Active NPI
Philip Williams
- Psychiatry Physician
- Evanston, IL
National Provider Identifier
1164050159
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 036.171068
- Practice address
- 500 Davis St
Evanston, IL 60201-4668 - Phone
- (312) 640-7745
- NPI assigned
- Mar 27, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 036.171068 | IL | Primary |
Addresses
Primary practice location
500 Davis St
Evanston, IL 60201-4668
Mailing address
3535 Market St FL 2
Philadelphia, PA 19104-3317
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.171068 | IL | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Meridian Psychiatric Partners, LLC | Psychiatry | Past | Accepting new patients |
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.
-
- Psychiatry Physician
- Chicago, IL
- NPI 1982873766
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1585267200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759795200000",
"number": "1164050159",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3535 MARKET ST FL 2",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191043317"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "500 DAVIS ST",
"city": "EVANSTON",
"state": "IL",
"postal_code": "602014668",
"telephone_number": "312-640-7745"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "PHILIP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-03-27",
"last_updated": "2025-10-07",
"certification_date": "2025-10-07",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "IL",
"license": "036.171068",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Evanston, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.