Dr Johnny Lee Williamson, MD is a medicare enrolled "Psychiatry & Neurology - Child & Adolescent Psychiatry" physician in New Lenox, Illinois. He went to Meharry Medical College School Of Medicine and graduated in 1997 and has 29 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice Connections Medical Group Associates Llc, Regional Hospital Healthcare Partners Llc, Carson Tahoe Physician Clinics and his current practice location is
2081 Calistoga Dr, Suite 2s, New Lenox, Illinois. You can reach out to his office (for appointments etc.) via phone at
(815) 418-6070.
Dr Johnny Lee Williamson is licensed to practice in Illinois (license number 036100519) and he also participates in the medicare program. He
accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1144310509.
Physician's Profile
| Full Name | Dr Johnny Lee Williamson |
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| Gender | Male |
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| Speciality | Psychiatry |
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| Experience | 29 Years |
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| Location | 2081 Calistoga Dr, New Lenox, Illinois |
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| Accepts Medicare Assignments | Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Dr Johnny Lee Williamson attended and graduated from Meharry Medical College School Of Medicine in 1997
NPI Data:
- NPI Number: 1144310509
- Provider Enumeration Date: 10/13/2006
- Last Update Date: 12/26/2025
Medicare PECOS Information:
- PECOS PAC ID: 9335277631
- Enrollment ID: I20100506000811
Medical Identifiers
Medical identifiers for Dr Johnny Lee Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1144310509 | NPI | - | NPPES |
| 036100519 | Medicaid | IL | |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 2084P0804X | Psychiatry & Neurology - Child & Adolescent Psychiatry | 2022-02652 (North Carolina) | Secondary |
| 2084P0804X | Psychiatry & Neurology - Child & Adolescent Psychiatry | 169712 (California) | Secondary |
| 2084P0800X | Psychiatry & Neurology - Psychiatry | D0090783 (Maryland) | Secondary |
| 2084P0804X | Psychiatry & Neurology - Child & Adolescent Psychiatry | 036100519 (Illinois) | Primary |
| 2084P0800X | Psychiatry & Neurology - Psychiatry | 036100519 (Illinois) | Secondary |
| 2084P0800X | Psychiatry & Neurology - Psychiatry | 169712 (California) | Secondary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
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| Connections Medical Group Associates Llc | 2365662517 | 18 |
| Regional Hospital Healthcare Partners Llc | 1456499441 | 15 |
| Carson Tahoe Physician Clinics | 1153479027 | 109 |
Medicare Reassignments
Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Johnny Lee Williamson allows following entities to bill medicare on his behalf.
| Entity Name | Uhs Of Hartgrove, Inc |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1396012951
PECOS PAC ID: 3173611738
Enrollment ID: O20120817000145 |
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| Entity Name | Connections Medical Group Associates Llc |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1548697618
PECOS PAC ID: 2365662517
Enrollment ID: O20141009002643 |
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Medicare Part D Prescriber Enrollment
Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Johnny Lee Williamson is
enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.
Mailing Address and Practice Location
| Mailing Address | Practice Location Address |
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Dr Johnny Lee Williamson, MD
2081 Calistoga Dr Ste 2s,
New Lenox, IL 60451-4833
Ph: (815) 418-6070 | Dr Johnny Lee Williamson, MD
2081 Calistoga Dr, Suite 2s,
New Lenox, IL 60451-4831
Ph: (815) 418-6070 |
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