Muhammad Obaid Niaz, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

338012 Issued in NY

Practice address

515 Main St
Olean, NY 14760-1513

Phone

(716) 373-2600

NPI assigned

Mar 27, 2022

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, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Olean General HospitalGroup PAC ID 9133111784, 78 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Olean General Hospital Hospital, Olean, NY, CCN 330103
• Olean General Hospital Nursing home, CCN 33U103

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Olean General Hospital

  • General Practice Physician
  • Bradford, PA
  • NPI 1649296781

  NY

  Medicare reassignment Care Compare group NPD
• Roswell Park Cancer Institute

  • Multi-Specialty Clinic/Center
  • Buffalo, NY
  • NPI 1720036593
  Medicare reassignment
• Olean General Hospital

  • General Practice Physician
  • Olean, NY
  • NPI 1033499017

  Internal Medicine

  NPD
• Olean General Hospital

  • General Acute Care Hospital
  • Olean, NY
  • NPI 1225083074
  NPD (past)

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

• Olean General Hospital

  • General Acute Care Hospital
  • Olean, NY
  • NPI 1225083074
  Care Compare affiliation
• Olean General Hospital

  • Medicare Defined Swing Bed Hospital Unit
  • Olean, NY
  • NPI 1699715904
  Care Compare affiliation

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

{
    "created_epoch": "1648339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772496000000",
    "number": "1154071645",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "515 MAIN ST",
            "city": "OLEAN",
            "state": "NY",
            "postal_code": "147601598",
            "telephone_number": "716-373-2600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "515 MAIN ST",
            "city": "OLEAN",
            "state": "NY",
            "postal_code": "147601513",
            "telephone_number": "716-373-2600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Elm and Carlton St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142630001",
            "country_code": "US",
            "telephone_number": "716-845-2300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIAZ",
        "first_name": "MUHAMMAD OBAID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-27",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "338012",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jill Diane Nelson, PA-C
• Kathryn Anne Nelson, PA
• Nephrology Services Medical Group of Olean & Bradford, PC
• Jennifer Neu
• Tam H Ngo
• Kristen Nodler
• Brandy Jane Nolder, RN
• Jodie Noll, LMT
• Catrina Nicole Noniewicz, NP
• Ian M Normand

• Internal Medicine Physician in Olean, NY
• Providers in Olean, 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 Mar 3, 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.