Clarence Edwin Chu
Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Clarence Edwin Chu is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1225614324, issued on Mar 20, 2021. Check the license (California A192155, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clarence Edwin Chu
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A192155 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-2350
- Enumerated
- Mar 20, 2021
- Record last updated
- Apr 2, 2026
- Fax
- (415) 353-2337
- Medicare enrollment
- Enrolled (PECOS I20260417000111); may accept Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 400 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Clarence Edwin Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A192155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
138 Medicare Part D claims for 50 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium25 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.
Industry payments in 2024: $228.60
5 payments; by number, the most common kind was food and beverage; the largest payer was Revance Therapeutics, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Clarence Edwin Chu among 1,131 endocrinology, diabetes & metabolism physician records in California
Clarence Edwin Chu 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 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2003 among the 779 with a school on file
- Record last updated2026 · 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
- Mark Anderson, MDSan Francisco, CA 941431013971001
- Lewis Blevins, MDSan Francisco, CA 941431295822393
- Merl Charles, MD PHDSan Francisco, CA 941431023152055
- Ira Goldfine, MDSan Francisco, CA 941431508823675
- Eric Goldman, M.D.San Francisco, CA 941431922194869
- Elizabeth Holt, MDSan Francisco, CA 941431184607392
- Victoria Hsiao, MD, PHDSan Francisco, CA 941431659418655
- Martha Kennedy, M.D.San Francisco, CA 941431982651022
Common questions
What is Clarence Edwin Chu's NPI number?
Clarence Edwin Chu's National Provider Identifier (NPI) is 1225614324, issued on Mar 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Clarence Edwin Chu located?
The NPPES record lists a practice address at 400 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-2350. Providers update this record themselves, so call before visiting.
How can I verify Clarence Edwin Chu's license?
NPPES lists California license number A192155, 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 Clarence Edwin Chu prescribe under Medicare Part D?
In 2024, Clarence Edwin Chu had 138 Medicare Part D claims for 50 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
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.