Active NPI
Elliott Walther, MD
- Internal Medicine Physician
- Indianapolis, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 11021613A
- Practice address
- 705 Riley Hospital Dr RM 5837
Indianapolis, IN 46202-5109 - Phone
- (317) 948-0003
- NPI assigned
- Apr 2, 2021
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | 036.175958 | IL | |
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Internal Medicine Physician | 207R00000X | 11021613A | IN | Primary |
Addresses
Primary practice location
705 Riley Hospital Dr RM 5837
Indianapolis, IN 46202-5109
Mailing address
705 Riley Hospital Dr RM 5837
Indianapolis, IN 46202-5109
Phone (317) 948-0003
Other practice location 1
1775 Dempster St Ste E592C
Park Ridge, IL 60068-1143
Phone (312) 609-0300
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ | ||
| Direct Messaging Address | ewalther432174@direct.myadvocateaurora.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Indiana University School of Medicine, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1775 Dempster St
Park Ridge, IL 60068-1143
214 McHenry Rd
Buffalo Grove, IL 60089-6748
Phone (847) 459-1160
4440 W 95TH St
Oak Lawn, IL 60453-2600
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.175958 | IL | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Advocate Health & Hospitals Corporation | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients |
Locations
214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160
29373 Network Pl
Chicago, IL 60673
1775 Dempster St
Ste E592C
Park Ridge, IL 60068
Interoperability endpoints
- ewalther432174@direct.myadvocateaurora.org
Organizations & group practices 3
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.
-
- Multi-Specialty Clinic/Center
- Oak Brook, IL
- NPI 1700824455
-
- Medical Specialty Clinic/Center
- Oak Lawn, IL
- NPI 1912936014
-
- Children's Hospital
- Oak Lawn, IL
- NPI 1508315516
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Park Ridge, IL
- NPI 1164539730
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1617321600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754352000000",
"number": "1760061295",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "705 RILEY HOSPITAL DR RM 5837",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462025109",
"telephone_number": "317-948-0003"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "705 RILEY HOSPITAL DR RM 5837",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462025109",
"telephone_number": "317-948-0003"
}
],
"practiceLocations": [
{
"address_1": "1775 Dempster St Ste E592C",
"address_purpose": "LOCATION",
"city": "Park Ridge",
"state": "IL",
"postal_code": "600681143",
"country_code": "US",
"telephone_number": "312-609-0300",
"fax_number": "847-723-4378",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WALTHER",
"first_name": "ELLIOTT",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2021-04-02",
"last_updated": "2025-08-05",
"certification_date": "2025-08-05",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "IL",
"license": "036.175958",
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IN",
"license": "11021613A",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "1775 Dempster St Ste E592C",
"city": "Park Ridge",
"state": "IL",
"country_code": "US",
"postal_code": "600681143",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "ewalther432174@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "1775 Dempster St Ste E592C",
"city": "Park Ridge",
"state": "IL",
"country_code": "US",
"postal_code": "600681143",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Indianapolis, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.