NPIMap

Individual provider Active NPI

Leo T D'Ambrosio, MD

  • Neurology Physician
  • Indianapolis, IN
National Provider Identifier
1255335949
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
01034457A Issued in IN
Practice address
8051 S Emerson Ave Ste 350
Indianapolis, IN 46237-8634
Phone
(317) 859-1020
Fax
(317) 859-4040
NPI assigned
Jun 9, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 01034457A IN Primary

Addresses

Primary practice location

8051 S Emerson Ave Ste 350
Indianapolis, IN 46237-8634

Mailing address

6983 Hillsdale CT
Indianapolis, IN 46250-2054
Phone (317) 308-2800

Other identifiers 2

IdentifierTypeStateIssuer
100129690MedicaidIN
000000089473OtherINANTHEM BXBS

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address referrals@jwmn.gwaydirect.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040621001708 IN Practitioner - Neurology 9830174127 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Indiana University School of Medicine, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Josephson-Wallack-Munshower Neurology PCGroup PAC ID 6709868870, 59 clinicians

Practice addresses (Care Compare)

8051 S Emerson Ave
Suite 350
Indianapolis, IN 46237-8634
Phone (317) 859-1020

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
69.89 of 100Reported as group
Promoting interoperability
56
Improvement activities
40
Cost
76.39

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Josephson-Wallack-Munshower Neurology PC Neurology CurrentSince Sep 1, 1995 Accepting new patients
Daviess County Hospital CurrentSince Nov 1, 2022 Accepting new patients
Daviess County Hospital CurrentSince Nov 1, 2022 Accepting new patients
Daviess County Hospital Current Accepting new patients
Major Hospital Past Accepting new patients
Josephson-Wallack-Munshower Neurology PC Neurology Past Accepting new patients

Locations

1159 W Jefferson St
Ste 206
Franklin, IN 46131
Phone (317) 738-4430

1400 N Ritter Ave
Ste 120
Indianapolis, IN 46219
Phone (317) 355-1000

1400 N Ritter Ave
Ste 220
Indianapolis, IN 46219
Phone (317) 355-1555

8051 S Emerson Ave
Ste 350
Indianapolis, IN 46237
Phone (317) 859-1020

6983 Hillsdale Ct
Indianapolis, IN 46250

1203 Hadley Rd
Ste 202
Mooresville, IN 46158
Phone (317) 859-1020

1314 E Walnut St
Washington, IN 47501
Phone (812) 254-2250

1402 Grand Ave
Washington, IN 47501
Phone (812) 254-2250

Interoperability endpoints

  • FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.1753
  • Direct secure messaging: ldambrosio10662@direct.franciscanalliance.org

Organizations & group practices 6

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1118275200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1255335949",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6983 HILLSDALE CT",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462502054",
            "telephone_number": "317-308-2800",
            "fax_number": "317-576-6311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8051 S EMERSON AVE STE 350",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462378634",
            "telephone_number": "317-859-1020",
            "fax_number": "317-859-4040"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "D'AMBROSIO",
        "first_name": "LEO",
        "middle_name": "T",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-09",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "IN",
            "license": "01034457A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100129690",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BXBS",
            "identifier": "000000089473",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "referrals@jwmn.gwaydirect.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "8051 S Emerson Ave Ste 350",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462378634",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.