Aaron Matthew Fields, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

Q0255 Issued in TX

Practice address

12222 Merit Dr Ste 600
Dallas, TX 75251-3294

Phone

(972) 715-5000

Fax

(972) 715-9976

NPI assigned

Aug 17, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in TX, WI2 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 2

Specialty

Anesthesiology

Education

Texas Tech University Health Science Center School of Medicine, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Austin Anesthesiology Group PLLCGroup PAC ID 0547256497, 430 clinicians

U S Anesthesia Partners of Texas, PAGroup PAC ID 7315850351, 2,750 clinicians

The Monroe Clinic, Inc.Group PAC ID 3072425495, 199 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Monroe Clinic Hospital, Monroe, WI, CCN 520028
• Methodist Hospital Hospital, San Antonio, TX, CCN 450388
• Methodist Hospital Stone Oak Hospital, San Antonio, TX, CCN 670055

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

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
• U. S. Anesthesia Partners of Texas, P.a.,

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1548208564
  Medicare reassignment Care Compare group NPD
• The Monroe Clinic, Inc.

  • Specialist
  • Monroe, WI
  • NPI 1386720548
  Medicare reassignment Care Compare group NPD
• Tejas Anesthesia PLLC

  • Anesthesiology Physician
  • League City, TX
  • NPI 1659383305
  Medicare reassignment NPD
• Austin Anesthesiology Group PLLC

  • Anesthesiology Physician
  • Bryan, TX
  • NPI 1528326154
  NPD
• Tejas Anesthesia PLLC

  • Anesthesiology Physician
  • San Antonio, TX
  • NPI 1659027910
  NPD
• U S Anesthesia Partners of Texas, PA

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

  Anesthesiology

  NPD
• The Monroe Clinic, Inc.

  • General Acute Care Hospital
  • Monroe, WI
  • NPI 1740291491
  NPD

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

• Methodist Healthcare System of San Antonio LTD LLP

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

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

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

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1952348021
  Care Compare affiliation
• The Monroe Clinic, Inc.

  • General Acute Care Hospital
  • Monroe, WI
  • NPI 1740291491
  Care Compare affiliation

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

{
    "created_epoch": "1187308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749427200000",
    "number": "1982896437",
    "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": "752845116",
            "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": "12222 MERIT DR STE 600",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752513294",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9976"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3551 Roger Brooke Dr",
            "address_2": "MCHE-QD (Creds)",
            "address_purpose": "LOCATION",
            "city": "Fort Sam Houston",
            "state": "TX",
            "postal_code": "782344504",
            "country_code": "US",
            "telephone_number": "210-916-2316",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6606 Lbj Fwy Ste 200",
            "address_purpose": "LOCATION",
            "city": "Dallas",
            "state": "TX",
            "postal_code": "752406524",
            "country_code": "US",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9976",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "515 22nd Ave",
            "address_purpose": "LOCATION",
            "city": "Monroe",
            "state": "WI",
            "postal_code": "535661569",
            "country_code": "US",
            "telephone_number": "608-324-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FIELDS",
        "first_name": "AARON",
        "middle_name": "MATTHEW",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-08-17",
        "last_updated": "2025-06-09",
        "certification_date": "2025-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "48532-020",
            "primary": false
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "WI",
            "license": "48532-020",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "Q0255",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brittany Field
• Kevin Field
• Michael Field, SLP
• B. Donald Fielding
• Julia Fielding, MD
• Alexia C. Fields, DDS
• Brenda Joyce Fields, PNP, MSN, RN
• Christopher Fields
• Eugenia Jo Fields, D.C.
• Jessica Fields, PHARMD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 2025; 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.