Individual provider Active NPI

Melanie M Gnazzo, MD

  • Family Medicine Physician
  • Worcester, MA
National Provider Identifier
1962646083
Registry record updated May 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
249959 Issued in MA
Practice address
26 Queen St
Family Practice 2
Worcester, MA 01610-2473
Phone
(508) 860-7700
Fax
(508) 860-7929
NPI assigned
Apr 21, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 249959 MA Primary

Addresses

Primary practice location

26 Queen St
Family Practice 2
Worcester, MA 01610-2473

Mailing address

26 Queen St
Worcester, MA 01610-2473
Phone (508) 860-7700

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20120920000697 MA Practitioner - Family Practice 9133377856 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2009
Medicare assignment
May accept Medicare assignment
Group practices
Family Health Center of Worcester, Inc.Group PAC ID 4789670985, 94 clinicians

Practice addresses (Care Compare)

26 Queen St
Worcester, MA 01610-2473
Phone (508) 860-7800

Hospital & facility affiliations

  • Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
249959MAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Family Health Center of Worcester, Inc. CurrentSince Jul 16, 2012 Accepting new patients
Family Health Center of Worcester, Inc. CurrentSince Jul 16, 2012 Accepting new patients
Umass Memorial Medical Center, Inc. Past Accepting new patients

Locations

26 Queen St
Worcester, MA 01610
Phone (508) 860-7700

26 Queen St
#2
Worcester, MA 01610
Phone (508) 860-7700

Interoperability endpoints

  • Direct secure messaging: mgnazzo47847@direct.ctc.masshiway.net

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1240272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1962646083",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26 QUEEN ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016102473",
            "telephone_number": "508-860-7700",
            "fax_number": "508-661-3046"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26 QUEEN ST",
            "address_2": "FAMILY PRACTICE 2",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016102473",
            "telephone_number": "508-860-7700",
            "fax_number": "508-860-7929"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GNAZZO",
        "first_name": "MELANIE",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-04-21",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "249959",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.