William David Ross Jr., MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

T-4261 Issued in MS

Practice address

1225 N State St
Jackson, MS 39202-2064

Phone

(601) 988-5281

NPI assigned

Apr 22, 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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MS

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

Merit-based Incentive Payment System (MIPS)

Final score

78.38 of 100Reported as group

Quality

54.22

Promoting interoperability

100

Improvement activities

40

Cost

73.72

Medicare enrollment (NPD)

Enrolled

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.

• Medical Foundation of Central Mississippi, Inc.

  • Internal Medicine Physician
  • Jackson, MS
  • NPI 1992774814
  Medicare reassignment NPD
• State of Mississippi - University of Mississippi Medical Center

  • General Acute Care Hospital
  • Jackson, MS
  • NPI 1154317527
  Medicare reassignment NPD
• Medical Foundation of Central Ms

  • Family Medicine Physician
  • Brandon, MS
  • NPI 1114264264
  NPD
• State of Mississippi - University of Mississippi Medical Center

  • Prosthetic/Orthotic Supplier
  • Jackson, MS
  • NPI 1235019530
  NPD

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

{
    "created_epoch": "1587513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1750901450",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 N STATE ST",
            "city": "JACKSON",
            "state": "MS",
            "postal_code": "392164500",
            "telephone_number": "601-984-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1225 N STATE ST",
            "city": "JACKSON",
            "state": "MS",
            "postal_code": "392022064",
            "telephone_number": "601-988-5281"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROSS",
        "first_name": "WILLIAM",
        "middle_name": "DAVID",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-22",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MS",
            "license": "T-4261",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wdross@umc.edu",
            "affiliation": "N",
            "endpointDescription": "email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "2500 N State St",
            "city": "Jackson",
            "state": "MS",
            "country_code": "US",
            "postal_code": "392164500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Nathan Tyler Ross, MHPP
• Robert Charles Ross, PHARMD
• Sharon Elaine Ross, LPC
• Ty'Anna Ross
• Victoria Lee Ross
• Yolonda Ross
• Katelyn Rossow, MD
• Hays Roth
• Hunter Leland Roth, MD
• Marie Rothman, LPC

• Internal Medicine Physician in Jackson, MS
• Providers in Jackson, MS by specialty
• Internal Medicine Physician in Mississippi

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