Dr. Wayne Williamson, MD
What this data tells you about Dr. Williamson
Dr. Wayne Williamson is a geriatric medicine physician in Chicago, IL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Williamson performed 471 Medicare services across 271 unique beneficiaries.
Between the years covered by Open Payments, Dr. Williamson received a total of $1,175 from 8 pharmaceutical and/or device companies across 46 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in geriatric medicine (internal medicine) physician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Williamson is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Home visit, established patient, high complexity A home visit for an established patient involving high-level medical decision making, lasting at least 60 minutes. |
132 | $155 | $220 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
110 | $57 | $113 |
| Chronic care management, first 30 minutes This service covers the initial 30 minutes of care coordination for patients with two or more chronic conditions. It is provided personally by a healthcare professional each calendar month. |
86 | $70 | $110 |
| Home visit, established patient, moderate complexity A home visit for an established patient involving moderate medical decision making. The visit requires at least 40 minutes of time if time is used to determine the level of service. |
73 | $106 | $160 |
| Home health agency supervision, complex multidisciplinary care Supervision by a physician or allowed practitioner for a patient receiving Medicare-covered services from a participating home health agency. This involves complex and multidisciplinary care modalities, with the patient not present during the supervision. |
51 | $86 | $131 |
| Home health plan of care certification Certification by a physician or allowed practitioner for Medicare-covered home health services under a home health plan of care. This includes contacting the home health agency and reviewing reports of patient status required by physicians. |
19 | $43 | $72 |
Industry Payment Transparency
Open Payments through 2019 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2019)
All-time payments by company (2018-2019) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
1.3 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2019 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Williamson is a clinical cardiology specialist, with moderate Medicare volume, with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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