Nicholas Heiniger, M.D.
Pediatric Endocrinology Physician · San Francisco, CA
Nicholas Heiniger, M.D. is a pediatric endocrinology physician with a practice address in San Francisco, California, and NPI 1801117221, issued on Jun 21, 2010. Check the license (California A123283, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nicholas Heiniger
- Credential
- M.D.
- Primary taxonomy
- Pediatric Endocrinology Physician 2080P0205X
- License numbers
- A123283 CA
4301096069 MI
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 502-8231
- Enumerated
- Jun 21, 2010
- Record last updated
- Jun 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (415) 502-4189
- Entity
- Type 1 · individual
8 nearest pediatric endocrinology physician records → All 207 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
- Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
- Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
- Abul Abbas, MBBSAnatomic Pathology Physician1881652964
- Jesse Abelson, MDInternal Medicine Physician1083843817
- Rhonald AbitonaAcute Care Nurse Practitioner1164993473
Verify Nicholas Heiniger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nicholas Heiniger among 207 pediatric endocrinology physician records in California
Nicholas Heiniger, M.D. is one of 207 pediatric endocrinology physician records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 34% newer
- In a Medicare fileNo · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2013 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Endocrinology Physician providers in California
There are 207 pediatric endocrinology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 207 in California → Every provider in San Francisco → Pediatric Endocrinology Physician nationwide →
The 8 pediatric endocrinology physician records with the nearest ZIP codes
- Saleh Adi, M.D.San Francisco, CA 941431598782336
- Hannah Chesser, M.D.San Francisco, CA 941431104204767
- Abby Cobb-Walch, MDSan Francisco, CA 941431215355581
- Stephen Gitelman, M.D.San Francisco, CA 941431063440980
- Roger Long, M.D.San Francisco, CA 941431285641449
- Robert Lustig, MDSan Francisco, CA 941431790708576
- Avni Shah, MDSan Francisco, CA 941431699938928
- Martin Thelin, MD, PHDSan Francisco, CA 941431225562440
Common questions
What is Nicholas Heiniger, M.D.'s NPI number?
Nicholas Heiniger, M.D.'s National Provider Identifier (NPI) is 1801117221, issued on Jun 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Heiniger, M.D. located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 502-8231. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Heiniger, M.D.'s license?
NPPES lists California license number A123283, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.