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Joshua S Adler, MD

Internal Medicine · San Francisco

NPI 1194781351

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
3
1 carrier
Offices
2
Since medical school
36 years
University of California, San Diego School of Medicine, 1990

Offices

2 locations · University of California San Francisco · UCSF Medical Group Business Services

Looking this up.

Hospitals listed: UCSF Medical Center. That is not proof they admit you there this week.

Plans that list them

3 plans · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Adler’s office at (415) 476-1000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

Plans whose provider directory lists this clinician
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

California Medical Board record

Licence G73842 · Current

Licensed to practise in California · since 1992 · expires 2028-02-29 · University of California, San Diego 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

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
74.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

  • UCSF Medical CenterSan Francisco, CAAcute Care Hospital · Voluntary non-profit - Other · Has an emergency department · Birthing-friendlyPart of University of California Health, which runs 12 hospitalsHome of UCSF Helen Diller Family Comprehensive Cancer Center, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 81% would definitely recommend it
    Overall rating: 4 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 4.9 (3.79 to 6.02) · 7,590 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 12.8 (11.3 to 14.4) · 2,019 cases, Jan 2024 – Dec 2024Better than the national rate — Death rate among surgical inpatients with serious treatable complications: 139.4 (110.22 to 168.58) · 452 cases, Jul 2022 – Jun 2024Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.622, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.626, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.491, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.8 (0.7 to 1) · 2,336 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for UCSF Medical Center

Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 3 better, 5 the same, 3 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at UCSF Medical Center
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths4.9 (3.79 to 6.02) · 7,590 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits12.8 (11.3 to 14.4) · 2,019 casesWorseJan 2024 – Dec 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths139.4 (110.22 to 168.58) · 452 casesBetterJul 2022 – Jun 2024
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.622BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.626BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.491BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.8 (0.7 to 1) · 2,336 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.24 (0.58 to 1.9) · 4,689 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.05 (0.89 to 1.2)No differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.9 · 89 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.5 · 85 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10.1 · 132 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.6 · 454 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 618 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.6 · 380 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.7 · 5,000 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.22 (0.06 to 0.38) · 15,965 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.2 (0.05 to 0.35) · 17,859 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.85 (0 to 1.83) · 4,184 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2 (1.1 to 2.9) · 6,516 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.35 (4.49 to 10.21) · 3,989 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5 (3.22 to 6.77) · 4,087 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.95 (0.74 to 3.15) · 2,034 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.95 (0.63 to 1.28) · 15,431 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 399 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.899No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.689No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.224No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16 · 156 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20 · 564 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits60.3 · 160 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-9.7 · 550 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits44.1 · 660 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.8 · 667 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.7 (4.8 to 6.7) · 2,019 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits6 · 421 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.5 · 53 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20 · 107 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.9 (11.3 to 17.1) · 3,247 casesNo differentJan 2022 – Dec 2024

What patients said (3,181 patients answered, 25% of those asked)

Patient survey stars by topic at UCSF Medical Center
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at UCSF Medical Center
Room was "always" clean71%
Nurses "always" communicated well80%
Doctors "always" communicated well80%
Staff "always" explained61%
Yes, staff "did" give patients this information88%
Yes, staff "did" give patients information about help after discharge87%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully78%
Doctors "always" treated them with courtesy and respect86%
Patients who gave a rating of "9" or "10" (high)76%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully78%
Nurses "always" treated them with courtesy and respect86%
"Always" quiet at night50%
"YES", patients would definitely recommend the hospital81%
Staff "always" explained possible side effects46%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$6,777

Medicare paid this office $6,777 for 38 people.

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

Largest Original Medicare bills
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit13$2,027$156
Return visit (30+ min)17$1,866$69
Short return visit (20+ min)15$1,530$53
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's11$193$15

Who their Medicare patients are

38 Original Medicare patients in 2024. Average age 79 · Women 40% · Also on Medicaid 0% · Health risk score 1.19. At or below the middle of the specialty; the typical internal medicine clinician is at 1.76.

Conditions among them: High blood pressure 74% · Chronic kidney disease 32%.

The office billed $42,804, Medicare allowed $8,975 and paid $6,777; for 97 services of 9 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
20243897791.19$42,804$6,777
20233468781.13$33,175$4,806
20223871771.20$36,017$5,592
20214365731.11$33,066$5,148
20203141771.17$19,275$1,961
20193856771.04$28,040$2,904
20183869790.94$33,669$3,689
20174884770.98$37,913$4,029
201650142761.49$66,186$9,951
201576202751.71$95,512$15,416
201471157751.83$67,859$10,786
201362138751.47$52,985$8,014

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: 2 services

Original Medicare services billed in 2023
Return visit (30+ min)17$1,609$73
Short return visit (20+ min)13$954$43

2022: 3 services

Original Medicare services billed in 2022
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit13$1,995$153
Short return visit (20+ min)18$1,620$51
Return visit (30+ min)12$992$66

2021: 2 services

Original Medicare services billed in 2021
Return visit (30+ min)22$1,802$69
Short return visit (20+ min)14$836$52

