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Bien D. Nguyen, MD

Internal Medicine · San Jose

NPI 1013093525

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. Nguyen’s office at (408) 972-7000 to ask if they take your plan before you enroll.

California Medical Board record

Licence G62002 · Current

Licensed to practise in California · since 1987 · expires 2029-01-31 · University of California, Davis School of Medicine.

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

School, training and certification

What this clinician told their state board, medical school and everything before it. Only some states publish this, so nothing here means the state does not say, not that there was no training or certification.

Specialty certification

  • American Board of Internal Medicine - Internal Medicine

Drugs they prescribed that Part D paid

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

Opioids were 0% of their 31 Part D prescriptions in 2023. Too few prescriptions to judge: with under about 50 a year, a handful of patients can swing this share.

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

Year by year

Part D prescribing by year
202331180% (0)81%$1,610
202239390% (0)100%$1,989
202113120% (0)85%$572
2020139880% (0)None$7,390
20192,6806271% (34)11%$111,232
20188,0222,1155% (377)19%$376,677
20177,1611,3806% (395)22%$356,351
20167,2121,3505% (364)23%$332,098
20156,4801,0925% (348)24%$315,513
20146,1669797% (422)23%$269,779
20135,8589036% (345)20%$277,774

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

See the drugs prescribed each year

2023: 1 drug

Part D drugs prescribed in 2023
Adacel Tdap17$883$52

2022: 1 drug

Part D drugs prescribed in 2022
Adacel Tdap39$1,989$51

2021: 1 drug

Part D drugs prescribed in 2021
Adacel Tdap11$550$50

2020: 1 drug

Part D drugs prescribed in 2020
Famotidine17$212$12

2019: 48 drugs

Part D drugs prescribed in 2019
Pradaxa14$9,164$655
Advair Diskus22$8,961$407
Flunisolide117$8,261$71
Atorvastatin302$7,019$23
Humulin N35$6,701$191
Qvar29$3,447$119
Levothyroxine77$2,259$29
Lisinopril163$1,917$12
Famotidine107$1,756$16
Losartan150$1,701$11
Gabapentin46$1,598$35
Metformin134$1,566$12
Amlodipine Besylate138$1,542$11
Tamsulosin44$1,293$29
Oxybutynin Chloride Er15$1,276$85
Allopurinol34$1,213$36
Terazosin38$1,106$29
Propranolol14$1,018$73
Clopidogrel35$840$24
Atenolol60$771$13
Ventolin Hfa14$743$53
Bisoprolol16$724$45
Glipizide53$641$12
Lisinopril-Hydrochlorothiazide56$637$11
Metoprolol61$611$10
Fluocinonide13$597$46
Finasteride23$562$24
Simvastatin47$557$12
Omeprazole25$544$22
Hydrochlorothiazide48$530$11
Adacel Tdap11$517$47
Losartan-Hydrochlorothiazide33$476$14
Fluticasone Propionate23$452$20
Veo Insulin18$412$23
Trazodone35$409$12
Naproxen31$380$12
Citalopram Hbr32$377$12
Warfarin23$363$16
Hydralazine12$352$29
Sertraline13$325$25
Furosemide26$309$12
Hydrocodone-Acetaminophen23$251$11
Nortriptyline18$237$13
Isosorbide Mononitrate Er12$173$14
Lovastatin12$160$13
Montelukast11$151$14
Alendronate11$126$11
Clonidine11$122$11

