KAREN ANN SULLIVAN CNM, FNP
NPI 1245259134
Advanced Practice Midwife in Biddeford, ME
About Karen Ann Sullivan Cnm, Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN ANN SULLIVAN CNM, FNP (NPI 1245259134) is an individual advanced practice midwife in Biddeford, Maine, licensed in Maine (CNM82012) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Biddeford.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karen Ann Sullivan Cnm, Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Karen Sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Biddeford, ME 04005
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BIDDEFORD, ME 04005
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 Karen Sullivan's NPI number?
The NPI number for Karen Sullivan is 1245259134. It was assigned to this individual provider in the NPPES registry on July 19, 2006. The provider is also known as Karen A Stewart Cnm.
Where is Karen Sullivan located?
Karen Sullivan practices at 9 Healthcare Dr Ste 101, Biddeford, ME 04005. The listed phone number is (207) 282-4270.
What is Karen Sullivan's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Karen Sullivan enrolled in Medicare?
Yes. Karen Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karen Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Sullivan reassigns Medicare benefits to 2 organizations: Mainehealth (Biddeford, ME) and New York University (Boynton Beach, FL). 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 Karen Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Sullivan accept?
Health plans from Ambetter from NH Healthy Families and Harvard Pilgrim Health Care list Karen Sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Karen Sullivan affiliated with any hospitals?
According to CMS data, Karen Sullivan is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Karen Sullivan was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Karen Ann Sullivan, CNM, FNP · NPI 1245259134
Advanced Practice Midwife physician in Biddeford, Maine. Individual provider, active in the CMS NPPES registry since July 19, 2006.
## Identity
- **NPI:** 1245259134 (Entity type: Individual)
- **Enumerated:** July 19, 2006
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** CNM82012 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 9 HEALTHCARE DR STE 101, Biddeford, ME 04005-9445
- **Phone:** (207) 282-4270 · **Fax:** (207) 294-8332
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mainehealth (NPI 1215417019, Biddeford, ME); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** January 13, 2026
- **Other identifiers:** Medicaid 404090099 (ME)
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Source: [NPI Profile](https://npiprofile.com/npi/1245259134) · Data from the CMS NPPES public registry.