Individual provider Active NPI

John Michael Sladic, MD

  • Internal Medicine Physician
  • San Antonio, TX
National Provider Identifier
1073132452
Registry record updated Apr 19, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
U3021 Issued in TX
Practice address
4502 Medical Dr
San Antonio, TX 78229-4402
Phone
(210) 358-3555
Fax
(210) 702-4239
NPI assigned
Apr 15, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 19, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X U3021 TX Primary
Hospitalist Physician 208M00000X U3021 TX
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

4502 Medical Dr
San Antonio, TX 78229-4402

Mailing address

7322 Oak Manor Dr Apt 27
San Antonio, TX 78229-4552
Phone (281) 857-0123

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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

Enrollment IDStateProvider typePAC IDDetails
I20230428000241 TX Practitioner - HospitalistPractitioner - Internal Medicine 0345605242 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
University of Texas Medical School at San Antonio, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Usacs Integrated Acute Care Services of Texas, PLLCGroup PAC ID 7618237264, 398 clinicians

Practice addresses (Care Compare)

260 Cully Dr
Kerrville, TX 78028-5950
Phone (830) 258-7747

7930 Floyd Curl Dr
San Antonio, TX 78229-3925
Phone (210) 297-5650

Hospital & facility affiliations

  • Baptist Medical Center Hospital, San Antonio, TX, CCN 450058

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
U3021TXMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Usacs Integrated Acute Care Services of Texas, PLLC Internal Medicine CurrentSince May 12, 2025 Accepting new patients
VHS San Antonio Partners LLC Past Accepting new patients

Locations

3501 Mills Ave
Austin, TX 78731
Phone (512) 324-1017

260 Cully Dr
Kerrville, TX 78028
Phone (830) 258-7323

3333 Research Plz
San Antonio, TX 78235
Phone (210) 297-3000

520 Madison Oak Dr
San Antonio, TX 78258
Phone (210) 297-0412

6565 Fannin St
Va Hospital, TX 77030
Phone (713) 394-6000

Organizations & group practices 2

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": "1586908800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1681862400000",
    "number": "1073132452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7322 OAK MANOR DR APT 27",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294552",
            "telephone_number": "281-857-0123"
        },
        {
            "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": [],
    "basic": {
        "last_name": "SLADIC",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-15",
        "last_updated": "2023-04-19",
        "certification_date": "2023-04-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "U3021",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "U3021",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.