James Alexander Leidner

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

T2659 Issued in TX

Practice address

6700 W Ih 10
San Antonio, TX 78201-2009

Phone

(361) 218-6500

NPI assigned

Apr 11, 2018

Last updated

Aug 20, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

HospitalistAlso: Internal Medicine

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hospital Medicine Services of TX, PLLCGroup PAC ID 3274998067, 376 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Methodist Hospital Hospital, San Antonio, TX, CCN 450388
• Methodist Hospital Stone Oak Hospital, San Antonio, TX, CCN 670055
• Frio Regional Hospital Hospital, Pearsall, TX, CCN 451391

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Hospital Medicine Services of TX, PLLC

  • Hospitalist Physician
  • San Antonio, TX
  • NPI 1881392363
  Medicare reassignment Care Compare group NPD
• Methodist Healthcare System of San Antonio, LTD., L.L.P.

  dba Methodist Hospital

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1124074273
  NPD (past)

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

• Frio Hospital Association

  dba Frio Regional Swing Bed

  • Critical Access Hospital Clinic/Center
  • Pearsall, TX
  • NPI 1447574819
  Care Compare affiliation
• Methodist Healthcare System of San Antonio LTD LLP

  dba Methodist Hospital Stone Oak

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1659525236
  Care Compare affiliation
• Methodist Healthcare System of San Antonio, LTD., L.L.P.

  dba Methodist Hospital

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

  dba Metropolitan Methodist Hospital

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

  dba Methodist Specialty and Transplant Hospital

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1952348021
  Care Compare affiliation

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

{
    "created_epoch": "1523404800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1851898357",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6700 W IH 10",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782012009",
            "telephone_number": "210-736-6700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6700 W IH 10",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782012009",
            "telephone_number": "361-218-6500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEIDNER",
        "first_name": "JAMES",
        "middle_name": "ALEXANDER",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-11",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "T2659",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Victoria Elizabeth Lehrmann, MD
• Emilee Lei
• Priscilla Leibel, NP-C
• David George Leibold, DDS MD
• Kathleen Fanning Leibowitz, MSN, RN, CPNP-AC
• Rhonda Leifur, RPH
• Peytom Danielle Leigh
• Leighner Speech and Language LLC
• Danielle Leighner, M.A. CCC-SLP
• Jessica Maria Leighton, RN, BSN, MSN, FNP-C

• Internal Medicine Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2026; 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.