Margaret Eagan, MD
NPI 1386639656 · Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Eagan, MD is a Endocrinology, Diabetes & Metabolism Physician provider in San Francisco, CA (NPI 1386639656).
Provider details
- NPI number
- 1386639656
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 33365 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 501 Folsom StSan Francisco, CA 94105-3174Phone: (844) 847-8216
- 221 E Oak St Unit DFort Collins, CO 80524-3969Phone: (303) 921-3297
Registry dates
- Enumerated
- 2005-09-13
- Last updated
- 2023-03-23
- Certified
- 2023-03-23
Frequently asked questions
- What is Margaret Eagan's NPI number?
- Margaret Eagan's National Provider Identifier (NPI) is 1386639656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Eagan's specialty?
- Margaret Eagan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Eagan located?
- Margaret Eagan's practice location on file with NPPES is 201 California St Ste 1300, San Francisco, CA 94111-5015.
- What is Margaret Eagan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Eagan is (844) 847-8216.
- Does Margaret Eagan accept Medicare?
- Margaret Eagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Eagan's NPI active?
- Yes — Margaret Eagan's NPI (1386639656) is active in the NPPES registry as of the last update on 2023-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.