Helene Puzio, DO
Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Helene Puzio, DO is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1235758970, issued on Apr 13, 2020. Check the license (California 20A22733, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helene Puzio
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 20A22733 CA
34.016370 OH
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-2350
- Enumerated
- Apr 13, 2020
- Record last updated
- Aug 3, 2026
- 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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- Weiyun Ai, MDMedical Oncology Physician1649346842
Verify Helene Puzio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A22733Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
169 Medicare Part D claims for 52 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 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.
Helene Puzio among 1,131 endocrinology, diabetes & metabolism physician records in California
Helene Puzio, DO 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 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- 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 Helene Puzio, DO's NPI number?
Helene Puzio, DO's National Provider Identifier (NPI) is 1235758970, issued on Apr 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Helene Puzio, DO 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 Helene Puzio, DO's license?
NPPES lists California license number 20A22733, 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 Helene Puzio, DO prescribe under Medicare Part D?
In 2024, Helene Puzio, DO had 169 Medicare Part D claims for 52 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.