Henry Klos III, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

343169 Issued in NY

Practice address

1091 Main St Ste 301
Buffalo, NY 14209-2398

Phone

(716) 626-2644

NPI assigned

Apr 16, 2020

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

Not listed in the public Medicare enrollment file

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.

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.

• General Physician, PC

  • General Practice Physician
  • Dunkirk, NY
  • NPI 1093959322
  NPD

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

{
    "created_epoch": "1586995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1649899956",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "462 GRIDER ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142153021",
            "telephone_number": "716-898-3941",
            "fax_number": "716-898-3279"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1091 MAIN ST STE 301",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142092398",
            "telephone_number": "716-626-2644"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "111 N Maplemere Rd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Williamsville",
            "state": "NY",
            "postal_code": "142213182",
            "country_code": "US",
            "telephone_number": "716-626-2644",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLOS",
        "first_name": "HENRY",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-16",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "343169",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelly Kline, FNP-BC
• Carmela A Kling, FNP
• Alan K Klitzke, MD
• Linda Klopfer, RN
• Elizabeth Klos, PA-C
• Samantha Klos
• Richard Alvin Klose Jr., RPH
• Diana Kloss, LPN
• Meghan Kloss
• Michelle K Klossner, LCSW

• Gastroenterology Physician in Buffalo, NY
• Providers in Buffalo, NY by specialty
• Gastroenterology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.