Quick answers
- Where does Wayne C. Williamson see patients?
- Medicare's clinician data lists 2 practice locations, including Chicago, IL. Call before your visit to confirm the address.
- What is Wayne C. Williamson's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
- Does Wayne C. Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Wayne C. Williamson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Wayne C. Williamson offer telehealth?
- Medicare's clinician data says Wayne C. Williamson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Wayne C. Williamson?
- (773) 772-7858, as listed in official Medicare / NPI Registry data.
- What is Wayne C. Williamson's NPI number?
- 1699828061. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Wayne C. Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2720 W Division StChicago, IL 60622 (773) 772‑7858
- 4001 W Devon Ave 210 Unit BChicago, IL 60646 (773) 887‑6900
Group practices
Medicare enrollment lists Wayne C. Williamson as a member of these groups (CMS data updated 2026-10-02).
- Vivek Gupta, M.D., S.C.28 clinicians in the group
- Family Primary and Urgent Physicians Inc4 clinicians in the group
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699828061 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians