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Certified Nurse Midwife (CNM)

Karen A. Sullivan, CNM

Works at hospitals in Portland, ME · Maine

Summary

Karen A. Sullivan, CNM (Certified Nurse Midwife (CNM)) is listed by Medicare at 1 hospital in Portland, ME. NPI 1245259134. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Karen A. Sullivan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Certified Nurse Midwife (CNM)Primary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
FemaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does Karen A. Sullivan work at?
Medicare's official clinician data lists Karen A. Sullivan at 1 hospital: MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karen A. Sullivan see patients?
Medicare's clinician data lists 2 practice locations, including Portland, ME and Biddeford, ME. Call before your visit to confirm the address.
What is Karen A. Sullivan's specialty?
Medicare lists Certified Nurse Midwife (CNM) as the primary specialty.
Does Karen A. Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Karen A. Sullivan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Karen A. Sullivan?
(207) 283-0998, as listed in official Medicare / NPI Registry data.
What is Karen A. Sullivan's NPI number?
1245259134. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karen A. Sullivan works

Medicare's Facility Affiliation Data lists Karen A. Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Karen A. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Karen A. Sullivan as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other clinicians: Certified Nurse Midwife (CNM), Maine →

Other nurse midwifes in Portland

Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.

All nurse midwifes in Portland →

Clinician information

CredentialCNM
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245259134
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians