Active NPI
Robert Simpson Williams, MD
- Urology Physician
- Fishers, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urology Physician
- License
- 01037193A
- Practice address
- 14300 E 138TH St BLDG a
Fishers, IN 46037-0087 - Phone
- (317) 813-1660
- Fax
- (317) 813-1667
- NPI assigned
- Jun 3, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Urology Physician | 208800000X | 01037193A | IN | Primary |
Addresses
Primary practice location
14300 E 138TH St BLDG a
Fishers, IN 46037-0087
Mailing address
679 E County Line Rd
Greenwood, IN 46143-1049
Phone (317) 890-2000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100106860A | Medicaid | IN |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Urology
- Education
- Indiana University School of Medicine, 1984
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
141 W 22ND St
Suite 213
Anderson, IN 46016-4389
Phone (765) 289-7444
Hospital & facility affiliations
- Ascension St Vincent Anderson
- Ascension St Vincent Randolph
- Indiana University Health Ball Memorial Hospital
- Community Hospital of Anderson and Madison County
- Henry County Memorial Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Promoting interoperability
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Prostate resection | 16 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 01037193 | IN | MD | Urology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Urology Associates, LLC | Urology | Current | Accepting new patients |
| Urology Associates, LLC | Urology | Current | Accepting new patients |
| Major Hospital | Past | Accepting new patients |
Locations
141 W 22nd St
Ste 213
Anderson, IN 46016
Phone (317) 643-0766
2525 W University Ave
Ste 504
Muncie, IN 47303
Phone (765) 289-7127
505 New York Ave
New Castle, IN 47362
Phone (765) 599-3800
500 W Votaw St
Portland, IN 47371
Phone (260) 726-6515
473 SE Greenville Ave
Winchester, IN 47394
Phone (765) 584-0004
Interoperability endpoints
- robertwilliams@urassoc.medalliesdirect.net
- rwilliams63249@ecommunitydirect.com
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.
-
- Urology Physician
- Anderson, IN
- NPI 1326093147
-
- Durable Medical Equipment & Medical Supplies
- New Castle, IN
- NPI 1376391334
Urology
-
- General Acute Care Hospital
- Shelbyville, IN
- NPI 1174555692
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Anderson, IN
- NPI 1972500452
-
- General Acute Care Hospital
- New Castle, IN
- NPI 1356428429
-
- General Acute Care Hospital
- Muncie, IN
- NPI 1225195340
-
- General Acute Care Hospital
- Anderson, IN
- NPI 1679578850
-
- Critical Access Hospital
- Winchester, IN
- NPI 1609826783
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149292800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787875200000",
"number": "1851339709",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "679 E COUNTY LINE RD",
"city": "GREENWOOD",
"state": "IN",
"postal_code": "461431049",
"telephone_number": "317-890-2000",
"fax_number": "317-859-7220"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "14300 E 138TH ST BLDG A",
"city": "FISHERS",
"state": "IN",
"postal_code": "460370087",
"telephone_number": "317-813-1660",
"fax_number": "317-813-1667"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "ROBERT",
"middle_name": "SIMPSON",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-03",
"last_updated": "2026-08-28",
"certification_date": "2026-08-28",
"status": "A"
},
"taxonomies": [
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "IN",
"license": "01037193A",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100106860A",
"state": "IN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Fishers, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 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.