Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Maine Medical Partners

Q: What is the NPI number for Maine Medical Partners?

The NPI for Maine Medical Partners is 1124335591, a Type 2 (organization) record in the CMS NPPES registry.

Orthopaedic Trauma Physician in Portland, ME · enumerated 2010 · authorized official Stephen Kasabian, President & Ceo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1124335591

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Registry record

Entity type Organization (Type 2)

Legal business name Maine Medical Partners

Other name <Unavail>

Practice address 335 Brighton Ave, Suite 200, Portland, ME, 04102

Phone (207) 662-8600

Fax (207) 662-8668

Enumeration date Sep 8, 2010

Last updated in NPPES Oct 10, 2014

Taxonomy & classification

207XX0801X Orthopaedic Trauma Physician Allopathic & Osteopathic Physicians Primary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

Authorized official

Name Stephen Kasabian

Title President & Ceo

Phone (207) 396-8600

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Who is the authorized official for Maine Medical Partners?

NPPES lists Stephen Kasabian (President & Ceo) as the authorized official for this organization.

What is the NPI number for Maine Medical Partners?

The NPI for Maine Medical Partners is 1124335591, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

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Nathan Haynes Surgical Physician Assistant · Portland, ME NPI 1598755258 Southern Maine Physical Medicine and Rehabilitation, Pllc Sports Medicine (Neuromusculoskeletal Medicine) Physician · Portland, ME NPI 1487691879 Jessica Morse Internal Medicine Physician · Portland, ME NPI 1417967126 Earl Ireland Clinical Psychologist · Portland, ME NPI 1447263819 William Williams Pulmonary Disease Physician · Portland, ME NPI 1952404196 Jonathan Karol Emergency Medicine Physician · Portland, ME NPI 1528165420 Robert Haile Physical Medicine & Rehabilitation Physician · Portland, ME NPI 1457458515 Meredith Bennet Emergency Medicine Physician · Portland, ME NPI 1598865404

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-10.