Gavin Cregg Little, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

10789 Issued in NH

Practice address

118 Portsmouth Ave BLDG D
Stratham, NH 03885-2487

Phone

(603) 778-1620

Fax

(603) 772-8015

NPI assigned

Jun 28, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NH

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 New England, College of Osteo Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Core Physicians LLCGroup PAC ID 2769563253, 290 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Amedisys Home Health Home health agency, Portsmouth, NH, CCN 307006
• Northeast Professional Registry of Nurses, Inc. Home health agency, Exeter, NH, CCN 307021
• Exeter Hospital Inc Hospital, Exeter, NH, CCN 300023
• Wentworth-Douglass Hospital Hospital, Dover, NH, CCN 300018
• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029
• Anna Jaques Hospital Hospital, Newburyport, MA, CCN 220029
• Lahey Hospital & Medical Center, Burlington Hospital, Burlington, MA, CCN 220171

Merit-based Incentive Payment System (MIPS)

Final score

86.36 of 100Reported as apm

Quality

85.92

Promoting interoperability

78

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: glittle489257@direct.bilh.masshiway.net
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Core Physicians, LLC

  • Family Medicine Physician
  • Exeter, NH
  • NPI 1336330588

  Internal Medicine, NH

  Medicare reassignment Care Compare group NPD
• Core Physicians, LLC

  • Durable Medical Equipment & Medical Supplies
  • Plaistow, NH
  • NPI 1528308541
  Care Compare group
• Core Physicians LLC

  • Durable Medical Equipment & Medical Supplies
  • Raymond, NH
  • NPI 1083085724
  NPD
• Anna Jaques Inpatient Services

  • Internal Medicine Physician
  • Newburyport, MA
  • NPI 1295747145

  Internal Medicine

  NPD (past)
• River Valley Infectious Disease Specialists Inc.

  • Infectious Disease Physician
  • Newburyport, MA
  • NPI 1366712002
  NPD (past)
• Seacoast Affiliated Group Practice, Inc.

  • Clinic/Center
  • Newburyport, MA
  • NPI 1801892344
  NPD (past)

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

• Amedisys New Hampshire, L.L.C.

  • Home Health Agency
  • Portsmouth, NH
  • NPI 1326230251
  Care Compare affiliation
• Exeter Hospital Inc

  • General Acute Care Hospital
  • Exeter, NH
  • NPI 1437158433

  Hospital

  Care Compare affiliation
• HCA Health Services of New Hampshire Inc

  • General Acute Care Hospital
  • Portsmouth, NH
  • NPI 1518913607

  Hospital

  Care Compare affiliation
• Northeast Professional Registry of Nurses Inc

  • Home Health Agency
  • Exeter, NH
  • NPI 1659108074
  Care Compare affiliation
• Wentworth Douglass Hospital

  • General Acute Care Hospital
  • Dover, NH
  • NPI 1033118104

  Hospital

  Care Compare affiliation
• Wentworth Douglass Hospital

  • Diabetes Educator Registered Nurse
  • Dover, NH
  • NPI 1407385198

  Hospital

  Care Compare affiliation
• Anna Jaques Hospital

  • General Acute Care Hospital
  • Newburyport, MA
  • NPI 1992779482

  Hospital

  Care Compare affiliation
• Lahey Clinic Hospital, Inc.

  • General Acute Care Hospital
  • Burlington, MA
  • NPI 1558392563

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1151452800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1598792004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4 ALUMNI DR",
            "city": "EXETER",
            "state": "NH",
            "postal_code": "038332118",
            "telephone_number": "603-778-1620",
            "fax_number": "603-772-8015"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "118 PORTSMOUTH AVE BLDG D",
            "city": "STRATHAM",
            "state": "NH",
            "postal_code": "038852487",
            "telephone_number": "603-778-1620",
            "fax_number": "603-772-8015"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LITTLE",
        "first_name": "GAVIN",
        "middle_name": "CREGG",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-28",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MA",
            "license": "157794",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "10789",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "157794",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0167266",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Monique Larouche, MD
• Danielle Stephanie Leclair
• Leitner Chiropractic and Massage Therapy
• Pamela J Leitner, D.C.
• Deena Marie Lewis, MA, LMHC
• Renee Ann Llorente, MA
• Steven P Loh, MD
• Kieran L Lombard
• Joanna A Luchsinger, MD
• Vera Lynskey, MD

• All providers in Stratham, NH
• Internal Medicine Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 16, 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.