Physician Profile
Johnny Lee Williamson, MD
Unclaimed ProfileAbout Dr. Williamson
Based in New Lenox, IL, Johnny Lee Williamson, MD is listed in the NPI registry under psychiatry. Johnny graduated from Meharry Medical College School of Medicine in 1997. Johnny is also listed as specializing in child & adolescent psychiatry. Medicare claims data shows Johnny provided 100 services to 35 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (815) 418-6070
- Email not available
Practice Locations
2081 CALISTOGA DR SUITE 2S
New Lenox, IL 60451
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
100 services · 35 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
56 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
44 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatry specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Trained at Meharry Medical College School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Meharry Medical College School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Williamson specialize in?
Dr. Williamson is a psychiatry in New Lenox, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Where is Dr. Williamson located?
Dr. Williamson is listed at 2081 CALISTOGA DR SUITE 2S, New Lenox, IL 60451. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Williamson's phone number?
The number on file is (815) 418-6070. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williamson?
Dr. Williamson's National Provider Identifier is 1144310509. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Williamson go to medical school?
Dr. Williamson attended Meharry Medical College School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Williamson have?
Dr. Williamson has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Williamson do most often?
According to Medicare billing data, Dr. Williamson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williamson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williamson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.