Margaret Byrne, PA
NPI 1871902411 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Byrne, PA is a Physician Assistant provider in San Francisco, CA (NPI 1871902411).
Provider details
- NPI number
- 1871902411
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 085005222 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2014-08-07
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Margaret Byrne's NPI number?
- Margaret Byrne's National Provider Identifier (NPI) is 1871902411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Byrne's specialty?
- Margaret Byrne is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Byrne located?
- Margaret Byrne's practice location on file with NPPES is 2 Embarcadero Ctr Lbby Level, San Francisco, CA 94111-3823.
- What is Margaret Byrne's phone number?
- The practice phone number listed in the NPPES registry for Margaret Byrne is (888) 663-6331.
- Does Margaret Byrne accept Medicare?
- Margaret Byrne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Byrne's NPI active?
- Yes — Margaret Byrne's NPI (1871902411) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.