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Jonathan E Volk, MD

Infectious Disease · San Francisco

NPI 1366622698

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
2

Offices

2 locations · Permanente Medical Group Inc · 10,928 clinicians in this group

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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. Volk’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A101242 · Current

Licensed to practise in California · since 2007 · expires 2028-10-31 · University of California San Francisco School of Medicine.

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

Drugs they prescribed that Part D paid

$1,093,127

Pharmacies billed $1,093,127 in 2024.

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

Opioids were 1% of their Part D prescriptions (14 of 1,624) in 2024. Above the middle of the specialty; the typical infectious disease clinician is at 0%.

1,204 generic and 406 brand-name prescriptions · $1,093,127 in drug cost · 275 antibiotic prescriptions to 204 people.

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
Biktarvy29$306,621$10,573
Sivextro14$180,956$12,925
Prezcobix18$130,689$7,260
Triumeq13$126,761$9,751
Pifeltro18$80,911$4,495
See all 38 drugs
Every Part D drug this clinician prescribed
Biktarvy29$306,621$10,573
Sivextro14$180,956$12,925
Prezcobix18$130,689$7,260
Triumeq13$126,761$9,751
Pifeltro18$80,911$4,495
Typhim Vi58$4,930$85
Havrix48$3,504$73
Menveo A-C-Y-W-135-Dip20$3,020$151
Adacel Tdap59$3,009$51
Atovaquone-Proguanil66$2,297$35
Gabapentin53$1,332$25
Atorvastatin109$1,268$12
Azithromycin173$1,259$7
Cefadroxil15$1,091$73
Testosterone Cypionate13$923$71
Valacyclovir14$779$56
Acyclovir29$661$23
Ipol17$612$36
Amoxicillin24$533$22
Doxycycline Monohydrate23$529$23
Propranolol16$526$33
Lisinopril39$455$12
Tamsulosin27$420$16
Trazodone23$394$17
Albuterol Sulfate Hfa22$357$16
Finasteride23$347$15
Losartan29$336$12
Bupropion Xl13$308$24
Amlodipine Besylate23$252$11
Levothyroxine12$230$19
Acetazolamide25$210$8
Pantoprazole15$188$13
Omeprazole20$182$9
Losartan-Hydrochlorothiazide11$138$13
Baclofen16$135$8
Metformin12$127$11
Hydrochlorothiazide11$122$11
Metformin Hcl Er11$101$9

Year by year

Part D prescribing by year
20241,6243171% (14)25%$1,093,127
20231,5623611% (15)22%$797,677
20221,3872611% (17)21%$729,334
20211,1301582% (18)None$847,739
20201,114135NoneNone$974,041
20191,9843521% (28)None$1,514,045
20182,3182683% (61)None$1,684,042
20172,6742734% (108)None$1,690,841
20162,1433214% (86)40%$1,173,363
20151,5743925% (80)None$735,011
20149282675% (49)28%$328,568
201312213None30%$21,449

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

See the drugs prescribed each year

2023: 38 drugs

Part D drugs prescribed in 2023
Biktarvy22$220,829$10,038
Triumeq11$109,269$9,934
Prezcobix12$87,679$7,307
Pifeltro14$69,612$4,972
Typhim Vi73$8,929$122
Atovaquone-Proguanil87$5,733$66
Havrix52$3,940$76
Twinrix31$3,595$116
Azithromycin229$1,575$7
Gabapentin52$1,393$27
Acyclovir39$1,332$34
Atorvastatin98$1,204$12
Flunisolide17$1,140$67
Valacyclovir15$899$60
Cefadroxil13$836$64
Terazosin12$819$68
Loperamide17$592$35
Rifampin15$582$39
Ipol15$530$35
Amoxicillin18$525$29
Tamsulosin27$465$17
Doxycycline Monohydrate16$430$27
Lisinopril36$420$12
Diclofenac11$410$37
Losartan29$338$12
Trazodone19$315$17
Levothyroxine14$313$22
Finasteride18$265$15
Pantoprazole21$243$12
Albuterol Sulfate Hfa15$240$16
Amlodipine Besylate21$212$10
Baclofen24$194$8
Hydrocodone-Acetaminophen12$180$15
Losartan-Hydrochlorothiazide13$166$13
Omeprazole17$158$9
Hydrochlorothiazide11$118$11
Acetazolamide11$100$9
Metformin Hcl Er11$92$8

