Anna Webster, MD
NPI 1851922900 · Emergency Medicine Physician · San Rafael, CA
Anna Webster, MD is a Emergency Medicine Physician provider in San Rafael, CA (NPI 1851922900).
Provider details
- NPI number
- 1851922900
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G18345 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 38 Newport WaySan Rafael, CA 94901-4411Phone: (415) 847-4098
Registry dates
- Enumerated
- 2020-01-28
- Last updated
- 2020-01-28
- Certified
- 2020-01-28
Frequently asked questions
- What is Anna Webster's NPI number?
- Anna Webster's National Provider Identifier (NPI) is 1851922900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Webster's specialty?
- Anna Webster is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Webster located?
- Anna Webster's practice location on file with NPPES is 1600 Los Gamos Dr Ste 220, San Rafael, CA 94903-1842.
- What is Anna Webster's phone number?
- The practice phone number listed in the NPPES registry for Anna Webster is (415) 473-3643.
- Is Anna Webster's NPI active?
- Yes — Anna Webster's NPI (1851922900) is active in the NPPES registry as of the last update on 2020-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.