Dr. Marc-Gregory Warhola, PA-C
What this data tells you about Dr. Warhola
Dr. Marc-Gregory Warhola is a physician assistant in Tacoma, WA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Warhola performed 185 Medicare services across 180 unique beneficiaries.
Between the years covered by Open Payments, Dr. Warhola received a total of $1,352 from 2 pharmaceutical and/or device companies across 2 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in physician assistant. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Warhola 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 |
|---|---|---|---|
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
54 | $8 | $39 |
| Fluoroscopic guidance for central vein access device Use of live X-ray imaging to guide the placement or removal of a central vein access device. |
29 | $12 | $64 |
| Fluoroscopic guidance for needle placement Use of real-time X-ray imaging to guide the precise placement of a needle during a medical procedure. |
29 | $18 | $100 |
| Bone marrow biopsy and aspiration A procedure to remove a small sample of bone marrow and liquid for laboratory testing. The sample is analyzed to help diagnose various medical conditions. |
24 | $51 | $256 |
| Ultrasound guidance for blood vessel access Use of ultrasound imaging to help locate and access a blood vessel. This guidance assists healthcare providers in performing procedures such as inserting IV lines or drawing blood. |
24 | $9 | $53 |
| Central venous port insertion A surgical procedure to place a small reservoir under the skin for long-term access to the bloodstream. The device is connected to a vein to allow for repeated medication administration or blood draws. |
13 | $210 | $3,944 |
| Chest fluid aspiration with imaging guidance This procedure involves removing fluid from the chest cavity using imaging technology to guide the needle placement. |
12 | $70 | $359 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
All-time payments by company (2021-2024) ›
Associated products mentioned in payments ›
The majority of payments (89%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in physician assistant and does not inherently indicate bias, but patients may wish to be aware.
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| 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. Warhola is a mixed practice specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 18% of WA peers, with 18 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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