Brian Gilliss, M.D. M.S.
NPI 1477833291 · Anesthesiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Gilliss, M.D. M.S. is a Anesthesiology Physician provider in San Francisco, CA (NPI 1477833291).
Provider details
- NPI number
- 1477833291
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. M.S.
- Sex
- Male
- Sole proprietor
- No
- License
- 119145 (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
14 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
- 2011-08-24
- Last updated
- 2021-12-21
Frequently asked questions
- What is Brian Gilliss's NPI number?
- Brian Gilliss's National Provider Identifier (NPI) is 1477833291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Gilliss's specialty?
- Brian Gilliss is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Gilliss located?
- Brian Gilliss's practice location on file with NPPES is 4150 Clement St, San Francisco, CA 94121-1563.
- What is Brian Gilliss's phone number?
- The practice phone number listed in the NPPES registry for Brian Gilliss is (415) 221-4810.
- Does Brian Gilliss accept Medicare?
- Brian Gilliss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Gilliss's NPI active?
- Yes — Brian Gilliss's NPI (1477833291) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.