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Nancy Evelyn Chen, MD

Internal Medicine · San Jose

NPI 1306103742

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Chen’s office at (408) 889-1216 to ask if they take your plan before you enroll.

California Medical Board record

Licence A128848 · Current

Licensed to practise in California · since 2014 · expires 2027-10-31 · University of Southern California Keck School of Medicine.

Matched on the licence number without its letter prefix; check the name before relying on it.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Drugs they prescribed that Part D paid

$191,376

Pharmacies billed $191,376 in 2024.

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

2,390 generic and fewer than 11 brand-name prescriptions · $191,376 in drug cost · 30 antibiotic prescriptions to 18 people · 41 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
Eliquis105$33,097$315
Jardiance35$21,102$603
Atorvastatin236$9,058$38
Xarelto16$8,849$553
Januvia13$6,942$534
See all 59 drugs
Every Part D drug this clinician prescribed
Eliquis105$33,097$315
Jardiance35$21,102$603
Atorvastatin236$9,058$38
Xarelto16$8,849$553
Januvia13$6,942$534
Abrysvo18$5,751$320
Tamsulosin100$4,420$44
Quetiapine29$3,653$126
Pantoprazole52$2,917$56
Pregabalin15$2,232$149
Amlodipine Besylate84$1,731$21
Losartan89$1,612$18
Clopidogrel24$1,495$62
Rosuvastatin18$1,429$79
Metformin65$1,355$21
Lantus Solostar14$1,332$95
Duloxetine37$1,322$36
Divalproex11$1,306$119
Gabapentin123$1,232$10
Ketoconazole13$1,025$79
Metoprolol72$989$14
Finasteride30$978$33
Lisinopril73$974$13
Famotidine47$966$21
Acyclovir15$892$59
Midodrine12$873$73
Furosemide117$791$7
Carvedilol91$789$9
Latanoprost19$693$36
Donepezil13$668$51
Trazodone41$659$16
Omeprazole14$607$43
Fluticasone Propionate16$563$35
Lactulose22$561$26
Digoxin20$545$27
Mirtazapine40$510$13
Sertraline16$491$31
Olanzapine12$484$40
Bupropion Hcl Sr13$457$35
Benazepril26$443$17
Simvastatin47$430$9
Levothyroxine31$390$13
Chlorhexidine Gluconate24$375$16
Alendronate11$368$33
Metoprolol50$363$7
Diltiazem 24hr Er (Xr)11$362$33
Insulin Glargine-Yfgn13$357$27
Hydrochlorothiazide40$347$9
Metformin Hcl Er18$345$19
Glipizide39$317$8
Montelukast11$294$27
Propranolol28$253$9
Brimonidine11$235$21
Spironolactone20$225$11
Klor-Con 1022$216$10
Isosorbide Mononitrate Er45$213$5
Hydralazine13$182$14
Potassium Chloride20$164$8
Meclizine15$102$7

Year by year

Part D prescribing by year
20242,764114NoneNone$191,376
20232,7261314% (109)None$125,036
20221,5912064% (67)None$88,374
20211,3612465% (65)15%$71,333
20208461856% (49)None$31,200
20191,0662025% (54)12%$46,704
20181,9572896% (111)10%$72,604
20171,9523179% (174)None$46,199
20162,0733486% (115)12%$71,384
201537897NoneNone$35,713
20149714NoneNone$20,593

