William Gregory Mitchell, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

314628 Issued in NY

Practice address

111 E 210TH St
Bronx, NY 10467-2401

Phone

(718) 920-4321

NPI assigned

Mar 23, 2019

Last updated

Dec 21, 2025By the provider in NPPES

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

Albert Einstein College of Medicine of Yeshiva University, 2019

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Montefiore Medical CenterGroup PAC ID 3779496021, 2,809 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Montefiore Medical Center Hospital, Bronx, NY, CCN 330059

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

Interoperability endpoints

• Direct secure messaging: miwilliam@montefioredirect.com
• Direct secure messaging: wmitchell96057@mskcc.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Montefiore Medical Center

  • Anesthesiology Physician
  • Bronx, NY
  • NPI 1063525152

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Montefiore Medical Center

  dba Montefiore Community Pharmacy @ CHAM

  • Community/Retail Pharmacy
  • Bronx, NY
  • NPI 1194183715
  NPD

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

• Montefiore Medical Center

  • General Acute Care Hospital
  • Bronx, NY
  • NPI 1952476988
  Care Compare affiliation

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

{
    "created_epoch": "1553299200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766275200000",
    "number": "1538629621",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 E 210TH ST",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104672401",
            "telephone_number": "718-920-4321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 E 210TH ST",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104672401",
            "telephone_number": "718-920-4321"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MITCHELL",
        "first_name": "WILLIAM",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-23",
        "last_updated": "2025-12-21",
        "certification_date": "2025-12-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "314628",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sylvia Mitchell
• Talisha Mitchell, PMHNP-BC
• Tonya Nicoel Mitchell, BEHAVORIAL TECHNICAN
• Tunesia L Mitchell, PA
• Tylie Y Mitchell
• Wilma Juanita Mitchell, M.ED.
• Jennifer Ann Mitchum
• Suman Mithani
• Frances Mitkowski
• Stefan Mitrasinovic, MD

• Gastroenterology Physician in Bronx, NY
• Providers in Bronx, 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 Dec 21, 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.