Individual provider Active NPI

Addie Valerie Amper, DO

  • Internal Medicine Physician
  • San Antonio, TX
National Provider Identifier
1821679903
Registry record updated Mar 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
U6913 Issued in TX
Practice address
4502 Medical Dr
San Antonio, TX 78229-4402
Phone
(210) 358-4000
Fax
(210) 358-8002
NPI assigned
Apr 20, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X U6913 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 (201) 358-4000

Other practice location 1

3804 San Daniel
Mission, TX 78572-7508
Phone (956) 445-9233

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, MT2 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
I20230329000961 TX Practitioner - Internal Medicine 3678947876 Reassigns benefits to 6 organizations
I20260611004182 MT Practitioner - Hospitalist 3678947876 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Liberty Univ College of Osteopathic Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Velasco Inpatient Services PLLCGroup PAC ID 1153508551, 14 clinicians
Community Medicine AssociatesGroup PAC ID 7719979509, 590 clinicians

Practice addresses (Care Compare)

132 E Hospital Dr
Angleton, TX 77515-4112
Phone (954) 939-5000

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-2015

Hospital & facility affiliations

  • University of Texas Medical Branch Galveston Hospital, Galveston, TX, CCN 450018
  • University Health System Hospital, San Antonio, TX, CCN 450213
  • St James Hospital Hospital, Butte, MT, CCN 270017

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Wellmed Medical Group, PA Family Medicine CurrentSince Jan 1, 2023 Accepting new patients
Concord Medical Group of Texas PLLC CurrentSince Oct 8, 2024 Accepting new patients
Wellmed Medical Group, P.a. Family Medicine CurrentSince Jan 1, 2023 Accepting new patients
Concord Medical Group PLLC Current Accepting new patients
Questcare Hospitalists PLLC Internal Medicine CurrentSince Nov 1, 2024 Accepting new patients
Velasco Inpatient Services PLLC CurrentSince Apr 1, 2025 Accepting new patients
Community Medicine Associates Family Medicine CurrentSince Oct 30, 2024 Accepting new patients
University of Texas Medical Branch at Galveston Past Accepting new patients
Bexar County Hospital District Past Accepting new patients

Locations

132 E Hospital Dr
Angleton, TX 77515
Phone (210) 629-3866

2601 W Randol Mill Rd
Arlington, TX 76012
Phone (817) 274-5571

1950 Record Crossing Rd
Dallas, TX 75235
Phone (214) 638-1500

310 W South St
Henrietta, TX 76365
Phone (806) 647-2191

400 SW 25th Ave
Mineral Wells, TX 76067
Phone (940) 325-7891

2301 Marsh Ln
Plano, TX 75093
Phone (972) 428-1600

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

903 W Martin St
#492
San Antonio, TX 78207
Phone (210) 358-3441

6157 NW Loop 410
Ste 124
San Antonio, TX 78238
Phone (210) 523-1411

111 Dallas St
San Antonio, TX 78205
Phone (210) 297-7000

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

7930 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 297-5000

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

8811 Village Dr
San Antonio, TX 78217
Phone (210) 297-2000

3011 W Loop 1604 N
San Antonio, TX 78251
Phone (726) 266-7081

Interoperability endpoints

  • Direct secure messaging: aamper554139@uhssa.direct-ci.com
  • Direct secure messaging: addie.amper@wellmed.eclinicaldirectplus.com

Organizations & group practices 11

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 4

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": "1618876800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1821679903",
    "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": "201-358-4000",
            "fax_number": "210-358-8002"
        },
        {
            "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": "210-358-4000",
            "fax_number": "210-358-8002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3804 San Daniel",
            "address_purpose": "LOCATION",
            "city": "Mission",
            "state": "TX",
            "postal_code": "785727508",
            "country_code": "US",
            "telephone_number": "956-445-9233",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AMPER",
        "first_name": "ADDIE",
        "middle_name": "VALERIE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-20",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "U6913",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.