Active NPI
Timothy Alan Williams Jr., MD
- Hospitalist Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- 036163881
- Practice address
- 1625 E 75TH St FL 1
Chicago, IL 60649-3603 - Phone
- (773) 947-7310
- NPI assigned
- Jun 30, 2020
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 125.077201 | IL | |
| Hospitalist Physician | 208M00000X | 036163881 | IL | Primary |
Addresses
Primary practice location
1625 E 75TH St FL 1
Chicago, IL 60649-3603
Mailing address
7531 S Stony Island Ave
Chicago, IL 60649-3954
Phone (773) 947-7500
Other practice location 1
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (888) 824-0200
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: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (888) 824-0200
Hospital & facility affiliations
- Ingalls Memorial Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 125.077201 | IL | MD | Family Medicine Physician |
| 036163881 | IL | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of Chicago | Current | Accepting new patients | |
| The University of Chicago Medical Center | Current | Accepting new patients | |
| The University of Chicago Medical Center | Current | Accepting new patients | |
| Jackson Park Hospital | Past | Accepting new patients |
Locations
800 W Central Rd
Arlington Hts, IL 60005
Phone (847) 618-6150
150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061
2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206
2800 W 95th St
Evergreen Pk, IL 60805
Phone (708) 229-5104
1 Ingalls Dr
Harvey, IL 60426
Phone (708) 333-2300
350 N Wall St
Kankakee, IL 60901
Phone (815) 935-7500
120 N Oak St
Oak Brook Mall, IL 60521
Phone (630) 856-6700
Interoperability endpoints
- twilliams259303@uchospital.direct-ci.com
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 and National Provider Directory roles.
-
- Multi-Specialty Clinic/Center
- Chicago, IL
- NPI 1821048786
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1033218128
-
- Community/Retail Pharmacy
- Calumet City, IL
- NPI 1255895678
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1740567312
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Harvey, IL
- NPI 1598756686
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1593475200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1737590400000",
"number": "1124645700",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7531 S STONY ISLAND AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606493954",
"telephone_number": "773-947-7500"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1625 E 75TH ST FL 1",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606493603",
"telephone_number": "773-947-7310"
}
],
"practiceLocations": [
{
"address_1": "5841 S Maryland Ave",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606371443",
"country_code": "US",
"telephone_number": "888-824-0200",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WILLIAMS",
"first_name": "TIMOTHY",
"middle_name": "ALAN",
"name_prefix": "Dr.",
"name_suffix": "Jr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-06-30",
"last_updated": "2025-01-23",
"certification_date": "2025-01-23",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "IL",
"license": "125.077201",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "IL",
"license": "036163881",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 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.