Dr. Johnny Lee Williamson is a psychiatrist based in New Lenox, Illinois with 29 years of experience in Child & Adolescent Psychiatry. He completed his graduation from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1997. He is also affiliated with hospitals like 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 Psychiatry in Illinois. His current practice location is 2081 Calistoga Dr, Suite 2s, New Lenox. Patients can contact him at 815-418-6070 or can fax him at 779-803-3119. Dr. Johnny Lee Williamson, MD, specializes in Child & Adolescent Psychiatry 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.
Practice Information
Dr. Johnny Lee Williamson's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Provider Name Dr. Johnny Lee Williamson
Specialization Child & Adolescent Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 29+ years
Medical School Attended University Of Illinois College Of Med (chi/peor/rock/chm-urb)
Graduation Year 1997
Gender Male
Practice Address: 2081 Calistoga Dr, Suite 2s New Lenox, IL - 60451-4831
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare 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 Number1144310509
NPI Enumeration Date: 13 Oct, 2006
NPI Last Update On: 26 Dec, 2025
Medical Licenses:
Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Johnny Lee Williamson are as mentioned below.
Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN)
StateHospital Type
(140122)Hinsdale, ILAcute Care Hospital
Group Practice
Group practices are practice of medicine by a group of healthcare professionals 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 professional identifiers associated with Dr. Johnny Lee Williamson such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
036100519MedicaidIllinois
Mailing Address
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.
Dr. Johnny Lee Williamson 2081 Calistoga Dr Ste 2s, New Lenox, IL - 60451-4833 Phone: 815-418-6070 Fax: 779-803-3119
Book an Appointment with Dr. Johnny Lee Williamson
To schedule an appointment, contact Dr. Johnny Lee Williamson at 2081 Calistoga Dr, Suite 2s, New Lenox, Illinois or call the phone number listed below.
Below are some commonly asked questions about Dr. Johnny Lee Williamson:
Dr. Johnny Lee Williamson is a psychiatrist specializing in Child & Adolescent Psychiatry. He has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Dr. Johnny Lee Williamson completed his education (MD) from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1997.
Dr. Johnny Lee Williamson has approximately 29 years of experience in Child & Adolescent Psychiatry.
Yes, Dr. Johnny Lee Williamson accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.
Yes, Dr. Johnny Lee Williamson is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment. *Availability may change. Please contact the office directly to ask about appointments.
Dr. Johnny Lee Williamson practices at 2081 Calistoga Dr, Suite 2s, New Lenox, Illinois, 60451-4831.
To schedule an appointment with Dr. Johnny Lee Williamson, please contact the office at 815-418-6070.
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