2018: 101 drugs

Part D drugs prescribed in 2018
Flunisolide407$27,151$67
Humulin N94$18,519$197
Chantix44$18,462$420
Atorvastatin704$17,358$25
Advair Diskus44$16,433$373
Qvar151$16,023$106
Spiriva Respimat31$14,474$467
Pradaxa35$13,618$389
Mesalamine13$10,980$845
Levothyroxine192$5,663$29
Losartan338$5,508$16
Famotidine230$5,422$24
Gabapentin114$4,848$43
Ventolin Hfa92$4,568$50
Lisinopril359$4,286$12
Humulin R30$4,183$139
Fluocinonide40$3,847$96
Tamsulosin119$3,636$31
Metformin240$2,873$12
Colchicine19$2,849$150
Atenolol211$2,695$13
Hydrocodone-Acetaminophen190$2,444$13
Allopurinol67$2,440$36
Terazosin99$2,437$25
Oxybutynin Chloride Er42$2,418$58
Amlodipine Besylate297$2,403$8
Glipizide160$2,402$15
Omeprazole90$2,285$25
Dilt-Xr33$2,203$67
Clopidogrel78$2,128$27
Losartan-Hydrochlorothiazide72$2,012$28
Klor-Con M2020$1,994$100
Hydralazine38$1,654$44
Simvastatin140$1,635$12
Sumatriptan22$1,596$73
Metoprolol155$1,558$10
Naproxen111$1,495$13
Lisinopril-Hydrochlorothiazide126$1,492$12
Finasteride60$1,480$25
Hydrochlorothiazide130$1,462$11
Fenofibrate20$1,432$72
Propranolol18$1,380$77
Oxybutynin Chloride12$1,276$106
Nortriptyline69$1,245$18
Acetaminophen-Codeine69$1,159$17
Veo Insulin57$1,075$19
Trazodone88$1,050$12
Oxycodone-Acetaminophen49$1,013$21
Furosemide79$1,003$13
Warfarin67$994$15
Fluticasone Propionate53$978$18
Ibuprofen51$940$18
Pantoprazole39$922$24
Citalopram Hbr75$853$11
Nitroglycerin19$832$44
Lactulose30$816$27
Montelukast38$787$21
Baclofen20$767$38
Cephalexin70$742$11
Acyclovir37$715$19
Triamcinolone Acetonide58$697$12
Verapamil Er12$692$58
Ranitidine15$674$45
Bupropion Hcl Sr20$672$34
Alendronate51$624$12
Spironolactone14$618$44
Rosuvastatin16$561$35
Doxycycline Monohydrate25$550$22
Zolpidem57$543$10
Metronidazole11$542$49
Sertraline29$529$18
Prednisone33$524$16
Lovastatin40$506$13
Duloxetine13$496$38
Isosorbide Mononitrate Er36$477$13
Amoxicillin46$448$10
Digoxin15$447$30
Azithromycin53$439$8
Bisoprolol14$427$31
Selenium Sulfide13$390$30
Meloxicam42$367$9
Veo Insulin14$362$26
Pravastatin11$321$29
Methadone19$319$17
Amiodarone13$308$24
Metformin Hcl Er20$281$14
Tramadol28$280$10
Neomycin-Polymyxin-Dexameth11$259$24
Fluoxetine18$257$14
Donepezil12$254$21
Clonidine15$237$16
Tizanidine27$231$9
Hydrocortisone20$230$12
Temazepam21$229$11
Carvedilol19$220$12
Sulfamethoxazole-Trimethoprim23$210$9
Lorazepam27$205$8
Quetiapine19$202$11
Alprazolam15$167$11
Ondansetron11$106$10
Ciprofloxacin12$84$7

