MARY ELIZABETH SULLIVAN MSN, APRN, BC
NPI 1245451814
Nurse Practitioner - Adult Health in Hyannis, MA
About Mary Elizabeth Sullivan Msn, Aprn, Bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELIZABETH SULLIVAN MSN, APRN, BC (NPI 1245451814) is an individual adult health provider in Hyannis, Massachusetts, licensed in Massachusetts (174431) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Elizabeth Sullivan Msn, Aprn, Bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mary Sullivan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 678 clinicians in this Medicare group
Falmouth, MA 02540
- Reassigned Medicare billing, Massachusetts enrollment
- 238 clinicians in this Medicare group
Plymouth, MA 02360
- Reassigned Medicare billing, Massachusetts enrollment
- 239 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Sullivan's NPI number?
The NPI number for Mary Sullivan is 1245451814. It was assigned to this individual provider in the NPPES registry on May 1, 2007.
Where is Mary Sullivan located?
Mary Sullivan practices at 27 Park St, Hyannis, MA 02601. The listed phone number is (774) 482-5674.
What is Mary Sullivan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Mary Sullivan enrolled in Medicare?
Yes. Mary Sullivan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Sullivan reassigns Medicare benefits to 3 organizations: Physicians Of Cape Cod Hospital (Hyannis, MA), Physicians Of Falmouth Hospital (Falmouth, MA) and Jordan Physician Associates, Inc. (Plymouth, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Sullivan was last updated on June 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Elizabeth Sullivan, MSN, APRN, BC · NPI 1245451814
Adult Health physician in Hyannis, Massachusetts. Individual provider, active in the CMS NPPES registry since May 1, 2007.
## Identity
- **NPI:** 1245451814 (Entity type: Individual)
- **Enumerated:** May 1, 2007
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 174431 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 27 PARK ST, Hyannis, MA 02601-5230
- **Phone:** (774) 482-5674 · **Fax:** (508) 862-7397
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Physicians Of Cape Cod Hospital (NPI 1679832364, Hyannis, MA); Physicians Of Falmouth Hospital (NPI 1821363698, Falmouth, MA); Jordan Physician Associates, Inc. (NPI 1538145131, Plymouth, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 4, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1245451814) · Data from the CMS NPPES public registry.