Edward C. Hsiao, M.D., PH.D.
Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Edward C. Hsiao, M.D., PH.D. is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1750316030, issued on Jul 12, 2006. Check the license (California A85538, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Edward C. Hsiao
- Credential
- M.D., PH.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A85538 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 Clement St # 111N, San Francisco, CA 94121
- Phone
- (415) 750-2089
- Enumerated
- Jul 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070607000600); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Edward C. Hsiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A85538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
78 Medicare Part D claims for 22 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Alendronate Sodium22 claims
- Alcohol Pads14 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): 74.5 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).
Bills Medicare through 2 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Edward C. Hsiao among 1,131 endocrinology, diabetes & metabolism physician records in California
Edward C. Hsiao, M.D., PH.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2001 · median 2003 among the 779 with a school on file
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in San Francisco → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Daniel Bikle, MDSan Francisco, CA 941211669588760
- Carl Grunfeld, M.D.San Francisco, CA 941211659487635
- Karin Wu, MDSan Francisco, CA 941211043639040
- Steven Snyder, M.DSan Francisco, CA 941231326125980
- Philip Frost, M.DSan Francisco, CA 941181912905928
- Nathan Becker, M.D.San Francisco, CA 941171972696250
- Eric Buxton, M.D.San Francisco, CA 941171134210362
- Paul Fitzgerald, M.D.San Francisco, CA 941171326356460
Common questions
What is Edward C. Hsiao, M.D., PH.D.'s NPI number?
Edward C. Hsiao, M.D., PH.D.'s National Provider Identifier (NPI) is 1750316030, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Edward C. Hsiao, M.D., PH.D. located?
The NPPES record lists a practice address at 4150 Clement St # 111N, San Francisco, CA, 94121. Phone: (415) 750-2089. Providers update this record themselves, so call before visiting.
How can I verify Edward C. Hsiao, M.D., PH.D.'s license?
NPPES lists California license number A85538, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Edward C. Hsiao, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Edward C. Hsiao, M.D., PH.D. had 78 Medicare Part D claims for 22 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Edward C. Hsiao, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 74.5 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.