Gary M Ayres, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

01032756A Issued in IN

Practice address

13450 N Meridian St Ste 363
Carmel, IN 46032-7120

Phone

(317) 582-8315

NPI assigned

Feb 13, 2006

Last updated

Apr 27, 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 1

Addresses

Other identifiers 1

Electronic endpoints 1

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

Internal Medicine

Education

Indiana University School of Medicine, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

St Vincent Medical Group IncGroup PAC ID 7012047640, 728 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension at Home Home health agency, Indianapolis, IN, CCN 157083
• Ascension St Vincent Carmel Hospital, Carmel, IN, CCN 150157
• Ascension St Vincent Hospital Hospital, Indianapolis, IN, CCN 150084
• Ascension St Vincent Fishers Hospital, Fishers, IN, CCN 150181
• Riverview Health Hospital, Noblesville, IN, CCN 150059
• Indiana University Health Hospital, Indianapolis, IN, CCN 150056

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gary.ayres.2@7598.direct.athenahealth.com

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.

• St. Vincent Medical Group, Inc.

  dba Ascension Medical Group St. Vincent

  • Orthopaedic Surgery Physician
  • Winchester, IN
  • NPI 1144513375

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• St. Vincent Medical Group, Inc.

  dba Ascension Medical Group St. Vincent

  • Internal Medicine Physician
  • Carmel, IN
  • NPI 1811881527
  NPD
• Care Group LLC

  • Cardiovascular Disease Physician
  • Indianapolis, IN
  • NPI 1649220195

  Internal Medicine

  NPD (past)
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)
• St Vincent Medical Group Inc

  • Cardiovascular Disease Physician
  • Indianapolis, IN
  • NPI 1558686436
  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
• Riverview Hospital

  • General Acute Care Hospital
  • Noblesville, IN
  • NPI 1700883717
  Care Compare affiliation
• St Vincent Fishers Hospital Inc

  dba Ascension St Vincent Fishers

  • General Acute Care Hospital
  • Fishers, IN
  • NPI 1881956167
  Care Compare affiliation
• St. Vincent Carmel Hospital, Inc.

  dba Ascension St. Vincent Carmel

  • General Acute Care Hospital
  • Carmel, IN
  • NPI 1639124134
  Care Compare affiliation
• St. Vincent Home Care, LLC

  dba Ascension at Home

  • Home Health Agency
  • Indianapolis, IN
  • NPI 1205875424
  Care Compare affiliation
• St. Vincent Hospital & Health Care Center, Inc.

  dba Ascension St. Vincent Hospital

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1306898960
  Care Compare affiliation
• St. Vincent Hospital & Health Care Center, Inc.

  dba Ascension St. Vincent - Avon

  • General Acute Care Hospital
  • Avon, IN
  • NPI 1851833230
  Care Compare affiliation

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

{
    "created_epoch": "1139788800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1962475574",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13450 N MERIDIAN ST STE 363",
            "city": "CARMEL",
            "state": "IN",
            "postal_code": "460327120"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13450 N MERIDIAN ST STE 363",
            "city": "CARMEL",
            "state": "IN",
            "postal_code": "460327120",
            "telephone_number": "317-582-8315"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AYRES",
        "first_name": "GARY",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-13",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01032756A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200008540",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gary.ayres.1@7598.direct.athenahealth.com",
            "affiliation": "Y",
            "affiliationName": "St. Vincent Medical Group, Inc.",
            "address_1": "7199 Easy St",
            "city": "Fishers",
            "state": "IN",
            "country_code": "US",
            "postal_code": "460382641",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Keith Avin, DPT
• Audrey C Avitabile, APRN
• Lidia Ayad, MSW, LSW
• Sandee Kay Ayala, COTA
• Ragia Ayoub
• Siera L Babcock
• Joshua Bachman, PTA
• Back in Motion
• Lauren G Back
• Sandra E Bacon, DDS

• Internal Medicine Physician in Carmel, IN
• Providers in Carmel, IN by specialty
• Internal Medicine Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.