Michael C Barth, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

185910 Issued in NY

Practice address

1488 Wantagh Ave
Wantagh, NY 11793-2204

Phone

(516) 785-6800

Fax

(516) 785-2121

NPI assigned

Nov 8, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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

GastroenterologyAlso: Internal Medicine

Education

Other, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Gastrointestinal Care of Long Island PLLCGroup PAC ID 7517042211, 175 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as group

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (1 of 5)

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H9678

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/BGADCA/Endpoint/BGADCA
• Direct secure messaging: michael.barth.1@24721.direct.athenahealth.com

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.

• Gastrointestinal Care of Long Island PLLC

  • Gastroenterology Physician
  • Massapequa, NY
  • NPI 1265571863

  Gastroenterology, NY

  Medicare reassignment Care Compare group NPD
• Diamond Medical Group, P.C.

  • Gastroenterology Physician
  • Wantagh, NY
  • NPI 1760664395

  NY

  Medicare reassignment Authorized official

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

{
    "created_epoch": "1131408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1104807130",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 57",
            "city": "BELLMORE",
            "state": "NY",
            "postal_code": "117100057",
            "telephone_number": "516-785-6800",
            "fax_number": "516-785-2121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1488 WANTAGH AVE",
            "city": "WANTAGH",
            "state": "NY",
            "postal_code": "117932204",
            "telephone_number": "516-785-6800",
            "fax_number": "516-785-2121"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARTH",
        "first_name": "MICHAEL",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-11-08",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "185910",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "185910",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julianne Margaret Barredo
• Stacey Lee Barrett, R.N.
• Kathryn Barry, DPT
• Carly Erin Glick Barth, M.D.
• Eric Robert Barth, M.D.
• Vasiliki Batalias
• Leslie Gary Batnick, DDS
• Baxter and Walsh Physical Therapy PC
• Shoshana Tzipporah Bazini, PT
• Juliette Beausoleil

• All providers in Wantagh, NY
• Internal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.