2017: 102 drugs

Part D drugs prescribed in 2017
Flunisolide521$20,968$40
Qvar225$20,719$92
Humulin N111$20,418$184
Atorvastatin642$16,859$26
Pradaxa28$12,500$446
Advair Diskus27$11,472$425
Chantix32$10,954$342
Spiriva Respimat22$8,379$381
Dulera31$8,051$260
Losartan282$6,591$23
Famotidine201$5,883$29
Hydrocodone-Acetaminophen195$5,023$26
Levothyroxine154$4,892$32
Gabapentin74$3,974$54
Tamsulosin87$3,784$43
Asmanex Hfa12$3,627$302
Humulin R29$3,375$116
Fluocinonide35$3,370$96
Lisinopril274$3,281$12
Ventolin Hfa70$3,025$43
Oxybutynin Chloride Er38$2,666$70
Colchicine26$2,602$100
Allopurinol57$2,314$41
Omeprazole71$2,304$32
Humalog14$2,267$162
Metformin194$2,251$12
Losartan-Hydrochlorothiazide59$2,241$38
Hydralazine25$2,109$84
Clopidogrel65$2,028$31
Atenolol158$1,990$13
Amlodipine Besylate233$1,953$8
Glipizide125$1,784$14
Metoprolol167$1,589$10
Naproxen110$1,574$14
Finasteride59$1,524$26
Dilt-Xr23$1,505$65
Lisinopril-Hydrochlorothiazide120$1,475$12
Nortriptyline73$1,375$19
Oxybutynin Chloride11$1,324$120
Fenofibrate12$1,275$106
Klor-Con M2011$1,275$116
Insulin49$1,192$24
Oxycodone-Acetaminophen55$1,189$22
Warfarin74$1,188$16
Terazosin91$1,144$13
Carbidopa-Levodopa11$1,136$103
Propranolol15$1,103$74
Acetaminophen-Codeine58$1,015$18
Verapamil Er13$977$75
Hydrochlorothiazide91$939$10
Metronidazole15$894$60
Simvastatin63$891$14
Citalopram Hbr80$880$11
Trazodone65$841$13
Sertraline28$840$30
Furosemide68$838$12
Pantoprazole28$790$28
Baclofen11$766$70
Cephalexin75$762$10
Nitroglycerin17$689$41
Tramadol46$643$14
Digoxin14$642$46
Triamcinolone Acetonide52$629$12
Bupropion Hcl Sr27$623$23
Prednisone36$618$17
Isosorbide Mononitrate Er45$614$14
Zolpidem61$606$10
Amoxicillin61$601$10
Alendronate42$597$14
Insulin18$576$32
Temazepam37$540$15
Neomycin-Polymyxin-Dexameth18$457$25
Ibuprofen26$456$18
Doxycycline Monohydrate14$452$32
Montelukast18$445$25
Methadone21$435$21
Fluticasone Propionate21$419$20
Lorazepam44$398$9
Selenium Sulfide12$394$33
Donepezil17$383$23
Quetiapine16$379$24
Ranitidine16$370$23
Acyclovir16$356$22
Azithromycin43$336$8
Carvedilol27$313$12
Hydrocortisone14$292$21
Ipratropium11$271$25
Metformin Hcl Er17$243$14
Sumatriptan13$228$18
Tizanidine19$228$12
Alprazolam16$227$14
Insulin12$220$18
Ciprofloxacin23$201$9
Diazepam17$192$11
Spironolactone20$189$9
Clonidine11$169$15
Mupirocin11$166$15
Lovastatin14$163$12
Meloxicam14$150$11
Sulfamethoxazole-Trimethoprim12$137$11
Polymyxin B Sul-Trimethoprim13$128$10
Clonazepam11$97$9

