Melissa Robbins Mahr, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

205104 Issued in MA

Practice address

77 W Main St Ste 204
Hopkinton, MA 01748-1689

Phone

(508) 731-2570

Fax

(508) 544-2859

NPI assigned

Jul 18, 2006

Last updated

Sep 3, 2025By the provider in NPPES

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

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

Tufts University School of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Milford Regional Physician Group, Inc.Group PAC ID 5597679449, 219 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Preferred Transitions Home Health Care Inc Home health agency, Milford, MA, CCN 227666
• Vna and Hospice of Greater Milford Home health agency, Milford, MA, CCN 227063
• Milford Regional Medical Center Hospital, Milford, MA, CCN 220090
• Metrowest Medical Center Hospital, Framingham, MA, CCN 220175
• Marlborough Hospital Hospital, Marlborough, MA, CCN 220049
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

• Milford Regional Physician Group, Inc.

  • Internal Medicine Physician
  • Milford, MA
  • NPI 1902856024
  Medicare reassignment Care Compare group NPD
• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  Medicare reassignment Care Compare group NPD
• Milford Regional Physician Group, Inc.

  dba Sports Medicine & Wellness in Medway

  • Sports Medicine (Family Medicine) Physician
  • Medway, MA
  • NPI 1508681321
  NPD
• Umass Memorial Medical Group, Inc.

  dba Urgent Care Express at Harrington

  • Urgent Care Clinic/Center
  • Oxford, MA
  • NPI 1982381018
  NPD
• Johns Hopkins Community Physicians, Inc

  dba JHCP - 195 Thomas Johnson Drive

  • Family Medicine Physician
  • Baltimore, MD
  • NPI 1770518003
  NPD (past)

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

• Marlborough Hospital Corp

  dba Marlborough Hospital

  • Registered Dietitian
  • Marlborough, MA
  • NPI 1104488170

  Hospital

  Care Compare affiliation Name & address match
• Preferred Transitions Home Health Care Inc

  • Home Health Agency
  • Milford, MA
  • NPI 1568828796
  Care Compare affiliation
• Umass Memorial Health-Milford Regional Medical Center Inc

  • General Acute Care Hospital
  • Milford, MA
  • NPI 1477527497
  Care Compare affiliation
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation
• VHS Acquisition Subsidiary Number 9 Inc

  dba MetroWest Medical Center

  • General Acute Care Hospital
  • Framingham, MA
  • NPI 1740252592
  Care Compare affiliation

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

{
    "created_epoch": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756857600000",
    "number": "1164441705",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9 INDUSTRIAL RD STE 5",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573736",
            "telephone_number": "508-473-1480",
            "fax_number": "508-473-2709"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "77 W MAIN ST STE 204",
            "city": "HOPKINTON",
            "state": "MA",
            "postal_code": "017481689",
            "telephone_number": "508-731-2570",
            "fax_number": "508-544-2859"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "169 W Main St",
            "address_purpose": "LOCATION",
            "city": "Hopkinton",
            "state": "MA",
            "postal_code": "017482101",
            "country_code": "US",
            "telephone_number": "508-731-2570",
            "fax_number": "508-625-1354",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAHR",
        "first_name": "MELISSA",
        "middle_name": "ROBBINS",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-18",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "205104",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2080010",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Kimberly Manning, LMHC
• Manual Orthopedic Physical Therapy of Ma, Inc.
• David Connor Marble
• Victoria Rose Martins

• Internal Medicine Physician in Hopkinton, MA
• Providers in Hopkinton, 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 Sep 3, 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.