Individual provider Active NPI

Leroy James Seymour, MD

  • Geriatric Medicine (Internal Medicine) Physician
  • San Antonio, TX
National Provider Identifier
1962039081
Registry record updated Aug 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
W0292 Issued in TX
Practice address
4502 Medical Dr
San Antonio, TX 78229-4402
Phone
(210) 358-3555
Fax
(210) 702-4239
NPI assigned
Mar 26, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X W0292 TX
Geriatric Medicine (Internal Medicine) Physician 207RG0300X W0292 TX Primary

Addresses

Primary practice location

4502 Medical Dr
San Antonio, TX 78229-4402

Mailing address

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-4000

Other practice location 1

8311 Ewing Halsell Dr
San Antonio, TX 78229-3741
Phone (210) 562-8000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, TX2 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

Enrollment IDStateProvider typePAC IDDetails
I20230614001772 WI Practitioner - Internal MedicinePractitioner - Hospitalist 9234556739 Reassigns benefits to 1 organization
I20250810000098 TX Practitioner - Geriatric MedicinePractitioner - Internal Medicine 9234556739 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Geriatric MedicineAlso: Internal Medicine
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Texas Health Science Center at San AntonioGroup PAC ID 0042128548, 1,290 clinicians

Practice addresses (Care Compare)

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-4000

Hospital & facility affiliations

  • University Health System Hospital, San Antonio, TX, CCN 450213

Merit-based Incentive Payment System (MIPS)

Final score
87.99 of 100Reported as group
Quality
82.81
Promoting interoperability
100
Improvement activities
40
Cost
77.15

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
W0292TXMDGeriatric Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Texas Health Science Center at San Antonio Internal Medicine Current Accepting new patients
The University of Texas Health Science Center at San Antonio CurrentSince Jul 25, 2025 Accepting new patients
The Medical College of Wisconsin, Inc. Internal Medicine CurrentSince Jul 1, 2023 Accepting new patients
University of Texas Health Science Center at San Antonio CurrentSince Jul 25, 2025 Accepting new patients

Locations

4502 Medical Dr
San Antonio, TX 78229
Phone (210) 358-3555

7703 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 450-3700

8311 Ewing Halsell Dr
San Antonio, TX 78229
Phone (210) 562-8000

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

Interoperability endpoints

  • Direct secure messaging: lseymour386864@direct.froedtert.com

Organizations & group practices 4

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754870400000",
    "number": "1962039081",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-3555",
            "fax_number": "210-702-4239"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8311 Ewing Halsell Dr",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782293741",
            "country_code": "US",
            "telephone_number": "210-562-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEYMOUR",
        "first_name": "LEROY",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2025-08-11",
        "certification_date": "2025-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "W0292",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "TX",
            "license": "W0292",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.