2016: 102 drugs

Part D drugs prescribed in 2016
Atorvastatin660$19,562$30
Flunisolide413$17,535$42
Humulin N101$14,103$140
Qvar157$13,213$84
Dulera51$12,451$244
Spiriva Respimat35$11,359$325
Losartan304$8,282$27
Famotidine225$7,698$34
Hydrocodone-Acetaminophen179$6,618$37
Tamsulosin80$6,213$78
Gabapentin86$6,060$70
Levothyroxine143$5,118$36
Combivent Respimat15$5,083$339
Pradaxa12$4,258$355
Oxybutynin Chloride Er30$4,004$133
Chantix14$3,728$266
Amlodipine Besylate249$3,539$14
Lisinopril290$3,481$12
Omeprazole85$3,472$41
Fluocinonide32$3,373$105
Humulin R29$2,802$97
Allopurinol65$2,799$43
Hydralazine44$2,769$63
Humalog15$2,363$158
Atenolol196$2,311$12
Metformin195$2,285$12
Colchicine28$2,192$78
Oxybutynin Chloride23$2,155$94
Clopidogrel61$2,100$34
Phenytoin Sodium Extended16$2,049$128
Glipizide129$1,901$15
Losartan-Hydrochlorothiazide60$1,882$31
Metoprolol192$1,869$10
Finasteride58$1,862$32
Nitrostat19$1,766$93
Propranolol18$1,698$94
Naproxen105$1,679$16
Ventolin Hfa41$1,586$39
Dilt-Xr24$1,556$65
Oxycodone-Acetaminophen41$1,521$37
Warfarin108$1,504$14
Nortriptyline77$1,486$19
Insulin58$1,442$25
Lisinopril-Hydrochlorothiazide110$1,339$12
Flecainide Acetate11$1,226$111
Terazosin95$1,155$12
Simvastatin62$1,148$19
Citalopram Hbr101$1,140$11
Bupropion Hcl Sr40$1,047$26
Pantoprazole28$1,018$36
Hydrochlorothiazide93$984$11
Metronidazole12$976$81
Proair Hfa26$946$36
Venlafaxine Hcl Er11$902$82
Doxycycline Monohydrate22$891$40
Triamcinolone Acetonide32$886$28
Sertraline24$879$37
Furosemide67$861$13
Methadone33$837$25
Prednisone35$805$23
Acetaminophen-Codeine45$790$18
Isosorbide Mononitrate Er58$757$13
Trazodone55$755$14
Amoxicillin63$731$12
Tramadol45$702$16
Alendronate47$695$15
Diphenoxylate-Atropine16$683$43
Ibuprofen33$673$20
Fluticasone Propionate34$664$20
Baclofen18$650$36
Butalbital-Acetaminophen-Caffe15$639$43
Cephalexin65$622$10
Montelukast20$605$30
Lactulose20$576$29
Acyclovir19$535$28
Pravastatin13$509$39
Zolpidem42$439$10
Selenium Sulfide12$437$36
Carvedilol37$425$11
Estradiol13$410$32
Azithromycin36$372$10
Quetiapine11$370$34
Temazepam27$361$13
Insulin11$335$30
Clonidine19$330$17
Tizanidine15$314$21
Hydrocortisone16$306$19
Lorazepam31$299$10
Latanoprost12$250$21
Ranitidine12$236$20
Ciprofloxacin22$235$11
Spironolactone19$233$12
Meloxicam19$222$12
Sulfamethoxazole-Trimethoprim18$219$12
Lovastatin20$219$11
Brimonidine16$209$13
Diazepam19$189$10
Ondansetron14$177$13
Alprazolam22$170$8
Metformin Hcl Er13$142$11
Polymyxin B Sul-Trimethoprim15$138$9
Clonazepam12$121$10

