Dr. Johnny Lee Williamson is a New Lenox, Illinois based psychiatrist with 28 years of experience in Child & Adolescent. He completed his graduation from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1997. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Johnny Lee Williamson is 036100519 for Child & Adolescent in Illinois. His current practice location is 2081 Calistoga Dr, Suite 2s, New Lenox. Patients can reach him at 815-418-6070 or can fax him at 779-803-3119. Dr. Johnny Lee Williamson is MD in Child & Adolescent and his NPI number (Unique professional ID assigned by NPPES) is 1144310509. Dr. Johnny Lee Williamson has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Complete Profile:
Dr. Johnny Lee Williamson speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
Name:
Dr. Johnny Lee Williamson
Specialization:
Child & Adolescent
Gender:
Male
Credentials:
MD
Experience:
28+ years
Medical School Attended:
University Of Illinois College Of Med (chi/peor/rock/chm-urb)
Graduation Year:
1997
Accepts Medicare Assignment:
Yes
Practice Address:
2081 Calistoga Dr, Suite 2s, New Lenox, Illinois, 60451-4831
Phone:
815-418-6070
Fax:
779-803-3119
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
PAC ID:
9335277631
Enrollment ID:
I20100506000811
NPI Number:
1144310509
NPI Enumeration Date:
13 Oct, 2006
NPI Last Update On:
22 Sep, 2025
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Johnny Lee Williamson are as mentioned below.
License Number
Specialization
State
Status
036100519
Child & Adolescent
Illinois
Primary
2022-02652
Child & Adolescent
North Carolina
Secondary
169712
Child & Adolescent
California
Secondary
036100519
Psychiatry
Illinois
Secondary
169712
Psychiatry
California
Secondary
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
Hospital Name (CCN)
State
Hospital Type
(140122)
Hinsdale, IL
Acute Care Hospital
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which Dr. Johnny Lee Williamson is associated with along with the number of members in that group.
Organization Name (Group PAC ID)
Members
Connections Medical Group Associates Llc (2365662517)
7
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Johnny Lee Williamson such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
Identifier
Type
State
Issuer
036100519
Medicaid
Illinois
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address:
Dr. Johnny Lee Williamson 2081 Calistoga Dr Ste 2s, New Lenox, Illinois
Zip:
60451-4833
Phone Number:
815-418-6070
Fax Number:
779-803-3119
Patients can reach Dr. Johnny Lee Williamson at 2081 Calistoga Dr, Suite 2s, New Lenox, Illinois or can call to book an appointment on 815-418-6070.
Comments/ Reviews:
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.