Michael Riley Martinez

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

S8204 Issued in TX

Practice address

5245 W Highway 290
Austin, TX 78735-8963

Phone

(512) 654-2100

NPI assigned

Apr 26, 2017

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Anesthesiology

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthtexas Provider NetworkGroup PAC ID 1355254210, 2,535 clinicians

Austin Anesthesiology Group PLLCGroup PAC ID 0547256497, 430 clinicians

Independent Physicians Network PLLCGroup PAC ID 5496029407, 218 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baylor Scott and White All Saints Medical Center Hospital, Fort Worth, TX, CCN 450137
• Baylor Scott & White Medical Center - Round Rock Hospital, Round Rock, TX, CCN 670034
• St David'S Medical Center Hospital, Austin, TX, CCN 450431
• The Hospital at Westlake Medical Center Hospital, Austin, TX, CCN 670006
• St David'S South Austin Medical Center Hospital, Austin, TX, CCN 450713

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations (25 of 29)

Interoperability endpoints

• Direct secure messaging: mmartinez209447@direct.sw.org

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.

• Austin Anesthesiology Group, PLLC

  • Anesthesiology Physician
  • Austin, TX
  • NPI 1598724304
  Medicare reassignment Care Compare group NPD
• Healthtexas Provider Network

  • Family Medicine Physician
  • Dallas, TX
  • NPI 1760488936
  Medicare reassignment Care Compare group NPD
• Independent Physicians Network PLLC

  • Anesthesiology Physician
  • Dallas, TX
  • NPI 1396274676
  Medicare reassignment Care Compare group NPD
• Austin Gastroenterology Anesthesia Associates PLLC

  • Anesthesiology Physician
  • Austin, TX
  • NPI 1427405810
  Medicare reassignment NPD
• Scott & White Clinic

  • Internal Medicine Physician
  • Temple, TX
  • NPI 1093779704

  Anesthesiology

  Medicare reassignment NPD
• Texas Children'S Physician Group

  • Pediatrics Physician
  • Houston, TX
  • NPI 1861675506
  Medicare reassignment NPD
• Emergenchealth PLLC

  • Anesthesiology Physician
  • Fort Worth, TX
  • NPI 1467970897
  Medicare reassignment
• Austin Anesthesiology Group PLLC

  • Anesthesiology Physician
  • Bryan, TX
  • NPI 1528326154
  NPD
• Healthtexas Provider Network

  • Anesthesiology Physician
  • Lakeway, TX
  • NPI 1104714583
  NPD
• Healthtexas Provider Network

  • Anesthesiology Physician
  • Waxahachie, TX
  • NPI 1598658015
  NPD
• Scott & White Clinic

  • Internal Medicine Physician
  • Dallas, TX
  • NPI 1649820796

  Anesthesiology

  NPD
• Pediatric Dentistry of Keller PLLC

  • Pediatric Dentistry
  • Keller, TX
  • NPI 1750934253
  NPD (past)

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

• Baylor All Saints Medical Center

  • General Acute Care Hospital
  • Fort Worth, TX
  • NPI 1669472387
  Care Compare affiliation
• Scott & White Hospital - Round Rock

  • General Acute Care Hospital
  • Round Rock, TX
  • NPI 1265568638
  Care Compare affiliation
• St. David'S Healthcare Partnership, L.P., LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1679528889
  Care Compare affiliation
• St. Davids Healthcare Partnership, L.P., LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1720033947
  Care Compare affiliation
• Westlake Surgical, L.P.

  • General Acute Care Hospital
  • West Lake Hills, TX
  • NPI 1043328198
  Care Compare affiliation

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

{
    "created_epoch": "1493164800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1962937094",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 844658",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752844658",
            "telephone_number": "800-994-0371"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5245 W HIGHWAY 290",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787358963",
            "telephone_number": "512-654-2100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTINEZ",
        "first_name": "MICHAEL",
        "middle_name": "RILEY",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-26",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "S8204",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmartinez209447@direct.sw.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "5245 W Highway 290",
            "city": "Austin",
            "state": "TX",
            "country_code": "US",
            "postal_code": "787358963",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Maribel Martinez, FNP
• Marni Lynne Martinez, C.N.S.
• Megan Martinez
• Melinda Martinez
• Miana Martinez, IBCLC
• Miguel Martinez
• Mikaela Anna Martinez, CCC SLP
• Mireya Martinez, APRN, FNP-C
• Nadia Martinez
• Nathan Phillip Martinez

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 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.