Alireza Paydar, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

48709 Issued in TX

Practice address

4502 Medical Dr
San Antonio, TX 78229-4402

Phone

(210) 358-4000

Fax

(210) 567-6418

NPI assigned

Jun 16, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

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

Specialty

Diagnostic Radiology

Education

Other, 1996

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)

Hospital & facility affiliations

• Ut Health San Antonio Multispecialty & Research Ho Hospital, San Antonio, TX, CCN 670335
• University Health System Hospital, San Antonio, TX, CCN 450213
• Methodist Hospital Hospital, San Antonio, TX, CCN 450388

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: apaydar66642@direct.utmsa.com

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.

• University of Texas Health Science Center at San Antonio

  • Internal Medicine Physician
  • San Antonio, TX
  • NPI 1720051717

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• The University of Texas Health Science Center at San Antonio

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1326829904

  Diagnostic Radiology

  NPD
• University of Texas Health Science Center at San Antonio

  • Prosthetic/Orthotic Supplier
  • San Antonio, TX
  • NPI 1538224142
  NPD (past)

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

• Bexar County Hospital District

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1821011248
  Care Compare affiliation
• Methodist Healthcare System of San Antonio, LTD., L.L.P.

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1124074273
  Care Compare affiliation
• Methodist Healthcare System of San Antonio, LTD., L.L.P.

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1689627655
  Care Compare affiliation
• Methodist Healthcare System of San Antonio, LTD., L.L.P.

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1952348021
  Care Compare affiliation
• The University of Texas Health Science Center at San Antonio

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1326829904
  Care Compare affiliation

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

{
    "created_epoch": "1655337600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1043940455",
    "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",
            "fax_number": "210-567-6418"
        },
        {
            "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": "210-567-6418"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9500 Euclid Ave",
            "address_purpose": "LOCATION",
            "city": "Cleveland",
            "state": "OH",
            "postal_code": "441952201",
            "country_code": "US",
            "telephone_number": "216-444-2200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PAYDAR",
        "first_name": "ALIREZA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-06-16",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "CA",
            "license": "PTL8644",
            "primary": false
        },
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "TX",
            "license": "48709",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "48709",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pax Dental
• Maria Herlinda Paxson, RN
• David Edward Paxton
• Gina Paxton, LMSW
• Edgar O Payan, LMT
• Maria Paykar
• Carol Jean Payne
• Carolyn Payne, NP
• Casey Lee Payne, DO
• Crystal Dawn Payne, MSN, APRN, PMHNP-BC

• Diagnostic Radiology Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Diagnostic Radiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.