2022: 34 drugs

Part D drugs prescribed in 2022
Biktarvy28$267,443$9,552
Triumeq12$114,453$9,538
Prezcobix11$64,836$5,894
Pifeltro15$47,261$3,151
Atovaquone-Proguanil74$7,695$104
Typhim Vi53$6,254$118
Twinrix22$2,530$115
Acyclovir39$1,514$39
Havrix19$1,425$75
Atorvastatin103$1,316$13
Gabapentin40$1,220$31
Azithromycin153$1,099$7
Terazosin15$948$63
Flunisolide12$805$67
Valacyclovir13$769$59
Loperamide18$631$35
Losartan-Hydrochlorothiazide18$449$25
Bupropion Xl16$443$28
Amoxicillin16$394$25
Pantoprazole30$392$13
Tamsulosin23$370$16
Lisinopril28$325$12
Albuterol Sulfate Hfa18$307$17
Levothyroxine12$274$23
Amlodipine Besylate27$261$10
Trazodone14$241$17
Baclofen24$236$10
Finasteride13$197$15
Rosuvastatin11$182$17
Losartan14$163$12
Sulfamethoxazole-Trimethoprim13$159$12
Atenolol12$124$10
Omeprazole13$122$9
Metformin Hcl Er13$118$9

2021: 27 drugs

Part D drugs prescribed in 2021
Biktarvy38$344,176$9,057
Triumeq18$111,814$6,212
Acyclovir45$1,805$40
Atovaquone-Proguanil13$1,499$115
Typhim Vi14$1,344$96
Atorvastatin99$1,264$13
Gabapentin45$1,242$28
Havrix15$1,020$68
Terazosin18$887$49
Azithromycin64$664$10
Loperamide14$508$36
Propranolol11$415$38
Lisinopril35$408$12
Amoxicillin14$348$25
Tamsulosin20$320$16
Hydrocodone-Acetaminophen16$286$18
Trazodone14$273$19
Pantoprazole19$261$14
Omeprazole15$258$17
Baclofen13$192$15
Finasteride12$179$15
Amlodipine Besylate16$176$11
Escitalopram16$170$11
Citalopram Hbr13$150$12
Losartan11$128$12
Atenolol11$120$11
Hydrochlorothiazide11$118$11

2020: 29 drugs

Part D drugs prescribed in 2020
Biktarvy38$302,789$7,968
Tivicay16$90,124$5,633
Prezcobix16$85,900$5,369
Isentress17$81,490$4,794
Triumeq15$64,137$4,276
Testosterone13$4,606$354
Advair Diskus20$4,223$211
Abacavir-Lamivudine21$3,100$148
Acyclovir47$1,733$37
Gabapentin44$1,303$30
Typhim Vi13$1,196$92
Atorvastatin78$1,025$13
Havrix14$924$66
Terazosin18$867$48
Atovaquone-Proguanil13$743$57
Ventolin Hfa15$723$48
Tamsulosin21$389$19
Pantoprazole23$305$13
Doxycycline Monohydrate11$293$27
Baclofen11$262$24
Trazodone16$260$16
Lisinopril22$257$12
Azithromycin33$237$7
Finasteride11$234$21
Amlodipine Besylate16$181$11
Famotidine19$180$9
Hydrochlorothiazide16$171$11
Atenolol14$144$10
Metformin Hcl Er12$100$8