2020: 2 services

Original Medicare services billed in 2020
Return visit (30+ min)19$1,138$52
Short return visit (20+ min)12$649$46

2019: 2 services

Original Medicare services billed in 2019
Return visit (30+ min)23$1,755$65
Short return visit (20+ min)19$726$33

2018: 2 services

Original Medicare services billed in 2018
Return visit (30+ min)26$2,225$57
Short return visit (20+ min)13$775$39

2017: 2 services

Original Medicare services billed in 2017
Return visit (30+ min)29$2,347$56
Short return visit (20+ min)21$1,002$36

2016: 2 services

Original Medicare services billed in 2016
Return visit (30+ min)32$3,060$62
Short return visit (20+ min)12$764$38

2015: 5 services

Original Medicare services billed in 2015
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes19$6,085$94
Return visit (30+ min)39$2,937$59
Initial hospital care with moderate level of medical decision making at least 75 minutes11$2,001$182
Short return visit (20+ min)18$1,328$43
Hospital discharge day management, 30 minutes or less11$736$67

2014: 3 services

Original Medicare services billed in 2014
Return visit (30+ min)32$2,648$62
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes13$1,801$64
Short return visit (20+ min)29$1,600$43

2013: 2 services

Original Medicare services billed in 2013
Return visit (30+ min)32$2,452$56
Short return visit (20+ min)26$1,799$40

Drugs they prescribed that Part D paid

$47,195

Pharmacies billed $47,195 in 2024.

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

Opioids were 2% of their Part D prescriptions (11 of 623) in 2024. Above the middle of the specialty; the typical internal medicine clinician is at 1%.

567 generic and fewer than 11 brand-name prescriptions · $47,195 in drug cost · 12 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
Olanzapine14$2,847$203
Ezetimibe19$2,467$130
Atorvastatin37$892$24
Escitalopram18$700$39
Olanzapine Odt12$692$58
See all 16 drugs
Every Part D drug this clinician prescribed
Olanzapine14$2,847$203
Ezetimibe19$2,467$130
Atorvastatin37$892$24
Escitalopram18$700$39
Olanzapine Odt12$692$58
Losartan27$521$19
Benazepril24$407$17
Simvastatin17$389$23
Amlodipine Besylate21$358$17
Metoprolol27$345$13
Tamsulosin14$303$22
Allopurinol19$274$14
Omeprazole15$255$17
Hydrochlorothiazide45$150$3
Lisinopril12$138$12
Metoprolol11$33$3

Year by year

Part D prescribing by year
2024623512% (11)None$47,195
202361045NoneNone$42,364
2022511563% (15)None$36,015
2021510745% (27)9%$33,515
2020467644% (20)8%$25,337
2019528683% (18)13%$32,293
20185089711% (54)10%$34,572
201767814915% (100)None$45,446
20167631168% (57)None$49,419
201575816916% (119)16%$39,999
201475615315% (111)17%$35,439
201375815515% (115)None$36,098

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

See the drugs prescribed each year

2023: 15 drugs

Part D drugs prescribed in 2023
Synthroid13$1,168$90
Atorvastatin39$997$26
Tamsulosin18$898$50
Losartan29$805$28
Amlodipine Besylate35$537$15
Memantine14$448$32
Ezetimibe18$397$22
Metoprolol24$372$16
Hydrochlorothiazide54$310$6
Omeprazole16$244$15
Benazepril21$221$11
Allopurinol13$188$14
Simvastatin17$166$10
Trazodone15$115$8
Escitalopram15$68$5

2022: 15 drugs

Part D drugs prescribed in 2022
Tamsulosin19$874$46
Synthroid13$831$64
Losartan21$692$33
Terazosin20$623$31
Atorvastatin21$592$28
Amlodipine Besylate37$448$12
Benazepril21$354$17
Ezetimibe11$329$30
Simvastatin18$267$15
Metoprolol14$217$15
Omeprazole12$212$18
Hydrochlorothiazide39$153$4
Allopurinol11$149$14
Paroxetine12$81$7
Gabapentin13$74$6

2021: 13 drugs

Part D drugs prescribed in 2021
Ezetimibe12$622$52
Tamsulosin23$603$26
Atorvastatin17$383$23
Benazepril33$379$11
Terazosin12$327$27
Amlodipine Besylate42$300$7
Losartan16$281$18
Duloxetine11$196$18
Hydrochlorothiazide44$157$4
Allopurinol11$135$12
Simvastatin16$120$7
Oxycodone18$114$6
Paroxetine12$27$2

2020: 14 drugs

Part D drugs prescribed in 2020
Synthroid16$1,545$97
Memantine12$995$83
Ezetimibe15$867$58
Atorvastatin23$716$31
Tamsulosin16$496$31
Metoprolol11$380$35
Benazepril31$269$9
Amlodipine Besylate37$250$7
Trazodone15$216$14
Olanzapine12$146$12
Losartan16$137$9
Hydrochlorothiazide36$135$4
Escitalopram17$126$7
Simvastatin15$67$4

