Mary Sullivan, MSN, APRN, BC
NPI 1245451814 · Adult Health Nurse Practitioner · Hyannis, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Sullivan, MSN, APRN, BC is a Adult Health Nurse Practitioner provider in Hyannis, MA (NPI 1245451814).
Provider details
- NPI number
- 1245451814
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN, BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 174431 (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
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
- 2007-05-01
- Last updated
- 2020-06-04
- Certified
- 2020-06-04
Frequently asked questions
- What is Mary Sullivan's NPI number?
- Mary Sullivan's National Provider Identifier (NPI) is 1245451814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Sullivan's specialty?
- Mary Sullivan is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Sullivan located?
- Mary Sullivan's practice location on file with NPPES is 27 Park St, Hyannis, MA 02601-5230.
- What is Mary Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Mary Sullivan is (774) 482-5674.
- Does Mary Sullivan accept Medicare?
- Mary Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Sullivan's NPI active?
- Yes — Mary Sullivan's NPI (1245451814) is active in the NPPES registry as of the last update on 2020-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.