Stephen Weston, M.D.
NPI 1184933418 · Anesthesiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Weston, M.D. is a Anesthesiology Physician provider in San Francisco, CA (NPI 1184933418).
Provider details
- NPI number
- 1184933418
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 121350 (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
15 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
- 2010-10-05
- Last updated
- 2015-12-28
Frequently asked questions
- What is Stephen Weston's NPI number?
- Stephen Weston's National Provider Identifier (NPI) is 1184933418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Weston's specialty?
- Stephen Weston is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Weston located?
- Stephen Weston's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Stephen Weston's phone number?
- The practice phone number listed in the NPPES registry for Stephen Weston is (415) 514-2999.
- Does Stephen Weston accept Medicare?
- Stephen Weston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Weston's NPI active?
- Yes — Stephen Weston's NPI (1184933418) is active in the NPPES registry as of the last update on 2015-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.