Bertrand Y. Tuan, M.D.
Specialist · San Francisco, CA
Bertrand Y. Tuan, M.D. is a specialist with a practice address in San Francisco, California, and NPI 1578632980, issued on Nov 7, 2006. Check the license (California G78339, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Bertrand Y. Tuan
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G78339 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Webster St Ste 225, San Francisco, CA 94115
- Phone
- (415) 923-3012
- Enumerated
- Nov 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- YYY49266Y CA
- Medicare enrollment
- Enrolled (PECOS I20081111000868); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2100 Webster St Ste 225
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline Behler, M.D., M.S.Hematology & Oncology Physician1518155357
- Kathleen Grant, M.D.Specialist1538238548
- David JesitusPharmacist1205171485
- Julia Gliceria RegaladoNurse Practitioner1437886488
Verify Bertrand Y. Tuan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G78339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average specialist in 2024
2,119 Medicare Part D claims for 240 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims. 66 claims were for opioids.
Most prescribed
- Hydroxyurea142 claims
- Aranesp137 claims
- Eliquis122 claims
- Calquence80 claims
- Acyclovir76 claims
- Nplate71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,050.70
79 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Pacific Hematology Oncology Assoc.San Francisco, CA
- Sutter Bay Medical FoundationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
666 specialist records list a practice address in San Francisco
They are 666 of the 38,143 NPPES records with a practice address in San Francisco, and 5,749 specialist records in California.
All 666 in San Francisco → All 5,749 in California → Every provider in San Francisco →
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- Jonas AbellaSan Francisco, CA1679760938
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- Elaine AbichRiverside, CA1780458927
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Common questions
What is Bertrand Y. Tuan, M.D.'s NPI number?
Bertrand Y. Tuan, M.D.'s National Provider Identifier (NPI) is 1578632980, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bertrand Y. Tuan, M.D. located?
The NPPES record lists a practice address at 2100 Webster St Ste 225, San Francisco, CA, 94115. Phone: (415) 923-3012. Providers update this record themselves, so call before visiting.
How can I verify Bertrand Y. Tuan, M.D.'s license?
NPPES lists California license number G78339, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Bertrand Y. Tuan, M.D. prescribe under Medicare Part D?
In 2024, Bertrand Y. Tuan, M.D. had 2,119 Medicare Part D claims for 240 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Bertrand Y. Tuan, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.