Active NPI
Johnny Lee Williamson, MD
- Child & Adolescent Psychiatry Physician
- New Lenox, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Child & Adolescent Psychiatry Physician
- License
- 036100519
- Practice address
- 2081 Calistoga Dr
Suite 2S
New Lenox, IL 60451-4831 - Phone
- (815) 418-6070
- Fax
- (779) 803-3119
- NPI assigned
- Oct 13, 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 6
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Child & Adolescent Psychiatry Physician | 2084P0804X | 2022-02652 | NC | |
| Child & Adolescent Psychiatry Physician | 2084P0804X | 169712 | CA | |
| Psychiatry Physician | 2084P0800X | D0090783 | MD | |
| Child & Adolescent Psychiatry Physician | 2084P0804X | 036100519 | IL | Primary |
| Psychiatry Physician | 2084P0800X | 036100519 | IL | |
| Psychiatry Physician | 2084P0800X | 169712 | CA |
Addresses
Primary practice location
2081 Calistoga Dr
Suite 2S
New Lenox, IL 60451-4831
Mailing address
2081 Calistoga Dr Ste 2S
New Lenox, IL 60451-4833
Phone (815) 418-6070
Other practice location 1
3000 New Bern Ave
Raleigh, NC 27610-1231
Phone (919) 350-8000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036100519 | Medicaid | IL |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL, WI, IN, NV, MD, NC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 6
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- Meharry Medical College School of Medicine, 1997
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
2081 Calistoga Dr
Suite 2S
New Lenox, IL 60451-4831
2081 Calistoga Dr
Suite 2S
New Lenox, IL 60451-4833
Phone (815) 418-6070
3000 New Bern Ave
Raleigh, NC 27610-1231
Phone (919) 350-7270
775 Fleischmann Way
FL 2
Carson City, NV 89703-2995
Phone (775) 445-7756
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 169712 | CA | MD | Psychiatry Physician |
| 036100519 | IL | MD | Psychiatry Physician |
| D0090783 | MD | MD | Psychiatry Physician |
| 2022-02652 | NC | MD | Child & Adolescent Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Wakemed Specialists Group, LLC | Psychiatry | Current | Accepting new patients |
| CTH Physicians Clinic | Psychiatry | Current | Accepting new patients |
| Uhs of Hartgrove, Inc | Psychiatry | Current | Accepting new patients |
| Wakemed Specialists Group LLC | Current | Accepting new patients | |
| Carson Tahoe Regional Healthcare | Current | Accepting new patients | |
| Meritus Medical Center Inc | Current | Accepting new patients | |
| Union Hospital, Inc. | Current | Accepting new patients | |
| Carson Tahoe Physician Clinics | Current | Accepting new patients | |
| Union Hospital, Inc. | Current | Accepting new patients | |
| Ascension Medical Group-Fox Valley Wisconsin, Inc | Current | Accepting new patients | |
| Meritus Medical Center Inc | Current | Accepting new patients | |
| Uhs of Hartgrove, Inc. | Psychiatry | Current | Accepting new patients |
| Ascension Medical Group-Fox Valley Wisconsin, Inc | Current | Accepting new patients | |
| Carson Tahoe Regional Healthcare | Current | Accepting new patients | |
| Regional Hospital Healthcare Partners LLC | Current | Accepting new patients | |
| Meritus Medical Center Inc | Current | Accepting new patients | |
| Wakemed Specialists Group, LLC | Current | Accepting new patients | |
| Major Hospital | Past | Accepting new patients | |
| Brook Lane Health Services, Inc. | Past | Accepting new patients | |
| Behavioral Health and Education Specialists Inc | Psychiatry | Past | Accepting new patients |
| Bhes Medical Group, LLC | Child & Adolescent Psychiatry | Past | Accepting new patients |
Locations
5730 W Roosevelt Rd
Chicago, IL 60644
Phone (773) 413-1700
1606 N 7th St
Terre Haute, IN 47804
Phone (812) 238-7523
3903 S 7th St
Ste 2F
Terre Haute, IN 47802
Phone (812) 232-9596
3901 S 7th St