2015: 94 drugs

Part D drugs prescribed in 2015
Atorvastatin609$18,306$30
Flunisolide342$13,897$41
Dulera42$12,482$297
Qvar139$11,954$86
Humulin N92$11,856$129
Combivent Respimat18$10,045$558
Ranexa15$9,458$631
Gabapentin73$8,064$110
Losartan280$7,667$27
Hydrocodone-Acetaminophen207$7,199$35
Famotidine206$6,289$31
Spiriva12$6,044$504
Eliquis11$5,996$545
Levothyroxine153$5,451$36
Tamsulosin65$4,559$70
Oxybutynin Chloride Er29$4,542$157
Finasteride48$4,441$93
Amlodipine Besylate202$4,333$21
Omeprazole78$4,117$53
Lisinopril286$3,487$12
Allopurinol63$2,950$47
Insulin58$2,731$47
Humulin R33$2,706$82
Clopidogrel50$2,586$52
Zostavax13$2,535$195
Metformin200$2,379$12
Pradaxa13$2,314$178
Glipizide130$1,976$15
Oxybutynin Chloride24$1,974$82
Atenolol175$1,946$11
Proair Hfa53$1,753$33
Nortriptyline76$1,719$23
Dilt-Xr21$1,706$81
Losartan-Hydrochlorothiazide57$1,598$28
Metoprolol158$1,597$10
Hydralazine27$1,520$56
Phenytoin Sodium Extended12$1,518$126
Naproxen92$1,410$15
Lisinopril-Hydrochlorothiazide107$1,327$12
Oxycodone-Acetaminophen20$1,309$65
Fluocinonide16$1,283$80
Warfarin87$1,235$14
Ibuprofen51$1,172$23
Digoxin12$1,112$93
Terazosin89$1,105$12
Bupropion Hcl Sr22$1,091$50
Methadone35$1,006$29
Hydrochlorothiazide96$969$10
Citalopram Hbr77$927$12
Simvastatin46$919$20
Sertraline24$914$38
Nitrostat13$900$69
Fluticasone Propionate39$896$23
Prednisone29$878$30
Propranolol20$852$43
Donepezil19$789$42
Triamcinolone Acetonide31$759$24
Furosemide60$749$12
Azithromycin54$743$14
Trazodone56$710$13
Alendronate47$700$15
Insulin13$693$53
Selenium Sulfide17$622$37
Pantoprazole11$612$56
Acetaminophen-Codeine39$587$15
Tramadol35$572$16
Metronidazole11$561$51
Isosorbide Mononitrate Er38$555$15
Doxycycline Monohydrate12$552$46
Baclofen14$540$39
Montelukast11$530$48
Acyclovir18$524$29
Amoxicillin52$517$10
Estradiol18$515$29
Butalbital-Acetaminophen-Caffe14$495$35
Zolpidem49$423$9
Cyclobenzaprine21$375$18
Ranitidine16$369$23
Lactulose11$361$33
Lorazepam40$353$9
Diphenoxylate-Atropine12$342$28
Cephalexin34$334$10
Clonidine17$318$19
Temazepam19$254$13
Brimonidine12$249$21
Lovastatin18$223$12
Tizanidine16$213$13
Ipratropium11$207$19
Carvedilol17$196$12
Alprazolam21$179$9
Spironolactone17$168$10
Diazepam14$140$10
Sulfamethoxazole-Trimethoprim11$130$12
Ciprofloxacin11$107$10

2014: 81 drugs

Part D drugs prescribed in 2014
Atorvastatin567$16,808$30
Qvar143$11,839$83
Humulin N89$10,424$117
Flunisolide279$10,125$36
Combivent Respimat18$10,087$560
Dulera25$10,018$401
Gabapentin63$7,972$127
Spiriva13$7,880$606
Losartan252$6,883$27
Finasteride61$5,904$97
Famotidine207$5,165$25
Hydrocodone-Acetaminophen285$5,042$18
Levothyroxine166$4,078$25
Zostavax22$4,070$185
Omeprazole80$3,876$48
Oxybutynin Chloride Er26$3,843$148
Lisinopril307$3,706$12
Amlodipine Besylate167$3,362$20
Clopidogrel57$2,715$48
Pravastatin45$2,677$59
Insulin65$2,501$38
Allopurinol68$2,495$37
Tamsulosin53$2,484$47
Humulin R29$2,361$81
Colcrys20$2,195$110
Metformin161$1,986$12
Glipizide130$1,847$14
Dilt-Xr20$1,773$89
Proair Hfa52$1,748$34
Atenolol148$1,726$12
Losartan-Hydrochlorothiazide54$1,722$32
Metoprolol162$1,694$10
Methadone54$1,625$30
Humalog11$1,607$146
Hydralazine22$1,544$70
Naproxen87$1,440$17
Lisinopril-Hydrochlorothiazide117$1,370$12
Nortriptyline61$1,369$22
Fluocinonide18$1,310$73
Terazosin103$1,285$12
Oxybutynin Chloride20$1,159$58
Warfarin87$1,126$13
Verapamil Er13$1,067$82
Fluticasone Propionate46$1,057$23
Transderm-Scop12$998$83
Alendronate65$969$15
Citalopram Hbr68$792$12
Sertraline25$781$31
Furosemide67$768$11
Hydrochlorothiazide74$757$10
Isosorbide Mononitrate Er50$750$15
Donepezil15$743$50
Bupropion Hcl Sr17$719$42
Temazepam26$696$27
Insulin17$654$38
Lactulose17$645$38
Triamcinolone Acetonide30$639$21
Metronidazole13$614$47
Azithromycin44$600$14
Simvastatin31$584$19
Trazodone46$581$13
Zolpidem56$502$9
Ibuprofen27$489$18
Acetaminophen-Codeine32$487$15
Ciprofloxacin49$422$9
Amoxicillin36$419$12
Prednisone25$410$16
Baclofen11$408$37
Tramadol28$337$12
Lorazepam39$327$8
Butalbital-Acetaminophen-Caffe15$325$22
Acyclovir12$320$27
Lovastatin23$297$13
Clonidine16$293$18
Cyclobenzaprine24$286$12
Carvedilol22$283$13
Propranolol12$280$23
Estradiol14$249$18
Sulfamethoxazole-Trimethoprim17$122$7
Meloxicam12$121$10
Diazepam11$89$8

