Robert Herwick, MD
NPI 1437236452 · Specialist · San Francisco, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Herwick, MD is a Specialist provider in San Francisco, CA (NPI 1437236452).
Provider details
- NPI number
- 1437236452
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G16902 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2012-10-09
Frequently asked questions
- What is Robert Herwick's NPI number?
- Robert Herwick's National Provider Identifier (NPI) is 1437236452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Herwick's specialty?
- Robert Herwick is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Robert Herwick located?
- Robert Herwick's practice location on file with NPPES is 490 Post Street, San Francisco, CA 94102.
- What is Robert Herwick's phone number?
- The practice phone number listed in the NPPES registry for Robert Herwick is (415) 362-2238.
- Does Robert Herwick accept Medicare?
- Robert Herwick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Herwick's NPI active?
- Yes — Robert Herwick's NPI (1437236452) is active in the NPPES registry as of the last update on 2012-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.