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

See the drugs prescribed each year

2023: 58 drugs

Part D drugs prescribed in 2023
Eliquis87$28,478$327
Entresto25$9,245$370
Xarelto15$4,241$283
Duloxetine58$3,573$62
Pantoprazole32$2,977$93
Lantus Solostar15$2,939$196
Tamsulosin151$2,287$15
Divalproex22$1,640$75
Atorvastatin157$1,486$9
Amantadine19$1,390$73
Baclofen43$1,384$32
Insulin Lispro29$1,357$47
Gabapentin139$1,002$7
Hydrocodone-Acetaminophen71$942$13
Metoprolol74$841$11
Carbidopa-Levodopa15$754$50
Valsartan47$737$16
Olanzapine29$729$25
Midodrine19$651$34
Ondansetron12$633$53
Levothyroxine77$606$8
Furosemide129$593$5
Digoxin12$555$46
Potassium Chloride50$551$11
Carvedilol82$538$7
Fenofibrate16$530$33
Escitalopram74$497$7
Propranolol43$480$11
Fenofibrate13$425$33
Amlodipine Besylate91$395$4
Metoprolol81$395$5
Labetalol36$377$10
Finasteride30$334$11
Isosorbide Mononitrate Er18$327$18
Levetiracetam14$322$23
Mirtazapine24$314$13
Famotidine45$312$7
Donepezil18$311$17
Spironolactone23$286$12
Metformin43$263$6
Tizanidine14$254$18
Simvastatin61$254$4
Lactulose12$228$19
Lisinopril49$215$4
Glipizide36$213$6
Amiodarone14$191$14
Morphine Sulfate Er11$171$16
Chlorhexidine Gluconate19$166$9
Hydralazine15$160$11
Losartan31$160$5
Meclizine14$134$10
Morphine Sulfate14$121$9
Quetiapine12$117$10
Paroxetine13$98$8
Trazodone15$97$6
Glimepiride14$77$5
Omeprazole11$65$6
Cephalexin12$63$5

2022: 34 drugs

Part D drugs prescribed in 2022
Eliquis83$32,160$387
Tamsulosin119$3,155$27
Duloxetine24$1,611$67
Midodrine13$1,341$103
Calcium Acetate25$893$36
Atorvastatin94$797$8
Albuterol Sulfate Hfa24$743$31
Cefuroxime19$703$37
Ceftriaxone14$688$49
Spironolactone27$597$22
Digoxin13$583$45
Furosemide139$561$4
Pantoprazole61$478$8
Amiodarone38$432$11
Metoprolol31$404$13
Quetiapine31$346$11
Potassium Chloride15$333$22
Metoprolol50$291$6
Hydrocodone-Acetaminophen36$284$8
Escitalopram41$229$6
Losartan33$220$7
Carvedilol22$184$8
Metformin32$181$6
Gabapentin25$168$7
Mirtazapine22$165$8
Clopidogrel12$152$13
Sucralfate11$149$14
Simvastatin24$145$6
Amlodipine Besylate31$134$4
Famotidine18$131$7
Levothyroxine14$119$8
Tramadol17$70$4
Glipizide11$66$6
Prednisone11$61$6

2021: 32 drugs

Part D drugs prescribed in 2021
Eliquis75$31,160$415
Bumetanide19$892$47
Albuterol Sulfate Hfa30$824$27
Hydralazine37$610$16
Tamsulosin48$565$12
Atorvastatin66$513$8
Furosemide76$370$5
Levothyroxine40$362$9
Pantoprazole54$362$7
Digoxin12$350$29
Potassium Chloride17$343$20
Cefuroxime11$335$30
Hydrocodone-Acetaminophen28$284$10
Gabapentin31$272$9
Levofloxacin16$267$17
Metoprolol59$252$4
Montelukast11$236$21
Carvedilol31$210$7
Losartan28$204$7
Spironolactone16$197$12
Mirtazapine14$154$11
Quetiapine21$137$7
Amlodipine Besylate42$124$3
Metformin27$111$4
Simvastatin24$105$4
Omeprazole15$98$7
Allopurinol11$97$9
Famotidine12$95$8
Tramadol21$89$4
Clopidogrel16$73$5
Lisinopril19$72$4
Prednisone22$72$3

