Mark Stephen St Marie, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

136312 Issued in NY

Practice address

111 N Maplemere Rd Ste 200
Williamsville, NY 14221-3182

Phone

(716) 626-2644

NPI assigned

Oct 19, 2006

Sex

Male

Sole proprietor

Yes

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

GastroenterologyAlso: Internal Medicine

Education

Other, 1976

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

General Physician PCGroup PAC ID 9537213079, 488 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mstmarie@gppc.medentdirect.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.

• General Physician, PC

  • General Practice Physician
  • Dunkirk, NY
  • NPI 1093959322
  Medicare reassignment Care Compare group NPD
• Mercy Hospital of Buffalo

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1164464921
  Medicare reassignment NPD
• Buffalo Gastroenterology Associates, LLP

  • Gastroenterology Physician
  • Orchard Park, NY
  • NPI 1811079296

  Specialist

  NPD
• Mercy Hospital of Buffalo

  • Surgery Physician
  • Buffalo, NY
  • NPI 1992073571
  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": "1161216000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1724716800000",
    "number": "1629150792",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 N MAPLEMERE RD STE 200",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142213182",
            "telephone_number": "716-626-2644"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 N MAPLEMERE RD STE 200",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142213182",
            "telephone_number": "716-626-2644"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ST MARIE",
        "first_name": "MARK",
        "middle_name": "STEPHEN",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-19",
        "last_updated": "2024-08-27",
        "certification_date": "2024-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "136312",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diana Springer
• Riley Kate Spurr
• Pradeep Srikanthan, MD
• Maya Devi Srivastava, MS MD PHD
• St Francis Home of Williamsville
• Betty St. Clair, LPN
• Chelsea M St. Laurent, LMHC
• Sarah G Stabler, LMT, NCTMB
• Stacey L. Donahue, LCSW, PLLC
• Debra Stacey, MSNE PMHNP ANP CDE

• Gastroenterology Physician in Williamsville, NY
• Providers in Williamsville, 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 Aug 27, 2024; 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.