Chan Nyein Htet, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

338218 Issued in NY

Practice address

1 Healthy Way
Oceanside, NY 11572-1551

Phone

(516) 632-3666

Fax

(516) 632-3667

NPI assigned

Apr 5, 2022

Last updated

Oct 2, 2026By the provider in NPPES

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

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

Internal Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mount Sinai School of MedicineGroup PAC ID 6406096544, 150 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Sinai South Nassau Hospital, Oceanside, NY, CCN 330198

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Networks

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

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mount Sinai School of Medicine

  dba Mount Sinai Marathon Medical

  • Internal Medicine Physician
  • Oceanside, NY
  • NPI 1508127531
  Medicare reassignment Care Compare group
• North Shore Medical Group of the Mount Sinai School of Medicine

  dba Mount Sinai Doctors Long Island

  • Internal Medicine Physician
  • Greenlawn, NY
  • NPI 1275640609
  Medicare reassignment
• South Nassau Communities Hospital

  • General Acute Care Hospital
  • Oceanside, NY
  • NPI 1922079094
  NPD (past)

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

• South Nassau Communities Hospital

  • General Acute Care Hospital
  • Oceanside, NY
  • NPI 1922079094
  Care Compare affiliation

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790899200000",
    "number": "1336880079",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 HEALTHY WAY",
            "city": "OCEANSIDE",
            "state": "NY",
            "postal_code": "115721551",
            "telephone_number": "516-632-3666",
            "fax_number": "516-632-3667"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HEALTHY WAY",
            "city": "OCEANSIDE",
            "state": "NY",
            "postal_code": "115721551",
            "telephone_number": "516-632-3666",
            "fax_number": "516-632-3667"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HTET",
        "first_name": "CHAN NYEIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-05",
        "last_updated": "2026-10-02",
        "certification_date": "2026-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "338218",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Home Instead Rehabilitation Services LLC
• Christopher Horan
• Malissa Horan, LMHC
• Marcia Horowitz, M.A
• Michael S Houston
• Yuwen Hu
• Samuel Y Huang, MD
• Vinson HS Huang, DPM
• Carlton Huggins
• Carlye Husserl

• Internal Medicine Physician in Oceanside, NY
• Providers in Oceanside, 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 Oct 2, 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.