Individual provider Active NPI

Jason Zachary Niehaus, MD

  • Neonatal-Perinatal Medicine Physician
  • Indianapolis, IN
National Provider Identifier
1578798286
Registry record updated Mar 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
01069832A Issued in IN
Practice address
705 Riley Hospital Dr
RR 208
Indianapolis, IN 46202-5109
Phone
(317) 274-4715
Fax
(317) 948-9806
NPI assigned
May 26, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal-Perinatal Medicine Physician 2080N0001X 01069832A IN Primary

Addresses

Primary practice location

705 Riley Hospital Dr
RR 208
Indianapolis, IN 46202-5109

Mailing address

PO Box 719094
Chicago, IL 60677-9318
Phone (317) 777-6435

Other identifiers 1

IdentifierTypeStateIssuer
201041290MedicaidIN

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jniehaus@direct.iuhealth.org

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20120406000000 IN Practitioner - Pediatric MedicinePractitioner - Internal Medicine 6406017177 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Iu Health Medical Group Riley Specialists, LLC CurrentSince Jan 1, 2026 Accepting new patients

Locations

1030 W Michigan St
Ste C4600
Indianapolis, IN 46202
Phone (317) 274-4716

705 Riley Hospital Dr
Indianapolis, IN 46202
Phone (317) 274-4779

720 Eskenazi Ave
Indianapolis, IN 46202
Phone (317) 880-0000

705 Riley Hospital Dr
#208
Indianapolis, IN 46202
Phone (317) 274-4715

Interoperability endpoints

  • Direct secure messaging: jniehaus16205@direct.eskenazihealth.edu
  • Direct secure messaging: jniehaus@direct.excelahealth.org

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1243296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772755200000",
    "number": "1578798286",
    "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": "RR 208",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025109",
            "telephone_number": "317-274-4715",
            "fax_number": "317-948-9806"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEHAUS",
        "first_name": "JASON",
        "middle_name": "ZACHARY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-05-26",
        "last_updated": "2026-03-06",
        "certification_date": "2026-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "IN",
            "license": "01069832A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "201041290",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jniehaus@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "705 Riley Hospital Dr",
            "address_2": "RR 208",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.