Michael R Dematteo, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

48763 Issued in MA

Practice address

725 North St
Pittsfield, MA 01201-4124

Phone

(413) 496-6820

Fax

(413) 496-6821

NPI assigned

Jul 31, 2006

Last updated

Oct 8, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

University of Massachusetts Medical School, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Berkshire Medical Center IncGroup PAC ID 1355232711, 195 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Berkshire Medical Center Hospital, Pittsfield, MA, CCN 220046
• North Adams Regional Hospital Corporation Hospital, North Adams, MA, CCN 221304
• Fairview Hospital Hospital, Great Barrington, MA, CCN 221302

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Berkshire Medical Center, Inc

  • General Acute Care Hospital
  • Pittsfield, MA
  • NPI 1295765261
  Medicare reassignment Care Compare group NPD
• North Adams Regional Hospital Corporation

  • Critical Access Hospital
  • North Adams, MA
  • NPI 1316727761
  Medicare reassignment NPD
• North Adams Regional Hospital Corporation

  • Critical Access Hospital
  • North Adams, MA
  • NPI 1437839669
  Medicare reassignment NPD
• Berkshire Medical Center Inc.

  dba Berkshire Community Pharmacy of North Adams

  • Community/Retail Pharmacy
  • North Adams, MA
  • NPI 1932649753
  NPD
• Baystate Affiliated Practice Organization

  • Internal Medicine Physician
  • Springfield, MA
  • NPI 1043256043
  NPD (past)

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

• Berkshire Medical Center, Inc

  • General Acute Care Hospital
  • Pittsfield, MA
  • NPI 1295765261
  Care Compare affiliation
• Fairview Hospital

  • Critical Access Hospital
  • Great Barrington, MA
  • NPI 1730112251
  Care Compare affiliation
• North Adams Regional Hospital Corporation

  • Critical Access Hospital
  • North Adams, MA
  • NPI 1437839669
  Care Compare affiliation

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

{
    "created_epoch": "1154304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759881600000",
    "number": "1851306278",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 NORTH ST",
            "city": "PITTSFIELD",
            "state": "MA",
            "postal_code": "012014124",
            "telephone_number": "413-496-6820",
            "fax_number": "413-496-6821"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 NORTH ST",
            "city": "PITTSFIELD",
            "state": "MA",
            "postal_code": "012014124",
            "telephone_number": "413-496-6820",
            "fax_number": "413-496-6821"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEMATTEO",
        "first_name": "MICHAEL",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-31",
        "last_updated": "2025-10-08",
        "certification_date": "2025-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "48763",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MA",
            "license": "48763",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3031586",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Katherine Carroll Demarco
• Virginia Demarco, RN
• Demartino Physical Therapy LLC
• Anthony A Demartino, PT
• Matthew Aaron Demary
• Nicole E Demby
• Brian J Dempsey, MD
• Ryan Dempsey, MSW
• Lara S Denmark, MA, LMHC
• Mark Denovellis

• Internal Medicine Physician in Pittsfield, MA
• Providers in Pittsfield, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 8, 2025; 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.