Quick answers
- Does Martin C. Winkler accept Medicare assignment?
- Yes. Medicare's clinician data says Martin C. Winkler 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 Martin C. Winkler see?
- In 2024, CMS data shows 184 Original Medicare patients and 197 services for Martin C. Winkler. This counts Original Medicare only and measures volume, not quality.
- What is Martin C. Winkler's NPI number?
- 1033962485. 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 Martin C. Winkler, 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 | 184 |
|---|---|
| Services billed to Medicare | 197 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)117 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)76 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 cholesterol75%
- Arthritis64%
- Ischemic heart disease54%
- Anxiety49%
- Diabetes46%
Hospitals where Martin C. Winkler works
Medicare's Facility Affiliation Data lists Martin C. Winkler 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.
- Carle Richland Memorial HospitalOlney, IL · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 141355
- Crawford Memorial HospitalRobinson, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141343
- Good Samaritan HospitalVincennes, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150042
- Lawrence County Memorial HospitalLawrenceville, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141344
Practice locations
Addresses where Martin C. Winkler is enrolled with Medicare (CMS data updated October 2, 2026).
- 520 S 7th StVincennes, IN 47591 (812) 882‑5220
Group practices
Medicare enrollment lists Martin C. Winkler as a member of this group (CMS data updated October 2, 2026).
- Apogee Medical Group Indiana PC66 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Vincennes
Clinicians with the same Medicare primary specialty in Vincennes, IN — not a recommendation.
Other clinicians in Apogee Medical Group Indiana PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033962485 |
| 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