Joseph S Thomas, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

291514 Issued in NY

Practice address

100 High Street
Buffalo General Hospital
Buffalo, NY 14203

Phone

(716) 859-5600

Fax

(716) 817-1724

NPI assigned

Apr 6, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 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

Internal Medicine

Education

State University of New York at Buffalo School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sisters of Charity Hospital of Buffalo New YorkGroup PAC ID 6204749153, 160 clinicians

Mercy Hospital of BuffaloGroup PAC ID 8729991666, 198 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital of Buffalo Hospital, Buffalo, NY, CCN 330279
• Sisters of Charity Hospital Hospital, Buffalo, NY, CCN 330078

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: production@direct.buffalomedicalgroup.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.

• Mercy Hospital of Buffalo

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1164464921
  Medicare reassignment Care Compare group NPD
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1790727543
  Medicare reassignment Care Compare group NPD
• Buffalo Medical Group, P.C.

  • Family Medicine Physician
  • Williamsville, NY
  • NPI 1881659506

  Internal Medicine

  Medicare reassignment NPD
• Kenmore Mercy Hospital

  • General Acute Care Hospital
  • Kenmore, NY
  • NPI 1770598104
  Medicare reassignment NPD
• Mount St. Mary'S Hospital of Niagara Falls

  • General Acute Care Hospital
  • Lewiston, NY
  • NPI 1043394745
  Medicare reassignment NPD
• Buffalo Medical Group, P.C.

  • Durable Medical Equipment & Medical Supplies
  • Lockport, NY
  • NPI 1982566782
  NPD
• Kenmore Mercy Hospital

  • Pulmonary Disease Physician
  • Kenmore, NY
  • NPI 1659909752
  NPD
• Mercy Hospital of Buffalo

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1851929954
  NPD
• Mount St. Mary'S Hospital of Niagara Falls

  • General Acute Care Hospital
  • Lewiston, NY
  • NPI 1184252751

  Internal Medicine

  NPD
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Cheektowaga, NY
  • NPI 1043455199
  NPD

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

• Mercy Hospital of Buffalo

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1164464921
  Care Compare affiliation
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Cheektowaga, NY
  • NPI 1043455199
  Care Compare affiliation
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1790727543
  Care Compare affiliation

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

{
    "created_epoch": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1861887846",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "425 ESSJAY RD STE 170",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142218235",
            "telephone_number": "716-630-1219"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HIGH STREET",
            "address_2": "BUFFALO GENERAL HOSPITAL",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "14203",
            "telephone_number": "716-859-5600",
            "fax_number": "716-817-1724"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "462 Grider St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142153021",
            "country_code": "US",
            "telephone_number": "716-898-4806",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "565 Abbott Rd",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142202039",
            "country_code": "US",
            "telephone_number": "716-826-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "85 High St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142031149",
            "country_code": "US",
            "telephone_number": "716-630-1000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3495 Bailey Ave",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "14215",
            "country_code": "US",
            "telephone_number": "716-862-5496",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "JOSEPH",
        "middle_name": "S",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-06",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "291514",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "production@direct.buffalomedicalgroup.com",
            "affiliation": "N",
            "address_1": "85 High St",
            "city": "Buffalo",
            "state": "NY",
            "country_code": "US",
            "postal_code": "142031149",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Edmund Aaron Thomas, DDS
• Elizabeth A Thomas, LCSW-R
• Emma Thomas, RDH
• Janet Lynn Thomas, RN
• Jennifer Annette Thomas
• Joshua Michael Thomas, CRNA
• Joyce Thomas
• Katherine Thomas, FNP
• Lisa Ann Thomas, RN
• Nicholette K Thomas, MS, CRC

• Internal Medicine Physician in Buffalo, NY
• Providers in Buffalo, 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 Aug 13, 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.