Alexander Steven Thomas, MD

Primary specialty

Addiction Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084A0401X

License

01086577A Issued in IN

Practice address

3171 N Meridian St
Indianapolis, IN 46208-4784

Phone

(317) 941-5003

Fax

(317) 931-5140

NPI assigned

May 30, 2019

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

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IN

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

Psychiatry

Education

Indiana University School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

The Health and Hospital Corporation of Marion CountyGroup PAC ID 6709795974, 239 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Eskenazi Health Hospital, Indianapolis, IN, CCN 150024
• Indiana University Health Hospital, Indianapolis, IN, CCN 150056

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Quality

94.43

Promoting interoperability

100

Improvement activities

40

Cost

82.74

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: athomas13214@direct.eskenazihealth.edu
• Direct secure messaging: athomas34@direct.iuhealth.org
• Direct secure messaging: athomas@direct.iuhealth.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.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • Nurse Practitioner
  • Indianapolis, IN
  • NPI 1104027879

  Student in an Organized Health Care Education/Training Program

  Medicare reassignment Care Compare group NPD
• Indiana University Health Care Associates, Inc

  dba IU Health Physicians

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1902032832
  Medicare reassignment NPD
• The Health and Hospital Corporation of Marion County

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Indianapolis, IN
  • NPI 1871311779
  NPD
• University Medical Diagnostic Associates, Inc.

  • Internal Medicine Physician
  • Indianapolis, IN
  • NPI 1861441537
  NPD (past)

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

• Indiana University Health Inc

  dba Indiana University Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1568407310
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health Midtown Narcotics Treatment Program

  • Methadone Clinic
  • Indianapolis, IN
  • NPI 1760922249

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1559174400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745452800000",
    "number": "1083272645",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "355 W 16TH ST STE 2364",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462022279",
            "telephone_number": "317-963-7307"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3171 N MERIDIAN ST",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462084784",
            "telephone_number": "317-941-5003",
            "fax_number": "317-931-5140"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "355 W 16th St Ste 2800",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462022279",
            "country_code": "US",
            "telephone_number": "317-963-7300",
            "fax_number": "317-963-7325",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "355 W 16th St Ste 2364",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462022279",
            "country_code": "US",
            "telephone_number": "317-963-7307",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "ALEXANDER",
        "middle_name": "STEVEN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-05-30",
        "last_updated": "2025-04-24",
        "certification_date": "2025-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IN",
            "license": "01086577A",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084A0401X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Medicine",
            "state": "IN",
            "license": "01086577A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "athomas@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "355 W 16th St Ste 2800",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462022279",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "athomas13214@direct.eskenazihealth.edu",
            "affiliation": "N",
            "address_1": "3171 N Meridian St",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462084784",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Thomas J. Martin, M.D.
• Jasmine Thomas Owsley, CEO
• Guirlene Thomas-Durosier, MA
• Meret Thomas-Huebner, OD
• Jill Christine Thomas-Kingery, LCSW
• Allyson Lynette Thomas, MD
• Amber Thomas, PA
• Anna Thomas, PT,DPT
• Anna E. Thomas, M.D.
• Bettina Thomas, ANP-C

• Addiction Medicine (Psychiatry & Neurology) Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Addiction Medicine (Psychiatry & Neurology) Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 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.