Margaret Y Matthews, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

LC23146 Issued in ME

Practice address

901 Washington Ave Ste 100
Portland, ME 04103-2842

Phone

(207) 871-1200

Fax

(207) 871-1232

NPI assigned

Sep 8, 2021

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in ME

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Boston University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Mid Coast Hospital Hospital, Brunswick, ME, CCN 200021

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Mainehealth

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  Medicare reassignment Care Compare group
• Mainehealth

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  • Internal Medicine Physician
  • Windham, ME
  • NPI 1023321593
  NPD
• Spurwink Services Incorporated

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Portland, ME
  • NPI 1316945090
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mainehealth

  • General Acute Care Hospital
  • Brunswick, ME
  • NPI 1932164795
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1631059200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1811666340",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 WASHINGTON AVE STE 100",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041032842",
            "telephone_number": "207-871-1200",
            "fax_number": "207-871-1232"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 WASHINGTON AVE STE 100",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041032842",
            "telephone_number": "207-871-1200",
            "fax_number": "207-871-1232"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "22 Station Ave Ste 101",
            "address_purpose": "LOCATION",
            "city": "Brunswick",
            "state": "ME",
            "postal_code": "040112092",
            "country_code": "US",
            "telephone_number": "207-373-6848",
            "fax_number": "207-618-5680",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATTHEWS",
        "first_name": "MARGARET",
        "middle_name": "Y",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-08",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "ME",
            "license": "LC23146",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashley Taylor Matlock
• Simbarashe Matoi, MB BCH BAO
• Punit Matta, MD
• Paul Kenneth Matteson, MS.ED., L.C.P.C.
• Beth Matthews, LMT
• Sacha D Matthews, M.D.
• Stephen Maturo, MD
• Jannett Matusiak, MT
• Rachel H Matusko, FNP-C
• Cody Mauch

• Clinical Social Worker in Portland, ME
• Providers in Portland, ME by specialty
• Clinical Social Worker in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.