Terre Haute, IN 47802
Phone (812) 232-0021
11116 Medical Campus Rd
Hagerstown, MD 21742
Phone (301) 766-7600
1900 Kildaire Farm Rd
Cary, NC 27518
Phone (919) 350-2300
3000 New Bern Ave
Raleigh, NC 27610
Phone (919) 350-7000
111 Sunnybrook Rd
Raleigh, NC 27610
Phone (919) 216-2955
775 Fleischmann Way
Fl 2
Carson City, NV 89703
Phone (775) 445-5632
1600 Medical Pkwy
Carson City, NV 89703
Phone (775) 220-9149
775 Fleischmann Way
Carson City, NV 89703
Phone (775) 445-5632
2874 N Carson St
Ste 200
Carson City, NV 89706
Phone (775) 283-3220
901 Medical Center Dr
Ste 203
Dayton, NV 89403
Phone (775) 445-7630
10539 Professional Cir
Ste 200
Reno, NV 89521
Phone (775) 445-7026
2000 Health Park Dr
Brentwood, TN 37027
Phone (615) 372-5426
1501 S Madison St
Appleton, WI 54915
Phone (920) 730-4435
1531 S Madison St
Ste 580
Appleton, WI 54915
Phone (920) 730-4411
2700 W 9th Ave
Oshkosh, WI 54904
Phone (920) 223-0220
Interoperability endpoints
- jwilliamson1177473@meritus.direct-ci.net
- jwilliamson687332@direct.med.utah.edu
Organizations & group practices 22
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.
-
- Internal Medicine Physician
- Carson City, NV
- NPI 1023265717
-
- Cardiovascular Disease Physician
- Raleigh, NC
- NPI 1588227839
-
- Child & Adolescent Psychiatry Physician
- New Lenox, IL
- NPI 1548697618
-
- Multi-Specialty Clinic/Center
- Neenah, WI
- NPI 1730126392
-
- General Acute Care Hospital
- Carson City, NV
- NPI 1255360160
-
- Nurse Practitioner
- Hagerstown, MD
- NPI 1205176393
-
- Surgery Physician
- Terre Haute, IN
- NPI 1194968958
-
- Family Medicine Physician
- Terre Haute, IN
- NPI 1013965573
-
- Child & Adolescent Psychiatry Physician
- Chicago, IL
- NPI 1538560339
-
- Cardiovascular Disease Physician
- Appleton, WI
- NPI 1831890177
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Carson City, NV
- NPI 1255360160
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Carson City, NV
- NPI 1568281988
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160697600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766707200000",
"number": "1144310509",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2081 CALISTOGA DR STE 2S",
"city": "NEW LENOX",
"state": "IL",
"postal_code": "604514833",
"telephone_number": "815-418-6070",
"fax_number": "779-803-3119"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2081 CALISTOGA DR",
"address_2": "SUITE 2S",
"city": "NEW LENOX",
"state": "IL",
"postal_code": "604514831",
"telephone_number": "815-418-6070",
"fax_number": "779-803-3119"
}
],
"practiceLocations": [
{
"address_1": "3000 New Bern Ave",
"address_purpose": "LOCATION",
"city": "Raleigh",
"state": "NC",
"postal_code": "276101231",
"country_code": "US",
"telephone_number": "919-350-8000",
"fax_number": "919-350-7204",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WILLIAMSON",
"first_name": "JOHNNY",
"middle_name": "LEE",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-10-13",
"last_updated": "2025-12-26",
"certification_date": "2025-12-26",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "NC",
"license": "2022-02652",
"primary": false
},
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "CA",
"license": "169712",
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MD",
"license": "D0090783",
"primary": false
},
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "IL",
"license": "036100519",
"primary": true
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "IL",
"license": "036100519",
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "169712",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036100519",
"state": "IL"
}
],
"endpoints": [],
"other_names": []
}
Other providers in New Lenox, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 26, 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.