2,339$17
Albuterol Sulfate Hfa39$1,783$46
Amlodipine Besylate138$1,308$9
Metoprolol45$1,212$27
Gabapentin58$1,196$21
Fluticasone Propionate43$1,186$28
Amitriptyline47$1,156$25
Hydrocodone-Acetaminophen52$1,013$19
Levothyroxine31$886$29
Losartan69$883$13
Ventolin Hfa13$756$58
Potassium Chloride32$751$23
Rosuvastatin12$748$62
Lisinopril85$645$8
Bupropion Xl14$639$46
Carvedilol46$575$12
Metformin48$572$12
Metformin Hcl Er42$523$12
Triamcinolone Acetonide29$511$18
Omeprazole39$502$13
Hydrochlorothiazide63$481$8
Amlodipine Besylate-Benazepril13$453$35
Allopurinol26$452$17
Trazodone39$440$11
Hydroxyzine23$367$16
Lovastatin25$362$14
Montelukast18$351$19
Risperidone26$347$13
Pantoprazole27$345$13
Oxycodone11$338$31
Tamsulosin18$333$18
Ibuprofen21$287$14
Loperamide17$274$16
Furosemide47$273$6
Enalapril Maleate11$263$24
Pravastatin19$258$14
Sertraline28$257$9
Cyclobenzaprine22$248$11
Escitalopram17$247$15
Atenolol31$229$7
Pioglitazone11$216$20
Famotidine11$208$19
Clonazepam20$207$10
Simvastatin24$200$8
Diphenoxylate-Atropine11$179$16
Metoprolol18$162$9
Meclizine12$120$10
Clonidine14$104$7
Sulfamethoxazole-Trimethoprim11$90$8
Lorazepam19$81$4
Fluoxetine13$73$6
Zolpidem22$72$3
Clopidogrel12$46$4
Amoxicillin12$27$2

2019: 71 drugs

Part D drugs prescribed in 2019
Januvia27$18,273$677
Xarelto20$11,586$579
Spiriva14$9,042$646
Symbicort14$6,152$439
Flovent Hfa17$6,093$358
Lantus Solostar14$3,388$242
Hydrocodone-Acetaminophen159$3,129$20
Atorvastatin135$2,793$21
Colchicine13$2,451$189
Gabapentin84$1,766$21
Potassium Chloride58$1,750$30
Ventolin Hfa30$1,749$58
Proair Hfa25$1,712$68
Levothyroxine59$1,704$29
Amlodipine Besylate173$1,474$9
Diclofenac11$1,377$125
Metoprolol41$1,304$32
Nifedipine Er19$1,078$57
Amitriptyline44$1,068$24
Fluticasone Propionate44$1,058$24
Lisinopril98$883$9
Losartan67$872$13
Omeprazole56$838$15
Rosuvastatin15$811$54
Carvedilol68$767$11
Venlafaxine Hcl Er11$708$64
Baclofen19$708$37
Chlorthalidone14$703$50
Mirtazapine17$627$37
Albuterol Sulfate Hfa14$622$44
Risperidone23$585$25
Allopurinol28$581$21
Hydroxyzine13$576$44
Atenolol50$560$11
Oxycodone-Acetaminophen14$553$39
Montelukast19$545$29
Pravastatin24$542$23
Metformin68$522$8
Hydrochlorothiazide85$521$6
Nitroglycerin27$452$17
Trazodone49$449$9
Famotidine30$434$14
Pantoprazole35$413$12
Irbesartan12$411$34
Escitalopram28$409$15
Furosemide57$398$7
Cyclobenzaprine25$386$15
Lovastatin22$361$16
Morphine Sulfate13$357$27
Fluoxetine18$291$16
Simvastatin36$281$8
Duloxetine15$248$17
Metformin Hcl Er22$244$11
Metoprolol28$227$8
Sertraline26$210$8
Ibuprofen20$191$10
Triamcinolone Acetonide15$189$13
Bupropion Hcl Sr12$188$16
Tramadol30$176$6
Naproxen16$171$11
Meclizine15$170$11
Tamsulosin14$169$12
Clonidine21$166$8
Levocetirizine Dihydrochloride17$151$9
Clonazepam13$145$11
Clopidogrel15$142$9
Lorazepam24$121$5
Alendronate12$97$8
Sulfamethoxazole-Trimethoprim14$93$7
Diazepam14$64$5
Zolpidem17$37$2

2018: 63 drugs

Part D drugs prescribed in 2018
Xarelto30$13,404$447
Flovent Hfa18$6,353$353
Lantus Solostar11$4,055$369
Hydrocodone-Acetaminophen155$3,728$24
Olanzapine13$2,276$175
Atorvastatin99$1,993$20
Ventolin Hfa29$1,871$65
Gabapentin57$1,754$31
Proair Hfa25$1,594$64
Diclofenac11$1,462$133
Potassium Chloride50$1,432$29
Levothyroxine33$1,066$32
Nifedipine Er20$992$50
Amlodipine Besylate134$983$7
Voltaren15$882$59
Fluticasone Propionate32$791$25
Lisinopril74$614$8
Metoprolol17$529$31
Risperidone14$525$37
Chlorthalidone11$520$47
Enalapril Maleate16$495$31
Baclofen15$477$32
Bumetanide13$455$35
Pravastatin17$445$26
Allopurinol18$370$21
Metformin56$365$7
Mirtazapine14$363$26
Hydralazine19$355$19
Cyclobenzaprine26$336$13
Amitriptyline23$332$14
Hydrochlorothiazide63$319$5
Trazodone30$306$10
Pantoprazole27$290$11
Hydroxyzine21$285$14
Carvedilol39$264$7
Omeprazole25$260$10
Famotidine25$258$10
Lovastatin18$253$14
Furosemide41$250$6
Metformin Hcl Er12$232$19
Fluoxetine14$231$17
Losartan29$228$8
Metoprolol38$216$6
Diazepam26$205$8
Triamcinolone Acetonide18$203$11
Levetiracetam13$184$14
Atenolol29$184$6
Clonazepam19$182$10
Sumatriptan11$180$16
Simvastatin26$172$7
Paroxetine13$168$13
Escitalopram21$168$8
Tramadol24$165$7
Sertraline23$144$6
Lorazepam34$141$4
Clopidogrel11$130$12
Zolpidem20$123$6
Azithromycin12$93$8
Glipizide12$80$7
Prednisone16$78$5
Alprazolam14$72$5
Temazepam11$66$6
Meloxicam13$46$4

