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MAINE MEDICAL PARTNERS WESTBROOK FAMILY MEDICINE
NPI 1790896876
Family Medicine in Westbrook, ME

Active since August 31, 2006
1 HARNOIS AVE, WESTBROOK, ME 04092(207) 662-3400(207) 662-3401 Get Directions Write a Review

NPPES record last updated: May 3, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Maine Medical Partners Westbrook Family Medicine NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAINE MEDICAL PARTNERS WESTBROOK FAMILY MEDICINE (NPI 1790896876) is a healthcare organization registered as a family medicine in Westbrook, Maine and active in the NPI registry since August 2006. The organization lists Stephen J Kasabian, President, as its authorized official.

NPPES Registry Identity

NPI1790896876
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameMAINE MEDICAL PARTNERS
Location Address1 HARNOIS AVEWestbrook, ME 04092-4392
Mailing Address300 Southborough Dr, Suite 201South Portland, ME 04106-6914 · (207) 661-2000 · Fax (207) 661-2033
Phone(207) 662-3400
Fax(207) 662-3401
Organization SubpartNo
Authorized OfficialStephen J KasabianPresident · (207) 661-2000
Enumeration DateAugust 31, 2006
Last NPPES UpdateMay 3, 2016
✔ NPI 1790896876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedPhysician AssistantTaxonomy 363A00000X
1 HARNOIS AVE, Westbrook, ME 04092
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Other Names 1

Doing Business AsMaine Medical Partners Westbrook Family Medicine

Other Identifiers 4

Medicaid119910024ME
Medicare PINCA8258ME
Medicare PINMM7534ME
Medicaid30216370NH

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maine Medical Partners Westbrook Family Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

206

Medicare enrollment records show 206 clinicians reassign Medicare billing to Maine Medical Partners Westbrook Family Medicine, which bills Medicare for the services they deliver. Of these, 16 practice at this address and 163 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 17

Family Practice58
Internal Medicine52
Nurse Practitioner36
Pediatric Medicine14
Clinical Social Worker12
Obstetrics/Gynecology10
Hospitalist7
Physical Therapist in Private Practice3
9 other specialties14

Nearest to this location (20)

See all 206
Mikayla Chase, APRN-FNP
Nurse Practitioner
NPI 1417318742
1 HARNOIS AVE
Westbrook, ME 04092
(207) 662-1340
✔ PECOS✔ Accepts MedicareSame address
Caitlin Costigan, FNP-C
Nurse Practitioner
NPI 1740662832
1 HARNOIS AVE
Westbrook, ME 04092
(207) 662-3400
✔ PECOS✔ Accepts MedicareSame address
Jennifer Deane, FNP
Nurse Practitioner
NPI 1265865323
1 HARNOIS AVE 2ND FLOOR
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Chelsea Ginn, FNP
Nurse Practitioner
NPI 1689923104
1 HARNOIS AVE
Westbrook, ME 04092
(207) 662-1340
✔ PECOS✔ Accepts MedicareSame address
Stephen Hayes, M.D.
Internal Medicine
NPI 1255369575
1 HARNOIS AVE
Westbrook, ME 04092
(207) 662-1340
✔ PECOS✔ Accepts MedicareSame address
Donald Medd, MD
Internal Medicine
NPI 1902810294
1 HARNOIS AVE
Westbrook, ME 04092
(207) 662-1340
✔ PECOS✔ Accepts MedicareSame address
Brigitte Salembier, D.O.
Family Practice
NPI 1457797235
1 HARNOIS AVE SUITE 2A
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Carol Squires
Clinical Social Worker
NPI 1942546254
1 HARNOIS AVE SUITE 2A
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Lauren Buoncristiano, APRN, FNP-C
Nurse Practitioner
NPI 1740896901
1 HARNOIS AVE
Westbrook, ME 04092
(207) 662-1340
✔ PECOS✔ Accepts MedicareSame address
Jenna Crutsinger
Nurse Practitioner
NPI 1700435807
1 HARNOIS AVE. SUITE 1B
Westbrook, ME 04092
(207) 662-1340
✔ PECOS✔ Accepts MedicareSame address
Catelin Geiser, FNP
Nurse Practitioner
NPI 1568116804
1 HARNOIS AVE STE 2A
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Ellis Johnson, MD
Internal Medicine
NPI 1215196985
1 HARNOIS AVE
Westbrook, ME 04092
(207) 662-1340
✔ PECOS✔ Accepts MedicareSame address
Marc Kimball, M.D.
Family Practice
NPI 1467815274
1 HARNOIS AVE
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Elizabeth Lehleitner, LCSW
Clinical Social Worker
NPI 1437745387
1 HARNOIS AVE STE 2A
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Darlene Peterson
Family Practice
NPI 1518353945
1 HARNOIS AVE
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Elizabeth Sundborg, FNP
Nurse Practitioner
NPI 1750835377
1 HARNOIS AVE STE 2A
Westbrook, ME 04092
(207) 661-3400
✔ PECOS✔ Accepts MedicareSame address
Pamela Dietz, MD
Pediatric Medicine
NPI 1063515146
1577 CONGRESS ST
Portland, ME 04102
(207) 662-1622
✔ PECOS2.6 mi
Malcolm Creighton-Smith, MD
Dermatology
NPI 1881041556
1601 CONGRESS ST
Portland, ME 04102
(207) 661-0100
✔ PECOS✔ Accepts Medicare2.6 mi
Stephen Craig, LCSW
Clinical Social Worker
NPI 1982079794
MMP INTERNAL MEDICINE AND PEDIATRICS 22 BRAMHALL STREET
Portland, ME 04102
(207) 662-2911
✔ PECOS✔ Accepts Medicare2.9 mi
Heather Gillespie, MD
Sports Medicine
NPI 1861561581
119 GANNETT DR
South Portland, ME 04106
(207) 773-0040
✔ PECOS✔ Accepts Medicare3.1 mi
See all 206 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Maine Medical Partners's NPI number?

The NPI number for Maine Medical Partners is 1790896876. It was assigned to this organization in the NPPES registry on August 31, 2006. The provider is doing business as Maine Medical Partners Westbrook Family Medicine.

Where is Maine Medical Partners located?

Maine Medical Partners is located at 1 Harnois Ave, Westbrook, ME 04092. The listed phone number is (207) 662-3400.

What is Maine Medical Partners's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Maine Medical Partners enrolled in Medicare?

Yes. Maine Medical Partners is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Maine Medical Partners?

According to the CMS Revalidation Reassignment List (October 2026 release), 206 clinicians in 17 Medicare specialties reassign their Medicare billing to Maine Medical Partners. A 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 the clinician's services. The largest specialties are Family Practice (58), Internal Medicine (52) and Nurse Practitioner (36). Of these, 16 practice at this address and 163 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Maine Medical Partners was last updated on May 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.