Individual provider Active NPI

Johnny Lee Williamson, MD

  • Child & Adolescent Psychiatry Physician
  • New Lenox, IL
National Provider Identifier
1144310509
Registry record updated Dec 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X
License
036100519 Issued in IL
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

Updated by the provider on Dec 26, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
036100519MedicaidIL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, WI, IN, NV, MD, NC6 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 6

Enrollment IDStateProvider typePAC IDDetails
I20100506000811 IL Practitioner - PsychiatryPractitioner - Geriatric Psychiatry 9335277631 Reassigns benefits to 2 organizations
I20231227001050 WI Practitioner - Psychiatry 9335277631 Reassigns benefits to 1 organization
I20240402001363 IN Practitioner - Psychiatry 9335277631 Reassigns benefits to 2 organizations
I20240530001202 NV Practitioner - Psychiatry 9335277631 Reassigns benefits to 3 organizations
I20250815003233 MD Practitioner - Psychiatry 9335277631 Reassigns benefits to 1 organization
I20251114000174 NC Practitioner - Psychiatry 9335277631 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
PsychiatryAlso: Geriatric 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
Connections Medical Group Associates LLCGroup PAC ID 2365662517, 14 clinicians
Wakemed Specialists Group LLCGroup PAC ID 2466788377, 868 clinicians
Carson Tahoe Physician ClinicsGroup PAC ID 1153479027, 104 clinicians

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

LicenseStateTypeSpecialty
169712CAMDPsychiatry Physician
036100519ILMDPsychiatry Physician
D0090783MDMDPsychiatry Physician
2022-02652NCMDChild & Adolescent Psychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wakemed Specialists Group, LLC Psychiatry CurrentSince Sep 22, 2025 Accepting new patients
CTH Physicians Clinic Psychiatry CurrentSince Dec 1, 2025 Accepting new patients
Uhs of Hartgrove, Inc Psychiatry CurrentSince Nov 17, 2019 Accepting new patients
Wakemed Specialists Group LLC CurrentSince Sep 22, 2025 Accepting new patients
Carson Tahoe Regional Healthcare CurrentSince Mar 25, 2024 Accepting new patients
Meritus Medical Center Inc CurrentSince Aug 1, 2025 Accepting new patients
Union Hospital, Inc. CurrentSince Dec 5, 2024 Accepting new patients
Carson Tahoe Physician Clinics CurrentSince Apr 30, 2024 Accepting new patients
Union Hospital, Inc. CurrentSince Dec 5, 2024 Accepting new patients
Ascension Medical Group-Fox Valley Wisconsin, Inc CurrentSince Dec 14, 2023 Accepting new patients
Meritus Medical Center Inc Current Accepting new patients
Uhs of Hartgrove, Inc. Psychiatry CurrentSince Nov 17, 2019 Accepting new patients
Ascension Medical Group-Fox Valley Wisconsin, Inc CurrentSince Dec 14, 2023 Accepting new patients
Carson Tahoe Regional Healthcare CurrentSince Mar 25, 2024 Accepting new patients
Regional Hospital Healthcare Partners LLC CurrentSince Feb 11, 2024 Accepting new patients
Meritus Medical Center Inc CurrentSince Aug 1, 2025 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 PastSince Jul 1, 2010 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

  • Direct secure messaging: jwilliamson1177473@meritus.direct-ci.net
  • Direct secure messaging: 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.

View all 22

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.