Mark E Thompson, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

227415 Issued in NY

Practice address

818 Ellicott St
Buffalo, NY 14203-1021

Phone

(716) 323-6570

NPI assigned

Jan 24, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NY, PA2 enrollments

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 2

Specialty

Anesthesiology

Education

Loma Linda University School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nextgen Anesthesia, LLCGroup PAC ID 6305357146, 15 clinicians

Great Lakes Anesthesiology PCGroup PAC ID 7113997529, 90 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Warren General Hospital Hospital, Warren, PA, CCN 391319
• Warren General Hospital Hospital, Warren, PA, CCN 390146
• Kenmore Mercy Hospital Hospital, Kenmore, NY, CCN 330102

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

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.

• Nextgen Anesthesia LLC

  • Anesthesiology Physician
  • Warren, PA
  • NPI 1053100974
  Medicare reassignment Care Compare group NPD
• Great Lakes Anesthesiology, PC

  • Specialist
  • Buffalo, NY
  • NPI 1306852181

  PA

  Medicare reassignment Care Compare group
• Buffalo Surgery Center LLC

  • Ambulatory Surgical Clinic/Center
  • Amherst, NY
  • NPI 1508863242
  Medicare reassignment NPD
• Cayuga Anesthesia Associates, PLLC

  • Anesthesiology Physician
  • Ithaca, NY
  • NPI 1477503985
  NPD (past)

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

• Kenmore Mercy Hospital

  • General Acute Care Hospital
  • Kenmore, NY
  • NPI 1770598104
  Care Compare affiliation
• Warren General Hospital

  • Substance Use Disorder Rehabilitation Hospital Unit
  • Warren, PA
  • NPI 1376497362
  Care Compare affiliation
• Warren General Hospital

  • Family Medicine Physician
  • Warren, PA
  • NPI 1508803701

  Hospital

  Care Compare affiliation
• Warren General Hospital

  • General Acute Care Hospital
  • Warren, PA
  • NPI 1659360220
  Care Compare affiliation

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

{
    "created_epoch": "1138060800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1902876733",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "65 PLANTATION CT",
            "city": "EAST AMHERST",
            "state": "NY",
            "postal_code": "140511645",
            "telephone_number": "806-407-7969"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "818 ELLICOTT ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031021",
            "telephone_number": "716-323-6570"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "726 Exchange St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142101484",
            "country_code": "US",
            "telephone_number": "716-859-5505",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2 W Crescent Park",
            "address_purpose": "LOCATION",
            "city": "Warren",
            "state": "PA",
            "postal_code": "163652111",
            "country_code": "US",
            "telephone_number": "716-323-6570",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2950 Elmwood Ave",
            "address_purpose": "LOCATION",
            "city": "Kenmore",
            "state": "NY",
            "postal_code": "142171390",
            "country_code": "US",
            "telephone_number": "716-447-6100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMPSON",
        "first_name": "MARK",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-01-24",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "CO",
            "license": "48735",
            "primary": false
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "NY",
            "license": "227414",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NY",
            "license": "227415",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CO",
            "license": "48735",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02377466",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James Lee Thompson III, MD
• Jeffrey J Thompson, MD
• Julie-Anne Jackie-Marie Thompson, ANP
• Kristen Thompson, RN
• La-Tasha Marie Thompson, L.P.N
• Megan Thompson
• Meghan Michaeline Thompson, OTR/L
• Nekeisha C Thompson, LPN
• Philip J Thompson, FNP
• Sarah Marie Thompson, PA-C

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.