Johnny Lee Williamson, MD
Child & Adolescent Psychiatry Physician · New Lenox, IL
Johnny Lee Williamson, MD is a child & adolescent psychiatry physician with a practice address in New Lenox, Illinois, and NPI 1144310509, issued on Oct 13, 2006. Check the license (Illinois 036100519, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Johnny Lee Williamson
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License numbers
- 036100519 IL
169712 CA
D0090783 MD
2022-02652 NC
Self-reported in NPPES; status is on the state search - Practice location
- 2081 Calistoga Dr, New Lenox, IL 60451
- Phone
- (815) 418-6070
- Enumerated
- Oct 13, 2006
- Record last updated
- Dec 26, 2025
- Fax
- (779) 803-3119
- Medicaid ID
- 036100519 IL
- Medicare enrollment
- Enrolled (PECOS I20100506000811); accepts Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 267 in Illinois → Look up another NPI →
Also registered at 2081 Calistoga Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pamela Davis, LPCProfessional Counselor1285087205
- Alyssa Faller, LCSWClinical Social Worker1336913144
- Karyn Horan, LPCProfessional Counselor1861852188
- Sarah Kelder, PSY.D.Clinical Psychologist1346432986
- Arlene Paden, M.D.Psychiatry Physician1093876534
- Samantha Pagana, LPCProfessional Counselor1396515136
Verify Johnny Lee Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036100519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
148 Medicare Part D claims for 22 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin17 claims
- Clonazepam14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $54.74
3 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 1,578 providers of this specialty with any payment received $1,427.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Carson Tahoe Physician ClinicsCarson City, NV
- Connections Medical Group Associates LLCNew Lenox, IL
- Regional Hospital Healthcare Partners LLCTerre Haute, IN
- Wakemed Specialists Group LLCRaleigh, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johnny Lee Williamson among 267 child & adolescent psychiatry physician records in Illinois
Johnny Lee Williamson, MD is one of 267 child & adolescent psychiatry physician records with a practice address in Illinois. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated1997 · median 2002 among the 95 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Illinois
There are 267 child & adolescent psychiatry physician records in Illinois.
All 267 in Illinois → Every provider in New Lenox → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- James Mackenzie, D.O.Oak Lawn, IL 604531811068554
- Darrian Murphy, MDOak Lawn, IL 604531982167730
- Saisha Gupta, MDOlympia Fields, IL 604611083733919
- Martins Adeoye, MDOrland Park, IL 604621962431726
- Vijay Chand, M.D.Palos Heights, IL 604631629343793
- Jorge Fernald, MDPalos Heights, IL 604631912056326
- Semone West, MDLemont, IL 604391750475109
- Rajitha Avva, MDPalos Park, IL 604641730233297
Common questions
What is Johnny Lee Williamson, MD's NPI number?
Johnny Lee Williamson, MD's National Provider Identifier (NPI) is 1144310509, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johnny Lee Williamson, MD located?
The NPPES record lists a practice address at 2081 Calistoga Dr, New Lenox, IL, 60451. Phone: (815) 418-6070. Providers update this record themselves, so call before visiting.
How can I verify Johnny Lee Williamson, MD's license?
NPPES lists Illinois license number 036100519, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johnny Lee Williamson, MD prescribe under Medicare Part D?
In 2024, Johnny Lee Williamson, MD had 148 Medicare Part D claims for 22 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.