2019: 54 drugs

Part D drugs prescribed in 2019
Biktarvy44$239,383$5,441
Tivicay41$162,129$3,954
Isentress40$133,616$3,340
Prezcobix38$133,426$3,511
Genvoya21$133,112$6,339
Triumeq26$124,951$4,806
Descovy28$91,093$3,253
Prezista23$68,482$2,977
Odefsey15$59,775$3,985
Intelence17$39,930$2,349
Testosterone24$6,475$270
Abacavir-Lamivudine45$5,217$116
Typhim Vi56$4,928$88
Atovaquone-Proguanil65$2,969$46
Havrix46$2,944$64
Advair Diskus12$2,473$206
Gabapentin52$1,936$37
Ritonavir14$1,818$130
Atorvastatin94$1,736$18
Lamivudine14$1,517$108
Acyclovir60$1,493$25
Azithromycin191$1,394$7
Ventolin Hfa19$911$48
Doxycycline Monohydrate20$810$40
Terazosin19$793$42
Bupropion Xl14$720$51
Valacyclovir21$711$34
Ipol20$620$31
Loperamide16$459$29
Cefadroxil15$443$30
Tamsulosin20$431$22
Hydralazine13$425$33
Levothyroxine15$424$28
Acetazolamide19$335$18
Trazodone28$325$12
Mirtazapine19$315$17
Finasteride12$277$23
Hydrocodone-Acetaminophen18$276$15
Omeprazole14$261$19
Lisinopril23$254$11
Amlodipine Besylate23$250$11
Escitalopram16$219$14
Losartan-Hydrochlorothiazide13$183$14
Sertraline12$176$15
Temazepam11$171$16
Montelukast15$156$10
Losartan12$147$12
Pantoprazole11$146$13
Citalopram Hbr14$141$10
Famotidine11$139$13
Sulfamethoxazole-Trimethoprim11$137$12
Metoprolol11$93$8
Meloxicam15$93$6
Metformin Hcl Er12$92$8

2018: 63 drugs

Part D drugs prescribed in 2018
Descovy88$226,350$2,572
Genvoya48$217,046$4,522
Tivicay65$206,566$3,178
Isentress72$178,661$2,481
Prezcobix49$148,511$3,031
Triumeq24$99,256$4,136
Prezista31$69,138$2,230
Odefsey23$57,708$2,509
Truvada11$51,895$4,718
Biktarvy18$49,298$2,739
Selzentry16$41,740$2,609
Intelence26$38,973$1,499
Efavirenz15$20,670$1,378
Edurant13$14,836$1,141
Abacavir-Lamivudine73$12,727$174
Androgel12$7,812$651
Nevirapine Er13$7,129$548
Tenofovir Disoproxil13$5,468$421
Testosterone23$4,924$214
Typhim Vi35$3,850$110
Menveo A-C-Y-W-135-Dip20$2,540$127
Gabapentin55$2,317$42
Atorvastatin119$1,985$17
Acyclovir89$1,831$21
Lamivudine15$1,820$121
Atovaquone-Proguanil33$1,654$50
Depo-Testosterone15$1,567$104
Flunisolide18$1,372$76
Havrix19$1,140$60
Diphenoxylate-Atropine14$1,055$75
Tamsulosin34$988$29
Ventolin Hfa22$979$44
Azithromycin114$933$8
Venlafaxine Hcl Er38$920$24
Valacyclovir31$877$28
Morphine Sulfate Er11$803$73
Bupropion Xl18$741$41
Terazosin19$659$35
Hydrocodone-Acetaminophen33$575$17
Doxycycline Monohydrate18$567$32
Mirtazapine22$484$22
Omeprazole24$482$20
Montelukast34$421$12
Hydralazine11$397$36
Levothyroxine13$390$30
Losartan-Hydrochlorothiazide13$375$29
Fluticasone Propionate22$358$16
Lisinopril34$357$11
Losartan18$344$19
Duloxetine17$335$20
Finasteride13$308$24
Paroxetine11$266$24
Trazodone27$246$9
Meloxicam24$172$7
Famotidine12$165$14
Amlodipine Besylate21$162$8
Fluoxetine20$155$8
Atenolol13$151$12
Sertraline12$141$12
Temazepam12$139$12
Metoprolol15$133$9
Simvastatin11$132$12
Metformin11$98$9

