Abigail F Klemsz, MD, PHD

Primary specialty

Developmental - Behavioral Pediatrics PhysicianTaxonomy code 2080P0006X

License

01044730 Issued in IN

Practice address

705 Riley Hospital Dr
Ri 1601
Indianapolis, IN 46202-5109

Phone

(317) 944-4842

Fax

(317) 948-0126

NPI assigned

Aug 25, 2006

Sex

Female

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 4

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aklemsz@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 Riley Specialists, LLC

  • Pediatrics Physician
  • Indianapolis, IN
  • NPI 1699561480
  Medicare reassignment NPD
• University Pediatric Associates, Inc.

  • Pediatrics Physician
  • Indianapolis, IN
  • NPI 1457396541
  Medicare reassignment NPD
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)

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

{
    "created_epoch": "1156464000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1912014770",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 719094",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606779318",
            "telephone_number": "317-777-6435",
            "fax_number": "317-777-6644"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "705 RILEY HOSPITAL DR",
            "address_2": "RI 1601",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025109",
            "telephone_number": "317-944-4842",
            "fax_number": "317-948-0126"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "702 N BARNHILL DR RI 1601",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "46202",
            "country_code": "US",
            "telephone_number": "317-944-4846",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLEMSZ",
        "first_name": "ABIGAIL",
        "middle_name": "F",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-25",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0006X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Developmental - Behavioral Pediatrics",
            "state": "IN",
            "license": "01044730",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "64017742",
            "state": "KY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1011390",
            "state": "VT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200160120",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4849587",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aklemsz@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "702 N BARNHILL DR RI 1601",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "46202",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Kylie Hayes Klemann, MD, MPH, MBA
• Katherine Klemkosky, MD
• Nora Klemm, LCSW
• Uwe G. Klemm, C.R.N.A.
• Cathlyn Margot Klemmensen
• Lillian Klemsz
• Francis James Klene, P.T.
• Alison S. Klenk, MD
• Vanessa D Klenke, NP
• Julie A Klensch, MD

• Developmental - Behavioral Pediatrics Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Developmental - Behavioral Pediatrics Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.