Sylvia Stellmacher, MD
NPI 1982233771 · Critical Care Medicine (Internal Medicine) Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Stellmacher, MD is a Critical Care Medicine (Internal Medicine) Physician provider in San Francisco, CA (NPI 1982233771).
Provider details
- NPI number
- 1982233771
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A187260 (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
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
- 2020-04-03
- Last updated
- 2023-06-23
- Certified
- 2023-06-23
Frequently asked questions
- What is Sylvia Stellmacher's NPI number?
- Sylvia Stellmacher's National Provider Identifier (NPI) is 1982233771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Stellmacher's specialty?
- Sylvia Stellmacher is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvia Stellmacher located?
- Sylvia Stellmacher's practice location on file with NPPES is 513 Parnassus Ave # 111, San Francisco, CA 94143-2205.
- What is Sylvia Stellmacher's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Stellmacher is (154) 760-7354.
- Does Sylvia Stellmacher accept Medicare?
- Sylvia Stellmacher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Stellmacher's NPI active?
- Yes — Sylvia Stellmacher's NPI (1982233771) is active in the NPPES registry as of the last update on 2023-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.