Margaret Hanrahan, ARNP
NPI 1417986597 · Adult Health Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Hanrahan, ARNP is a Adult Health Nurse Practitioner provider in Seattle, WA (NPI 1417986597).
Provider details
- NPI number
- 1417986597
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP30005015 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
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
- 2006-07-01
- Last updated
- 2011-06-24
Frequently asked questions
- What is Margaret Hanrahan's NPI number?
- Margaret Hanrahan's National Provider Identifier (NPI) is 1417986597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Hanrahan's specialty?
- Margaret Hanrahan is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Hanrahan located?
- Margaret Hanrahan's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2499.
- What is Margaret Hanrahan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Hanrahan is (206) 744-3000.
- Does Margaret Hanrahan accept Medicare?
- Margaret Hanrahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Hanrahan's NPI active?
- Yes — Margaret Hanrahan's NPI (1417986597) is active in the NPPES registry as of the last update on 2011-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.