Michael Gary Contreras, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

N4994 Issued in TX

Practice address

600 S Tyler St Ste 2100
Amarillo, TX 79101-2304

Phone

(972) 715-5000

Fax

(972) 715-9976

NPI assigned

Aug 30, 2006

Last updated

Mar 30, 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

Other identifiers 5

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, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Compass Anesthesia Providers, PLLCGroup PAC ID 4082040878, 164 clinicians

Dynamic Anesthesia Providers, PLLCGroup PAC ID 0547529596, 112 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Houston Methodist Hospital Hospital, Houston, TX, CCN 450358
• Surgery Specialty Hospitals of America SE Houston Hospital, Pasadena, TX, CCN 450831
• Townsen Memorial Hospital Hospital, Humble, TX, CCN 670266
• East Houston Medical Center Hospital, Houston, TX, CCN 670320

Merit-based Incentive Payment System (MIPS)

Final score

88.94 of 100Reported as group

Quality

91.31

Improvement activities

40

Cost

79.05

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mcontreras26472@directhoustonmethodist.org

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.

• Compass Anesthesia Providers PLLC

  • Anesthesiology Physician
  • Webster, TX
  • NPI 1669829750
  Medicare reassignment Care Compare group NPD
• Dynamic Anesthesia Providers PLLC

  dba Houston Healthcare Associates

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1346752326
  Medicare reassignment Care Compare group NPD
• U. S. Anesthesia Partners of Texas, P.a.,

  dba Greater Houston Anesthesiology, P.A.

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1548208564
  Medicare reassignment NPD
• Apex Frontier Group, PLLC

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1417808627
  Medicare reassignment
• Kelsey-Seybold Medical Group, PLLC

  dba Kelsey Seybold Clinic

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1013915255
  Medicare reassignment
• U S Anesthesia Partners of Texas, PA

  • Interventional Pain Medicine Physician
  • Addison, TX
  • NPI 1053800391

  Anesthesiology

  NPD
• Cardiovascular Care Providers, Inc.

  • Specialist
  • Houston, TX
  • NPI 1437242617
  NPD (past)

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

• Excellence Emergency Hospital LLC

  dba East Houston Medical Center PLLC

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1972258580
  Care Compare affiliation
• The Methodist Hospital

  dba Houston Methodist Hospital

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1548387418
  Care Compare affiliation
• Townsen Memorial Health System LLC

  dba Townsen Memorial Hospital

  • General Acute Care Hospital
  • Humble, TX
  • NPI 1376870840
  Care Compare affiliation
• Vista Community Medical Center LLP

  dba Surgery Specialty Hospitals of America Southeast Houston

  • General Acute Care Hospital
  • Pasadena, TX
  • NPI 1891718789
  Care Compare affiliation

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

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1699885889",
    "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": "752840865",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9967"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 S TYLER ST STE 2100",
            "city": "AMARILLO",
            "state": "TX",
            "postal_code": "791012304",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9976"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2727 W Holcombe Blvd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770251669",
            "country_code": "US",
            "telephone_number": "713-442-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CONTRERAS",
        "first_name": "MICHAEL",
        "middle_name": "GARY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036106880",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "N4994",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P00834481",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2322931",
            "state": "LA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "584727300",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "8CH198",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "212647601",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Roger B Conlin, DC
• Stacie Michelle Conn, PTA
• Leah Connally
• Consultants in Radiation Oncology, PA
• Maria Fernanda Contreras, M.D
• Deloris Conwill, LPC-A
• Elaine Remmers Cook, M.D.
• Jo Anne Cook, MA LPC LCDC BCIA-C
• Katherine M Cook, MA, LPC LCDC
• Linda N Cook, LPC LMFT

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.