John Mark McLain, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

S5985 Issued in TX

Practice address

545 Creekside Xing Ste 222
New Braunfels, TX 78130-4565

Phone

(830) 310-3491

Fax

(830) 310-3506

NPI assigned

Jun 27, 2014

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

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

General Surgery

Education

Wright State University Boonshoft School of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Christus Trinity Clinic TexasGroup PAC ID 3072426741, 1,540 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Guadalupe Regional Medical Center Hospital, Seguin, TX, CCN 450104
• Christus Santa Rosa Hospital-San Marcos Hospital, San Marcos, TX, CCN 450272
• Resolute Health Hospital Hospital, New Braunfels, TX, CCN 670098

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jmclain287835@christushealth.direct-ci.net

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.

• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Family Medicine Physician
  • Tyler, TX
  • NPI 1285684225

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Rural Health Clinic/Center
  • Winnsboro, TX
  • NPI 1801673165
  NPD
• BHS Specialty Network Inc

  dba Heart & Vascular Institute of Texas

  • Cardiovascular Disease Physician
  • San Antonio, TX
  • NPI 1831492651

  Multi-Specialty

  NPD (past)

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

• Christus Santa Rosa Health Care Corporation

  dba Christus Santa Rosa Hospital - New Braunfels

  • General Acute Care Hospital
  • New Braunfels, TX
  • NPI 1114725033
  Care Compare affiliation
• Christus Santa Rosa Health Care Corporation

  dba Christus Santa Rosa Hospital - San Marcos

  • General Acute Care Hospital
  • San Marcos, TX
  • NPI 1447883301
  Care Compare affiliation
• Guadalupe County Hospital Board

  dba Guadalupe Regional Medical Center Cardiology

  • Nursing Care Agency
  • Seguin, TX
  • NPI 1487674727

  Hospital

  Care Compare affiliation
• Guadalupe County Hospital Board

  dba Guadalupe Regional Medical Center

  • General Acute Care Hospital
  • Seguin, TX
  • NPI 1720088123
  Care Compare affiliation
• Guadalupe County Hospital Board

  dba Guadalupe Regional Medical Laurel

  • General Acute Care Hospital
  • Seguin, TX
  • NPI 1780529966
  Care Compare affiliation
• Resolute Hospital Company, LLC

  dba Resolute Health Hospital

  • General Acute Care Hospital
  • New Braunfels, TX
  • NPI 1427472463
  Care Compare affiliation

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

{
    "created_epoch": "1403827200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1366857336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8711 VILLAGE DR STE 114",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782175419",
            "telephone_number": "210-297-2244",
            "fax_number": "210-297-2257"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "545 CREEKSIDE XING STE 222",
            "city": "NEW BRAUNFELS",
            "state": "TX",
            "postal_code": "781304565",
            "telephone_number": "830-310-3491",
            "fax_number": "830-310-3506"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1659 Interstate 35 S Ste 105",
            "address_purpose": "LOCATION",
            "city": "New Braunfels",
            "state": "TX",
            "postal_code": "781306826",
            "country_code": "US",
            "telephone_number": "830-643-7900",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1924 Alcoa Hwy # U-11",
            "address_purpose": "LOCATION",
            "city": "Knoxville",
            "state": "TN",
            "postal_code": "379201511",
            "country_code": "US",
            "telephone_number": "865-305-9230",
            "fax_number": "865-305-8894",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1305 Wonder World Dr Ste 300",
            "address_purpose": "LOCATION",
            "city": "San Marcos",
            "state": "TX",
            "postal_code": "786667541",
            "country_code": "US",
            "telephone_number": "512-353-6400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "105 Medical Ste 200",
            "address_purpose": "LOCATION",
            "city": "Seguin",
            "state": "TX",
            "postal_code": "781555392",
            "country_code": "US",
            "telephone_number": "512-353-6400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCLAIN",
        "first_name": "JOHN",
        "middle_name": "MARK",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-06-27",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Surgery",
            "state": "TX",
            "license": "S5985",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• McKenna Medical Group
• McKenna Memorial Hospital
• McKenna Properties, LLC (McKenna Village)
• McKenna Rehab Institute
• Alexis Skye McKennon
• Michael Paul McLaren, M.D.
• Melissa Woodall Meadows, LCSW
• Meaningful Pathways, PLLC
• Sarah Meckel, LPC
• Med Southwest, PLLC (MyEyeDr.)

• Surgery Physician in New Braunfels, TX
• Providers in New Braunfels, TX by specialty
• Surgery Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.