Lillian Flanagan, PA
NPI 1679987226 · Medical Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Flanagan, PA is a Medical Physician Assistant provider in Boston, MA (NPI 1679987226).
Provider details
- NPI number
- 1679987226
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA5026 (MA)
Specialties & taxonomies
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
12 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
- 2014-06-11
- Last updated
- 2023-11-22
- Certified
- 2023-11-22
Frequently asked questions
- What is Lillian Flanagan's NPI number?
- Lillian Flanagan's National Provider Identifier (NPI) is 1679987226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Flanagan's specialty?
- Lillian Flanagan is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lillian Flanagan located?
- Lillian Flanagan's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215-5450.
- What is Lillian Flanagan's phone number?
- The practice phone number listed in the NPPES registry for Lillian Flanagan is (617) 582-7178.
- Does Lillian Flanagan accept Medicare?
- Lillian Flanagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Flanagan's NPI active?
- Yes — Lillian Flanagan's NPI (1679987226) is active in the NPPES registry as of the last update on 2023-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.