2019: 10 drugs

Part D drugs prescribed in 2019
Synthroid22$1,429$65
Atorvastatin28$840$30
Ezetimibe12$718$60
Metoprolol22$587$27
Amlodipine Besylate31$345$11
Benazepril35$343$10
Zolpidem21$145$7
Hydrochlorothiazide23$107$5
Omeprazole12$107$9
Oxycodone13$73$6

2018: 12 drugs

Part D drugs prescribed in 2018
Ezetimibe13$1,743$134
Metoprolol13$810$62
Atorvastatin26$776$30
Finasteride16$568$35
Amlodipine Besylate36$490$14
Hydrochlorothiazide28$254$9
Oxycodone19$219$12
Benazepril25$204$8
Hydrocodone-Acetaminophen17$159$9
Zolpidem19$157$8
Omeprazole18$108$6
Tramadol12$33$3

2017: 15 drugs

Part D drugs prescribed in 2017
Atorvastatin37$1,222$33
Galantamine Er12$908$76
Metoprolol13$672$52
Oxycodone37$405$11
Amlodipine Besylate52$322$6
Hydrochlorothiazide31$258$8
Hydrocodone-Acetaminophen40$254$6
Benazepril30$248$8
Finasteride15$248$17
Clonazepam19$155$8
Gabapentin14$132$9
Tramadol16$68$4
Lisinopril12$62$5
Zolpidem12$50$4
Simvastatin11$46$4

2016: 22 drugs

Part D drugs prescribed in 2016
Benicar12$1,631$136
Acyclovir11$1,177$107
Premarin14$1,008$72
Desloratadine13$774$60
Atorvastatin35$730$21
Levothyroxine14$482$34
Oxycodone23$423$18
Galantamine Er12$389$32
Amlodipine Besylate51$380$7
Allopurinol20$354$18
Benazepril27$345$13
Metoprolol11$319$29
Hydrochlorothiazide34$317$9
Pravastatin12$296$25
Hydrocodone-Acetaminophen22$259$12
Finasteride16$247$15
Losartan20$243$12
Clonazepam18$152$8
Fluticasone Propionate13$127$10
Medroxyprogesterone Acetate14$78$6
Zolpidem12$45$4
Lovastatin11$38$3

2015: 20 drugs

Part D drugs prescribed in 2015
Lansoprazole15$1,822$121
Desloratadine12$1,442$120
Benicar11$1,231$112
Premarin12$725$60
Oxycodone51$651$13
Tamsulosin15$643$43
Levothyroxine23$522$23
Atorvastatin29$514$18
Hydrocodone-Acetaminophen48$505$11
Amlodipine Besylate50$494$10
Allopurinol20$403$20
Losartan31$383$12
Zolpidem22$374$17
Benazepril30$331$11
Montelukast12$258$21
Hydrochlorothiazide24$241$10
Finasteride15$146$10
Gabapentin11$93$8
Ibuprofen11$88$8
Medroxyprogesterone Acetate12$64$5

2014: 21 drugs

Part D drugs prescribed in 2014
Desloratadine11$1,322$120
Metoprolol31$1,117$36
Oxycodone41$1,054$26
Atorvastatin29$699$24
Amlodipine Besylate47$634$13
Synthroid15$615$41
Premarin11$555$50
Hydrocodone-Acetaminophen43$416$10
Tamsulosin11$415$38
Losartan24$373$16
Benazepril25$296$12
Hydrochlorothiazide30$291$10
Levothyroxine18$226$13
Fluticasone Propionate11$174$16
Zolpidem26$164$6
Finasteride14$154$11
Warfarin20$142$7
Allopurinol11$134$12
Terazosin18$106$6
Ibuprofen16$76$5
Medroxyprogesterone Acetate12$45$4

2013: 23 drugs

Part D drugs prescribed in 2013
Diovan17$2,665$157
Micardis11$1,525$139
Metoprolol24$1,003$42
Atorvastatin31$898$29
Premarin14$841$60
Amlodipine Besylate51$738$14
Omeprazole14$666$48
Oxycodone32$639$20
Hydrocodone-Acetaminophen52$607$12
Montelukast12$472$39
Losartan21$347$17
Potassium Chloride11$319$29
Benazepril29$312$11
Hydrochlorothiazide32$205$6
Terazosin16$201$13
Gabapentin14$160$11
Zolpidem15$143$10
Allopurinol13$142$11
Quetiapine11$129$12
Famotidine17$119$7
Mirtazapine12$104$9
Furosemide12$65$5
Medroxyprogesterone Acetate12$53$4

Professional record

NPI
1194781351
Licence
CA G73842California G73842: Current · expires 2028-02-29
Trained
University of California, San Diego School of Medicine, 1990 · 36 years ago
Group
University of California San Francisco · UCSF Medical Group Business Services
Video visits
Lists video visits
Gender
Male
More record details
Sole proprietor
No
Medicaid ID
CA 00G738420
Taxonomy
Internal medicine (207R00000X)
Mailing address
1635 Divisadero St, Ste. 625, Box 1821, San Francisco, CA, 94143
NPI first listed
2006-04-25
NPI last updated
2012-08-31

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