Jay Hamm

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

20042762A Issued in IN

Practice address

720 Eskenazi Ave
Indianapolis, IN 46202-5187

Phone

(317) 880-7666

NPI assigned

Apr 29, 2014

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 IN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

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

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jhamm9117@direct.eskenazihealth.edu

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.

• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • Nurse Practitioner
  • Indianapolis, IN
  • NPI 1104027879
  Medicare reassignment Care Compare group NPD
• The Health and Hospital Corporation of Marion County

  • Federally Qualified Health Center (FQHC)
  • Indianapolis, IN
  • NPI 1083953442
  NPD

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

• 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": "1398729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758067200000",
    "number": "1568872612",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 637764",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452637764",
            "telephone_number": "317-880-3939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "720 ESKENAZI AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025187",
            "telephone_number": "317-880-7666"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMM",
        "first_name": "JAY",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-04-29",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IN",
            "license": "20042762A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jhamm9117@direct.eskenazihealth.edu",
            "affiliation": "N",
            "address_1": "720 Eskenazi Ave",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025187",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Tamara K Hamilton, LCSW
• Tiffany Hamilton
• Hamiltons Family Homecare Services LLC
• Hamiltons Health Aid Services, Inc
• Kathleen K. Hamlin, LCSW
• Mackenzie Hamm, LCSW
• Mary Rose Hamm
• Maxwell Castle Hamm
• Michael A.V. Hamm, LMHC
• Jeff Michael Hamman, MD

• Clinical Psychologist in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Clinical Psychologist in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 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.