Mark L Gunn, MD

Primary specialty

Pediatric Anesthesiology PhysicianTaxonomy code 207LP3000X

License

TP857 Issued in KY

Practice address

3705 Medical Pkwy
Suite 570
Austin, TX 78705-1019

Phone

(512) 454-2454

Fax

(512) 454-1532

NPI assigned

Nov 9, 2005

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

Other identifiers 2

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in TX, AR, WI, MO, TN, KY6 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 6

Specialty

Anesthesiology

Education

University of Texas Medical School at Houston, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Health Care GroupGroup PAC ID 0143608372, 929 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health St Mary'S Hospital - St Louis Hospital, Saint Louis, MO, CCN 260091

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mgunn428441@reidhealth.direct-ci.com
• Direct secure messaging: mark.gunn@marshfieldclinichealthsystem.cernerdirect.com
• Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com
• Direct secure messaging: mgunn393246@direct-ehr-ssmhc.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.

• SSM Health Care Group

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1306589544

  Anesthesiology

  Medicare reassignment Care Compare group NPD
• Northstar Anesthesia, PA

  • Anesthesiology Physician
  • Arlington, TX
  • NPI 1912978610
  Medicare reassignment NPD
• Premier Anesthesia of Huntsville a Division of Premier Anesthesia LLC

  • Anesthesiology Physician
  • McAllen, TX
  • NPI 1346570355
  Medicare reassignment NPD
• Marshfield Clinic Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1952347981
  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434

  Anesthesiology

  Medicare reassignment NPD
• Ut Lebonheur Pediatric Specialists, Inc.

  • Pediatrics Physician
  • Memphis, TN
  • NPI 1093024101

  Anesthesiology

  Medicare reassignment NPD
• Arkansas Childrens Hospital

  • Pediatrics Physician
  • Little Rock, AR
  • NPI 1598773079
  Medicare reassignment
• Norton Children'S Medical Group, LLC

  • Psychiatry Physician
  • Louisville, KY
  • NPI 1457999096
  Medicare reassignment
• University of Arkansas for Medical Sciences

  • Pediatrics Physician
  • Little Rock, AR
  • NPI 1346230968
  Medicare reassignment
• University of Arkansas for Medical Sciences

  • Internal Medicine Physician
  • Little Rock, AR
  • NPI 1588654016
  Medicare reassignment
• MCHS Hospitals Inc

  • Clinic/Center
  • Eau Claire, WI
  • NPI 1316416035

  Anesthesiology

  NPD
• MCHS Hospitals Inc

  • Durable Medical Equipment & Medical Supplies
  • Eau Claire, WI
  • NPI 1558230847
  NPD

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

• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1336387836
  Care Compare affiliation
• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1962572396
  Care Compare affiliation

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

{
    "created_epoch": "1131494400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1629059357",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 840853",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752840853",
            "telephone_number": "972-233-1999",
            "fax_number": "972-233-3666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3705 MEDICAL PKWY",
            "address_2": "SUITE 570",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787051019",
            "telephone_number": "512-454-2454",
            "fax_number": "512-454-1532"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "231 E Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Louisville",
            "state": "KY",
            "postal_code": "402021821",
            "country_code": "US",
            "telephone_number": "502-629-6000",
            "fax_number": "502-451-4553",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1100 Reid Pkwy",
            "address_purpose": "LOCATION",
            "city": "Richmond",
            "state": "IN",
            "postal_code": "473741157",
            "country_code": "US",
            "telephone_number": "765-935-8747",
            "fax_number": "765-983-3023",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUNN",
        "first_name": "MARK",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-09",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IN",
            "license": "010845456A",
            "primary": false
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "KY",
            "license": "TP857",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "K6860",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC/BS",
            "identifier": "89372S",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "105508901",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "MUDOCREFERRAL@direct.health.missouri.edu",
            "affiliation": "Y",
            "endpointDescription": "Endpoint is used to receive electronic continuity of care documents (C-CDA) for outpatient referrals.",
            "affiliationName": "Curators of the University of Missouri",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "DIRECT",
            "address_1": "1 Hospital Dr",
            "city": "Columbia",
            "state": "MO",
            "country_code": "US",
            "postal_code": "652120001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mgunn428441@ReidHealth.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "Reid Physician Associates, Inc.",
            "address_1": "1100 Reid Pkwy",
            "city": "Richmond",
            "state": "IN",
            "country_code": "US",
            "postal_code": "473741157",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "Other",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Other",
            "address_1": "1000 N Oak Ave",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Cody Gummelt
• Chitravathi Gundappa, D.M.D.
• Christian X Gunderson
• Michael G Gunlock
• Holly Clute Gunn, MD
• Brooke Gunning, MS, RDN, LD
• Magen Ann Gunsolley, DNP, FNP
• Saipranay Guntaka
• Kathryn Jane Gunter, PHARMD
• Patricia Anne Gunter, M.D.

• Pediatric Anesthesiology Physician in Austin, TX
• Providers in Austin, TX by specialty
• Pediatric Anesthesiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 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.