2017: 71 drugs

Part D drugs prescribed in 2017
Descovy113$243,841$2,158
Genvoya67$223,375$3,334
Isentress98$189,613$1,935
Tivicay57$167,715$2,942
Prezcobix40$112,627$2,816
Prezista52$97,605$1,877
Truvada20$89,263$4,463
Atripla14$87,701$6,264
Triumeq21$59,316$2,825
Abacavir-Lamivudine59$49,028$831
Intelence30$41,348$1,378
Selzentry17$39,583$2,328
Sustiva26$30,666$1,179
Viread17$28,733$1,690
Edurant23$24,473$1,064
Valganciclovir12$20,220$1,685
Norvir39$17,201$441
Nevirapine Er22$15,487$704
Menveo A-C-Y-W-135-Dip44$5,192$118
Testosterone24$5,135$214
Abacavir21$4,461$212
Lamivudine28$4,383$157
Typhim Vi46$3,588$78
Gabapentin68$3,519$52
Atovaquone-Proguanil47$3,387$72
Twinrix29$2,494$86
Depo-Testosterone20$2,114$106
Atorvastatin117$2,007$17
Morphine Sulfate Er28$1,879$67
Havrix32$1,792$56
Bupropion Xl23$1,782$77
Acyclovir88$1,765$20
Diphenoxylate-Atropine19$1,410$74
Tamsulosin32$1,278$40
Ventolin Hfa31$1,257$41
Hydrocodone-Acetaminophen36$1,240$34
Temazepam21$1,159$55
Azithromycin131$1,007$8
Qvar11$1,006$91
Doxycycline Monohydrate29$886$31
Valacyclovir27$831$31
Nevirapine22$730$33
Venlafaxine Hcl Er28$725$26
Losartan-Hydrochlorothiazide18$653$36
Flunisolide16$622$39
Fluconazole17$621$37
Omeprazole29$553$19
Losartan19$488$26
Acetaminophen-Codeine13$479$37
Montelukast32$478$15
Duloxetine19$431$23
Mirtazapine18$427$24
Acetazolamide11$368$33
Paroxetine18$343$19
Lisinopril31$306$10
Fluticasone Propionate16$306$19
Sertraline20$272$14
Risperidone12$247$21
Trazodone24$243$10
Amlodipine Besylate30$235$8
Citalopram Hbr17$226$13
Sulfamethoxazole-Trimethoprim17$226$13
Terazosin15$222$15
Metoprolol23$214$9
Oxycodone11$201$18
Atenolol15$172$11
Fluoxetine17$133$8
Zolpidem15$130$9
Meloxicam16$128$8
Alprazolam15$124$8
Oxycodone-Acetaminophen11$122$11

2016: 59 drugs

Part D drugs prescribed in 2016
Truvada69$186,755$2,707
Isentress79$143,871$1,821
Tivicay44$104,177$2,368
Epzicom50$96,621$1,932
Genvoya14$55,916$3,994
Atripla11$54,977$4,998
Prezista31$53,196$1,716
Reyataz13$45,577$3,506
Intelence34$42,310$1,244
Triumeq14$39,014$2,787
Descovy17$33,548$1,973
Stribild11$31,768$2,888
Selzentry14$31,376$2,241
Prezcobix17$28,186$1,658
Abacavir-Lamivudine16$25,280$1,580
Viread22$23,679$1,076
Norvir38$19,082$502
Edurant15$14,565$971
Nevirapine Er13$8,619$663
Lamivudine39$7,785$200
Abacavir20$6,881$344
Atovaquone-Proguanil68$5,097$75
Testosterone26$3,693$142
Typhim Vi40$3,040$76
Gabapentin48$2,349$49
Morphine Sulfate Er23$2,291$100
Hydrocodone-Acetaminophen37$1,968$53
Bupropion Xl15$1,852$123
Acyclovir89$1,851$21
Azithromycin197$1,823$9
Fluconazole11$1,324$120
Depo-Testosterone16$1,313$82
Atorvastatin81$1,296$16
Tamsulosin26$1,265$49
Twinrix16$1,216$76
Fluocinonide11$1,213$110
Havrix23$1,188$52
Fenofibrate18$1,125$62
Temazepam18$1,057$59
Diphenoxylate-Atropine16$935$58
Nevirapine28$890$32
Doxycycline Monohydrate22$616$28
Losartan-Hydrochlorothiazide14$504$36
Levothyroxine14$500$36
Acetazolamide15$484$32
Duloxetine16$469$29
Valacyclovir16$452$28
Paroxetine15$352$23
Amlodipine Besylate32$339$11
Omeprazole21$332$16
Metoprolol26$268$10
Sulfamethoxazole-Trimethoprim16$210$13
Lisinopril19$201$11
Insulin11$169$15
Furosemide11$144$13
Trazodone13$140$11
Clonazepam13$115$9
Fluoxetine14$103$7
Ranitidine11$99$9

