Active NPI
Wala M Abusalah, MD
- Nephrology Physician
- Indianapolis, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- 01100040A
- Practice address
- 550 University Blvd
Indianapolis, IN 46202-5149 - Phone
- (317) 944-4370
- NPI assigned
- Dec 8, 2018
- Last updated
- Aug 14, 2026
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | 01100040A | IN | Primary |
| Nephrology Physician | 207RN0300X | 65543 | TN | |
| Internal Medicine Physician | 207R00000X | 01100040A | IN |
Addresses
Primary practice location
550 University Blvd
Indianapolis, IN 46202-5149
Mailing address
250 N Shadeland Ave
Indianapolis, IN 46219-4959
Other practice location 1
1924 Alcoa Hwy
Knoxville, TN 37920-6900
Phone (865) 305-6117
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | WABUSALAH@DIRECT.IUHEALTH.ORG | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TN, IN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Neurology
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1924 Alcoa Hwy
Knoxville, TN 37920-1511
907 E Lamar Alexander Pkwy
Suite 425
Maryville, TN 37804-5015
Phone (865) 305-8040
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 96.48 of 100
- Quality
- 86.23
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 01100040A | IN | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University Health System Inc | Current | Accepting new patients | |
| University Health System, Inc | Internal Medicine | Current | Accepting new patients |
| University Health System, Inc | Current | Accepting new patients | |
| Knoxville Neurology Specialists, PLLC | Past | Accepting new patients |
Locations
1924 Alcoa Hwy
Knoxville, TN 37920
Phone (865) 305-9000
1940 Alcoa Hwy
Ste E120
Knoxville, TN 37920
Phone (865) 305-8040
9000 Executive Park Dr
Ste C200
Knoxville, TN 37923
Phone (865) 670-6142
907 E Lamar Alexander Pkwy
Ste 425
Maryville, TN 37804
Phone (865) 305-8040
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba UT Internal Medicine Pellissippi
- Internal Medicine Physician
- Knoxville, TN
- NPI 1790738763
-
dba University Thoracic Surgeons
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Knoxville, TN
- NPI 1306609748
-
dba UT Vascular and Transplant Surgeons
- Vascular Surgery Physician
- Knoxville, TN
- NPI 1891002523
-
- Neurology Physician
- Knoxville, TN
- NPI 1720003338
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba University of Tennessee Medical Center
- General Acute Care Hospital
- Knoxville, TN
- NPI 1538164090
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1544227200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786665600000",
"number": "1578034161",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "250 N SHADELAND AVE",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462194959"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "550 UNIVERSITY BLVD",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462025149",
"telephone_number": "317-944-4370"
}
],
"practiceLocations": [
{
"address_1": "1924 Alcoa Hwy",
"address_purpose": "LOCATION",
"city": "Knoxville",
"state": "TN",
"postal_code": "379206900",
"country_code": "US",
"telephone_number": "865-305-6117",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ABUSALAH",
"first_name": "WALA",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2018-12-08",
"last_updated": "2026-08-14",
"certification_date": "2026-08-14",
"status": "A"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "IN",
"license": "01100040A",
"primary": true
},
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "TN",
"license": "65543",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IN",
"license": "01100040A",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "WABUSALAH@DIRECT.IUHEALTH.ORG",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "550 University Blvd",
"city": "Indianapolis",
"state": "IN",
"country_code": "US",
"postal_code": "462025149",
"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 14, 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.
- 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.