Alison Rustagi, MD, PHD
NPI 1134623093 · 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)
Alison Rustagi, MD, PHD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1134623093).
Provider details
- NPI number
- 1134623093
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- A166254 (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
8 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
- 2018-03-23
- Last updated
- 2023-09-28
- Certified
- 2022-03-10
Frequently asked questions
- What is Alison Rustagi's NPI number?
- Alison Rustagi's National Provider Identifier (NPI) is 1134623093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Rustagi's specialty?
- Alison Rustagi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alison Rustagi located?
- Alison Rustagi's practice location on file with NPPES is 4150 Clement St, San Francisco, CA 94121-1563.
- What is Alison Rustagi's phone number?
- The practice phone number listed in the NPPES registry for Alison Rustagi is (415) 221-4810.
- Does Alison Rustagi accept Medicare?
- Alison Rustagi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Rustagi's NPI active?
- Yes — Alison Rustagi's NPI (1134623093) is active in the NPPES registry as of the last update on 2023-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.