2020: 27 drugs

Part D drugs prescribed in 2020
Eliquis16$7,002$438
Atorvastatin60$702$12
Diltiazem 24hr Er (Cd)17$560$33
Gabapentin24$441$18
Albuterol Sulfate Hfa11$432$39
Dilt-Xr12$402$34
Oxybutynin Chloride15$366$24
Mirtazapine19$317$17
Donepezil15$294$20
Hydrocodone-Acetaminophen28$252$9
Tamsulosin20$219$11
Furosemide44$206$5
Hydralazine16$202$13
Finasteride17$177$10
Potassium Chloride19$176$9
Metoprolol35$155$4
Clopidogrel18$135$7
Pantoprazole20$131$7
Ciprofloxacin16$104$7
Losartan13$103$8
Amlodipine Besylate21$90$4
Levofloxacin16$89$6
Isosorbide Mononitrate Er12$86$7
Carvedilol22$73$3
Lisinopril22$69$3
Tramadol17$63$4
Clonidine12$36$3

2019: 32 drugs

Part D drugs prescribed in 2019
Eliquis28$12,244$437
Gabapentin38$1,260$33
Azelastine15$1,091$73
Atorvastatin65$1,039$16
Finasteride26$672$26
Tamsulosin22$639$29
Clopidogrel27$514$19
Amlodipine Besylate57$482$8
Dilt-Xr12$458$38
Potassium Chloride27$446$17
Diltiazem 24hr Er (Cd)18$431$24
Oxybutynin Chloride12$404$34
Metoprolol14$391$28
Furosemide54$379$7
Ondansetron14$374$27
Losartan38$345$9
Metoprolol35$337$10
Isosorbide Mononitrate Er19$335$18
Donepezil22$334$15
Baclofen13$315$24
Hydrocodone-Acetaminophen25$288$12
Levetiracetam11$254$23
Levofloxacin21$232$11
Lovastatin13$217$17
Carvedilol22$201$9
Famotidine17$162$10
Pantoprazole17$153$9
Tramadol20$130$6
Ciprofloxacin13$124$10
Lisinopril12$86$7
Metformin17$76$4
Prednisone21$57$3

2018: 45 drugs

Part D drugs prescribed in 2018
Xarelto33$10,202$309
Brilinta19$6,240$328
Eliquis12$4,985$415
Atorvastatin167$2,446$15
Humulin R16$2,259$141
Gabapentin45$1,474$33
Azelastine14$1,086$78
Proair Hfa18$1,072$60
Amiodarone12$1,056$88
Finasteride43$970$23
Clopidogrel57$912$16
Carvedilol92$874$10
Hydrocodone-Acetaminophen54$870$16
Ketorolac Tromethamine15$857$57
Donepezil54$739$14
Tamsulosin29$704$24
Furosemide83$686$8
Metoprolol69$626$9
Amlodipine Besylate68$611$9
Ondansetron17$608$36
Lactulose20$594$30
Diltiazem 24hr Er (Cd)29$565$19
Losartan60$539$9
Oxybutynin Chloride15$530$35
Tramadol51$459$9
Metoprolol23$457$20
Famotidine47$422$9
Pantoprazole36$413$11
Dilt-Xr12$392$33
Omeprazole12$375$31
Lovastatin25$345$14
Hydralazine24$343$14
Ciprofloxacin41$339$8
Potassium Chloride19$336$18
Lisinopril46$332$7
Isosorbide Mononitrate Er24$332$14
Levetiracetam11$323$29
Baclofen12$322$27
Levothyroxine21$315$15
Levofloxacin40$247$6
Simvastatin14$201$14
Metronidazole14$176$13
Metformin20$122$6
Prednisone27$110$4
Alendronate11$96$9

