Quick answers
- Does Zachary Chonka accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Chonka accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zachary Chonka see?
- In 2024, CMS data shows 2,985 Original Medicare patients and 5,119 services for Zachary Chonka. This counts Original Medicare only and measures volume, not quality.
- What is Zachary Chonka's NPI number?
- 1497805907. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zachary Chonka, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,985 |
|---|---|
| Services billed to Medicare | 5,119 |
| Different services or procedures | 159 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)951 services
- Ct scan head or brain without contrast (70450)648 services
- X-ray of chest, 2 views (71046)224 services
- Ct scan of upper spine without contrast (72125)199 services
- Ct scan of blood vessels of head with contrast (70496)195 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol73%
- Arthritis53%
- Diabetes37%
- Ischemic heart disease37%
- Chronic kidney disease36%
Hospitals where Zachary Chonka works
Medicare's Facility Affiliation Data lists Zachary Chonka at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baptist Health Deaconess MadisonvilleMadisonville, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180093
- Deaconess Henderson HospitalHenderson, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180056
- Deaconess Hospital IncEvansville, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150082
- Gibson General HospitalPrinceton, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151319
- Good Samaritan HospitalVincennes, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150042
Practice locations
Addresses where Zachary Chonka is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 18; the Medicare profile lists all.
- 1201 S Adams StStillwater, OK 74074
- 1301 W 6th AveStillwater, OK 74074
- 1301 W 6th Ave, Suite 108Stillwater, OK 74074 (405) 533‑1695
- 1305 N Elm StHenderson, KY 42420 (270) 827‑7700
- 1323 NW 6th AveStillwater, OK 74074
Group practices
Medicare enrollment lists Zachary Chonka as a member of these groups (CMS data updated October 2, 2026).
- Stillwater Medical Center Authority153 clinicians in the group
- Jennie Stuart Medical Center Inc120 clinicians in the group
- Evansville Radiology PC31 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Other clinicians in Stillwater Medical Center Authority
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497805907 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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