Matthew Aaron Demary

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

251 Fenn St
Pittsfield, MA 01201-5269

Phone

(413) 770-9777

NPI assigned

Aug 21, 2025

Sex

Male

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1755734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1508744301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "251 FENN ST",
            "city": "PITTSFIELD",
            "state": "MA",
            "postal_code": "012015269",
            "telephone_number": "413-770-9777",
            "fax_number": "413-770-9777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 FENN ST",
            "city": "PITTSFIELD",
            "state": "MA",
            "postal_code": "012015269",
            "telephone_number": "413-770-9777"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "74 2nd St",
            "address_purpose": "LOCATION",
            "city": "Pittsfield",
            "state": "MA",
            "postal_code": "012015251",
            "country_code": "US",
            "telephone_number": "413-770-9777",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEMARY",
        "first_name": "MATTHEW",
        "middle_name": "AARON",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-08-21",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Andrew J Demaggio, MD
• Katherine Carroll Demarco
• Virginia Demarco, RN
• Demartino Physical Therapy LLC
• Anthony A Demartino, PT
• Michael R Dematteo, MD
• Nicole E Demby
• Brian J Dempsey, MD
• Ryan Dempsey, MSW
• Lara S Denmark, MA, LMHC

• Mental Health Counselor in Pittsfield, MA
• Providers in Pittsfield, MA by specialty
• Mental Health Counselor in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.