2017: 46 drugs

Part D drugs prescribed in 2017
Qvar15$2,949$197
Ventolin Hfa34$1,809$53
Hydrocodone-Acetaminophen94$1,680$18
Clonidine12$1,479$123
Proair Hfa17$982$58
Azelastine14$948$68
Atorvastatin51$907$18
Potassium Chloride36$663$18
Bumetanide15$639$43
Fluticasone Propionate38$591$16
Olanzapine14$560$40
Gabapentin31$534$17
Enalapril Maleate12$491$41
Amitriptyline24$480$20
Amlodipine Besylate71$453$6
Metoprolol16$424$26
Levothyroxine17$406$24
Lisinopril47$354$8
Doxycycline Hyclate14$353$25
Pantoprazole35$314$9
Metformin39$299$8
Allopurinol15$277$18
Hydrochlorothiazide39$269$7
Omeprazole30$237$8
Fluoxetine15$233$16
Carvedilol31$204$7
Clopidogrel17$195$11
Cyclobenzaprine18$167$9
Alprazolam17$164$10
Furosemide31$156$5
Losartan18$148$8
Hydralazine15$146$10
Amoxicillin-Clavulanate Potass14$144$10
Triamcinolone Acetonide14$142$10
Lorazepam17$134$8
Tramadol21$120$6
Prednisone25$112$4
Hydroxyzine14$109$8
Glipizide16$103$6
Famotidine21$102$5
Diazepam15$93$6
Metoprolol19$89$5
Benazepril11$79$7
Trazodone20$63$3
Simvastatin22$61$3
Azithromycin12$54$4

2016: 22 drugs

Part D drugs prescribed in 2016
Proair Hfa23$1,731$75
Ventolin Hfa15$784$52
Hydrocodone-Acetaminophen38$689$18
Atorvastatin21$532$25
Levothyroxine14$348$25
Metoprolol14$315$23
Potassium Chloride17$290$17
Omeprazole19$276$15
Gabapentin30$225$8
Amlodipine Besylate32$212$7
Fluticasone Propionate21$195$9
Hydrochlorothiazide19$148$8
Triamterene-Hydrochlorothiazid12$136$11
Lisinopril17$128$8
Tramadol13$110$8
Pantoprazole13$108$8
Metformin21$87$4
Ibuprofen12$78$7
Sertraline12$65$5
Simvastatin11$59$5
Ciprofloxacin12$38$3
Furosemide12$34$3

2015: 30 drugs

Part D drugs prescribed in 2015
Lantus11$6,525$593
Proair Hfa27$1,435$53
Oxycodone19$1,072$56
Pravastatin22$1,036$47
Amitriptyline26$934$36
Hydrocodone-Acetaminophen33$748$23
Gabapentin44$703$16
Quetiapine20$561$28
Levetiracetam17$477$28
Atorvastatin26$461$18
Potassium Chloride18$460$26
Levothyroxine27$456$17
Cyclobenzaprine11$389$35
Olanzapine14$329$24
Pioglitazone11$279$25
Metformin41$227$6
Baclofen11$219$20
Clopidogrel21$205$10
Simvastatin31$165$5
Omeprazole24$163$7
Lisinopril33$163$5
Trazodone14$130$9
Hydrochlorothiazide18$123$7
Metoprolol25$117$5
Tramadol14$94$7
Clonazepam15$89$6
Famotidine19$83$4
Fluoxetine13$64$5
Atenolol16$46$3
Furosemide17$31$2

2014: 11 drugs

Part D drugs prescribed in 2014
Quetiapine12$2,913$243
Proair Hfa19$927$49
Oxycodone13$606$47
Pravastatin15$528$35
Hydrocodone-Acetaminophen20$347$17
Amitriptyline17$278$16
Gabapentin16$244$15
Metformin15$240$16
Omeprazole18$176$10
Lisinopril12$78$6
Hydrochlorothiazide16$64$4

Money from drug and device companies

$35 in 2025

Industry payments by year
202522None$35
202422None$32

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
MedtronicVenaseal$18
1 payment
  • Meals for Venaseal · 2025-06-20 · $18
Gilead SciencesNone$17
1 payment
  • Meals · 2025-10-09 · $17
See all 2 published payments
Every published payment
Gilead SciencesMeals · 2025-10-09None$17
MedtronicMeals · 2025-06-20Venaseal$18
See earlier years (2024)

2024: $32

Payments by company in 2024
Hologic Sales and ServiceAptima$19
1 payment
  • Meals for Aptima · 2024-01-25 · $19
Gilead SciencesNone$13
1 payment
  • Meals · 2024-04-08 · $13

Professional record

NPI
1922427665
Licence
CA 812700, CA 95000312
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 363LF0000X (363LF0000X); Federal specialty code 163W00000X (163W00000X)
Mailing address
737 W Childs Ave, Credentialing Department, Merced, CA, 95341
NPI first listed
2014-04-09
NPI last updated
2014-04-09

This is when the NPI record was last certified, not a medical board exam.