2017: 52 drugs

Part D drugs prescribed in 2017
Xarelto33$7,326$222
Novolin N15$2,263$151
Novolin R14$2,163$154
Crestor16$1,959$122
Atorvastatin132$1,207$9
Lantus Solostar11$945$86
Hydrocodone-Acetaminophen107$899$8
Ondansetron37$654$18
Amiodarone23$643$28
Pantoprazole64$580$9
Furosemide109$572$5
Levothyroxine32$505$16
Mirtazapine11$505$46
Tamsulosin48$490$10
Diltiazem Er24$479$20
Temazepam20$472$24
Oxybutynin Chloride14$467$33
Nitroglycerin11$428$39
Levetiracetam28$423$15
Desmopressin Acetate13$393$30
Gabapentin48$388$8
Carvedilol68$362$5
Amlodipine Besylate72$325$5
Digox14$325$23
Donepezil39$286$7
Metoprolol54$284$5
Diltiazem 24hr Er20$283$14
Finasteride35$280$8
Losartan42$280$7
Metronidazole14$276$20
Tramadol58$248$4
Potassium Chloride17$232$14
Omeprazole30$219$7
Clopidogrel32$196$6
Levofloxacin49$191$4
Lisinopril42$189$4
Ciprofloxacin36$181$5
Spironolactone11$176$16
Quetiapine13$162$12
Pioglitazone11$139$13
Metoprolol16$138$9
Metformin22$126$6
Lovastatin18$124$7
Glimepiride13$118$9
Simvastatin23$116$5
Famotidine16$109$7
Paroxetine14$106$8
Hydralazine13$101$8
Prednisone22$92$4
Warfarin17$84$5
Clonidine13$52$4
Sulfamethoxazole-Trimethoprim14$48$3

2016: 44 drugs

Part D drugs prescribed in 2016
Novolin N14$1,973$141
Atorvastatin161$1,646$10
Enoxaparin16$1,459$91
Labetalol24$1,073$45
Proair Hfa17$956$56
Carvedilol100$791$8
Nitrostat15$699$47
Furosemide123$660$5
Hydrocodone-Acetaminophen61$647$11
Metoprolol76$625$8
Pantoprazole61$573$9
Mirtazapine42$563$13
Omeprazole67$533$8
Hydralazine34$492$14
Levetiracetam22$442$20
Lisinopril72$394$5
Clopidogrel45$384$9
Ondansetron23$358$16
Levothyroxine23$351$15
Amlodipine Besylate89$350$4
Spironolactone24$338$14
Propranolol15$302$20
Sulfamethoxazole-Trimethoprim24$293$12
Tamsulosin25$273$11
Gabapentin36$239$7
Potassium Chloride14$238$17
Metronidazole15$237$16
Ciprofloxacin43$235$5
Losartan32$223$7
Amiodarone11$223$20
Quetiapine13$221$17
Finasteride18$203$11
Levofloxacin33$183$6
Prednisone25$182$7
Azithromycin18$177$10
Tramadol39$176$5
Donepezil16$171$11
Simvastatin30$169$6
Glimepiride17$165$10
Metformin32$155$5
Warfarin31$154$5
Benazepril15$94$6
Cephalexin14$52$4
Glipizide11$50$5

2015: 9 drugs

Part D drugs prescribed in 2015
Novolin N11$1,532$139
Levothyroxine22$345$16
Atorvastatin22$291$13
Carvedilol12$152$13
Metoprolol12$127$11
Metformin22$112$5
Prednisone11$93$8
Omeprazole15$77$5
Amlodipine Besylate14$57$4

Money from drug and device companies

$26 in 2022

Industry payments by year
202211None$26
201923None$42

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
Bayer HealthCare PharmaceuticalsNubeqa$26
1 payment
  • Meals for Nubeqa · 2022-11-18 · $26
See the published payment
Every published payment
Bayer HealthCare PharmaceuticalsMeals · 2022-11-18Nubeqa$26
See earlier years (2019)

2019: $42

Payments by company in 2019
Boehringer Ingelheim PharmaceuticalsSpiriva Respimat$29
2 payments
  • Meals for Jardiance · 2019-06-25 · $14
  • Meals for Spiriva Respimat · 2019-02-26 · $15
PfizerEliquis$12
1 payment
  • Meals for Eliquis · 2019-03-19 · $12

Professional record

NPI
1306103742
Licence
CA 128848California A128848: Current · expires 2027-10-31
More record details
Sole proprietor
Yes
Taxonomy
Internal medicine (207R00000X)
Mailing address
1799 Hamilton Ave, San Jose, CA, 95125
NPI first listed
2012-04-23
NPI last updated
2026-07-27
NPI record certified
2026-07-27

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