Robert P. Herwick, MD
Specialist · San Francisco, CA
Robert P. Herwick, MD is a specialist with a practice address in San Francisco, California, and NPI 1437236452, issued on Nov 1, 2006. Check the license (California G16902, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert P. Herwick
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- G16902 CA
Self-reported in NPPES; status is on the state search - Practice location
- 490 Post Street, San Francisco, CA 94102
- Phone
- (415) 362-2238
- Enumerated
- Nov 1, 2006
- Record last updated
- Oct 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (415) 362-7745
- Medicare enrollment
- Enrolled (PECOS I20080723000239); may accept Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1968
- Entity
- Type 1 · individual
Also registered at 490 Post Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert P. Herwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G16902Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Dermatology Medical Group OF San Francisco IncSan 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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Common questions
What is Robert P. Herwick, MD's NPI number?
Robert P. Herwick, MD's National Provider Identifier (NPI) is 1437236452, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert P. Herwick, MD located?
The NPPES record lists a practice address at 490 Post Street, San Francisco, CA, 94102. Phone: (415) 362-2238. Providers update this record themselves, so call before visiting.
How can I verify Robert P. Herwick, MD's license?
NPPES lists California license number G16902, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.