Margaret Harrington, M.D.
NPI 1053530964 · Anesthesiology Physician · San Rafael, CA
Margaret Harrington, M.D. is a Anesthesiology Physician provider in San Rafael, CA (NPI 1053530964).
Provider details
- NPI number
- 1053530964
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G24999 (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
- 2007-04-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Harrington's NPI number?
- Margaret Harrington's National Provider Identifier (NPI) is 1053530964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Harrington's specialty?
- Margaret Harrington is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Harrington located?
- Margaret Harrington's practice location on file with NPPES is 901 E St, San Rafael, CA 94901-2850.
- What is Margaret Harrington's phone number?
- The practice phone number listed in the NPPES registry for Margaret Harrington is (415) 460-9926.
- Is Margaret Harrington's NPI active?
- Yes — Margaret Harrington's NPI (1053530964) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.