Adam Fiterstein, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

216649 Issued in NY

Practice address

100 E 77TH St
New York, NY 10021-1850

Phone

(212) 434-2650

Fax

(212) 434-4512

NPI assigned

May 2, 2006

Sex

Male

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 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

Emergency MedicineAlso: Internal Medicine

Education

Other, 1996

Medicare assignment

May accept Medicare assignment

Group practices

Optum Urgent Care PLLCGroup PAC ID 8628299518, 68 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Optum Urgent Care, PLLC

  • Urgent Care Clinic/Center
  • Jericho, NY
  • NPI 1285975797
  Medicare reassignment Care Compare group NPD
• Optum Medical Care, P.C.

  • Cardiovascular Disease Physician
  • Mount Kisco, NY
  • NPI 1982643003
  Medicare reassignment NPD
• Optum Medical Care, P.C.

  • Durable Medical Equipment & Medical Supplies
  • New Hyde Park, NY
  • NPI 1053190595
  NPD
• LH Emergency Medical Services PC

  • Emergency Medicine Physician
  • New York, NY
  • NPI 1154379808
  NPD (past)

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

{
    "created_epoch": "1146528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1215995055",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 E 77TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100211850",
            "telephone_number": "212-434-2650",
            "fax_number": "212-434-4512"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 E 77TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100211850",
            "telephone_number": "212-434-2650",
            "fax_number": "212-434-4512"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FITERSTEIN",
        "first_name": "ADAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "216649",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02094535",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Fit Club Inc
• Fit in Health LLC
• Fit4D LLC
• Elizabeth Murphy Fitelson, M.D.
• Ryan Joseph Fiter
• Gerald Fiterstein, D.D.S.
• Fitness4Diabetics Ipa Inc.
• Fitpal, LLC
• Fitt Family Counseling LLC
• Karen Fittinghoff

• Internal Medicine Physician in New York, NY
• Providers in New York, NY by specialty
• Internal Medicine Physician in New York

• 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.
• 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.