2015: 37 drugs

Part D drugs prescribed in 2015
Truvada60$146,737$2,446
Epzicom61$98,021$1,607
Atripla27$90,062$3,336
Isentress53$88,458$1,669
Tivicay24$47,259$1,969
Stribild13$35,275$2,713
Prezista18$23,963$1,331
Viread22$21,561$980
Atovaquone-Proguanil124$14,262$115
Nevirapine Er19$13,801$726
Norvir27$12,291$455
Lamivudine30$6,204$207
Androgel13$4,685$360
Gabapentin20$2,954$148
Morphine Sulfate Er19$2,856$150
Azithromycin261$2,811$11
Testosterone16$2,266$142
Hydrocodone-Acetaminophen34$1,905$56
Temazepam16$1,398$87
Clindamycin Phosphate12$1,334$111
Fenofibrate12$1,176$98
Atorvastatin66$1,103$17
Depo-Testosterone15$1,083$72
Methadone13$1,033$79
Acetazolamide34$1,032$30
Acyclovir40$1,018$25
Diphenoxylate-Atropine15$762$51
Tamsulosin14$686$49
Nevirapine25$673$27
Duloxetine11$494$45
Proair Hfa14$462$33
Omeprazole12$421$35
Doxycycline Monohydrate12$351$29
Sulfamethoxazole-Trimethoprim17$225$13
Zolpidem17$151$9
Citalopram Hbr13$128$10
Alprazolam13$120$9

2014: 19 drugs

Part D drugs prescribed in 2014
Truvada39$73,855$1,894
Isentress42$55,467$1,321
Atripla12$47,386$3,949
Epzicom26$35,100$1,350
Atovaquone-Proguanil97$12,227$126
Nevirapine Er14$7,149$511
Lamivudine14$2,919$208
Morphine Sulfate Er12$2,555$213
Azithromycin143$1,960$14
Duloxetine11$1,281$116
Temazepam20$1,150$58
Acetazolamide20$959$48
Ciprofloxacin79$690$9
Omeprazole13$593$46
Tamsulosin15$561$37
Acyclovir24$533$22
Hydrocodone-Acetaminophen24$523$22
Atorvastatin28$477$17
Zolpidem21$167$8

2013: 5 drugs

Part D drugs prescribed in 2013
Clarithromycin12$2,453$204
Methenamine Hippurate11$1,373$125
Amoxicillin11$372$34
Sulfamethoxazole-Trimethoprim12$325$27
Levofloxacin11$209$19

Professional record

NPI
1366622698
Licence
CA A101242California A101242: Current · expires 2028-10-31
Trained
University of California, San Francisco School of Medicine, 2006
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Internal medicine (207R00000X)
Mailing address
300 Pasteur Dr, S101, Stanford, CA, 94305
NPI first listed
2007-11-03
NPI last updated
2021-12-15

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

This office lists an electronic records connection.