Gregory W. Little, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

152869 Issued in MA

Practice address

150 Infirmary Way
Amherst, MA 01003-9288

Phone

(413) 577-5000

Fax

(413) 577-5440

NPI assigned

Mar 3, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 7

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Umass Health Services Amherst

  • Family Medicine Physician
  • Amherst, MA
  • NPI 1487688677
  NPD (past)

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

{
    "created_epoch": "1141344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1053388587",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 INFIRMARY WAY",
            "city": "AMHERST",
            "state": "MA",
            "postal_code": "010039288",
            "telephone_number": "413-577-5000",
            "fax_number": "413-577-5440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 INFIRMARY WAY",
            "city": "AMHERST",
            "state": "MA",
            "postal_code": "010039288",
            "telephone_number": "413-577-5000",
            "fax_number": "413-577-5440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LITTLE",
        "first_name": "GREGORY",
        "middle_name": "W.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "152869",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "152869",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "152869",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "152869",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "204283",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS",
            "identifier": "799145",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTH NEW ENGLAND",
            "identifier": "29065",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBSMA",
            "identifier": "J19517",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "1130375",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "4408554001",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CONNECTICARE",
            "identifier": "152869",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Deborah Jai Levy, LICSW
• Stacey A Lewis
• Virginia Lewis, M. ED.
• Jennifer Marie Lexington
• Hui Li
• Geoffrey Walker Locke, LICSW
• Melissa Ann Lodzieski, ANP-BC
• Susan W Looze, P.T.
• Heather A Lord
• Karen Lee Lowing, COTA/R

• Pediatrics Physician in Amherst, MA
• Providers in Amherst, MA by specialty
• Pediatrics Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.