Svetlana Troitskaia-Williams, MD
NPI 1922145671 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Svetlana Troitskaia-Williams, MD is a Psychiatry Physician provider in San Francisco, CA (NPI 1922145671).
Provider details
- NPI number
- 1922145671
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A81124 (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
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
- 2007-01-31
- Last updated
- 2026-01-09
- Certified
- 2026-01-09
Frequently asked questions
- What is Svetlana Troitskaia-Williams's NPI number?
- Svetlana Troitskaia-Williams's National Provider Identifier (NPI) is 1922145671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Svetlana Troitskaia-Williams's specialty?
- Svetlana Troitskaia-Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Svetlana Troitskaia-Williams located?
- Svetlana Troitskaia-Williams's practice location on file with NPPES is 842 California St, San Francisco, CA 94108-2315.
- What is Svetlana Troitskaia-Williams's phone number?
- The practice phone number listed in the NPPES registry for Svetlana Troitskaia-Williams is (415) 391-7703.
- Does Svetlana Troitskaia-Williams accept Medicare?
- Svetlana Troitskaia-Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Svetlana Troitskaia-Williams's NPI active?
- Yes — Svetlana Troitskaia-Williams's NPI (1922145671) is active in the NPPES registry as of the last update on 2026-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.