2013: 81 drugs

Part D drugs prescribed in 2013
Pravastatin283$17,411$62
Dulera37$12,198$330
Flunisolide335$11,897$36
Combivent Respimat17$10,428$613
Qvar109$9,721$89
Spiriva16$8,988$562
Atorvastatin269$8,631$32
Humulin N80$7,630$95
Gabapentin55$7,271$132
Zostavax33$5,874$178
Losartan182$5,653$31
Finasteride50$5,250$105
Omeprazole96$4,603$48
Levothyroxine169$4,407$26
Famotidine169$4,330$26
Amlodipine Besylate169$3,749$22
Hydrocodone-Acetaminophen233$3,706$16
Lisinopril275$3,225$12
Clopidogrel47$3,212$68
Colcrys31$2,669$86
Allopurinol66$2,667$40
Insulin54$2,223$41
Humulin R30$2,174$72
Fluocinonide20$1,991$100
Losartan-Hydrochlorothiazide39$1,973$51
Metformin168$1,948$12
Tamsulosin46$1,935$42
Atenolol164$1,895$12
Hydralazine27$1,861$69
Oxybutynin Chloride Er12$1,830$152
Fluticasone Propionate77$1,770$23
Humalog11$1,758$160
Proair Hfa53$1,614$30
Diazepam11$1,603$146
Felodipine Er12$1,578$131
Glipizide117$1,572$13
Methadone42$1,531$36
Terazosin97$1,376$14
Metoprolol134$1,370$10
Nortriptyline63$1,369$22
Lisinopril-Hydrochlorothiazide115$1,329$12
Dilt-Xr14$1,290$92
Naproxen61$1,239$20
Alendronate74$1,173$16
Warfarin78$1,033$13
Hydrochlorothiazide90$920$10
Citalopram Hbr70$919$13
Verapamil Er14$831$59
Oxybutynin Chloride15$788$53
Baclofen11$779$71
Bupropion Hcl Sr22$778$35
Amoxicillin61$736$12
Metronidazole15$722$48
Lactulose20$711$36
Donepezil15$708$47
Furosemide58$689$12
Sertraline22$670$30
Triamcinolone Acetonide33$640$19
Isosorbide Mononitrate Er41$618$15
Zolpidem60$544$9
Pantoprazole13$524$40
Simvastatin21$523$25
Temazepam26$518$20
Trazodone40$509$13
Ciprofloxacin54$495$9
Tramadol29$479$17
Ranitidine21$470$22
Azithromycin31$431$14
Cyclobenzaprine29$386$13
Acetaminophen-Codeine25$383$15
Doxycycline Hyclate15$379$25
Ibuprofen25$348$14
Lovastatin27$344$13
Estradiol18$333$19
Cephalexin24$328$14
Prednisone26$245$9
Acyclovir12$200$17
Lorazepam17$182$11
Carvedilol13$180$14
Dicyclomine12$169$14
Sulfamethoxazole-Trimethoprim20$167$8

Professional record

NPI
1013093525
Licence
CA G62002California G62002: Current · expires 2029-01-31
More record details
Sole proprietor
No
Medicaid ID
CA 00G620020
Taxonomy
Internal medicine (207R00000X)
Mailing address
1800 Harrison St Fl 7, Oakland, CA, 94612
NPI first listed
2006-10-27
NPI last updated
2007-07-08

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