Quick answers
- Does Frank A. Zwerner accept Medicare assignment?
- Yes. Medicare's clinician data says Frank A. Zwerner 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 Frank A. Zwerner see?
- In 2024, CMS data shows 18 Original Medicare patients and 23 services for Frank A. Zwerner. This counts Original Medicare only and measures volume, not quality.
- What is Frank A. Zwerner's NPI number?
- 1821254269. 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 Frank A. Zwerner, 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 | 18 |
|---|---|
| Services billed to Medicare | 23 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Urinalysis, manual test (81002)14 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 cholesterol67%
- Arthritis61%
Hospitals where Frank A. Zwerner works
Medicare's Facility Affiliation Data lists Frank A. Zwerner 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.
- Ascension St Vincent ClayBrazil, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151309
- Putnam County HospitalGreencastle, IN · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 151333
- Union Hospital ClintonClinton, IN · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 151326
- Union Hospital IncTerre Haute, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150023
Practice locations
Addresses where Frank A. Zwerner is enrolled with Medicare (CMS data updated October 2, 2026).
- 115 S Murphy Ave, Suite ABrazil, IN 47834 (812) 442‑2100
- 1606 N 7th StTerre Haute, IN 47804 (812) 238‑7384
Group practices
Medicare enrollment lists Frank A. Zwerner as a member of these groups (CMS data updated October 2, 2026).
- Union Hospital Inc88 clinicians in the group
- Providence Medical Group, LLC26 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Brazil
Clinicians with the same Medicare primary specialty in Brazil, IN — not a recommendation.
Other clinicians in Union Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Kansas City University Of Physicians And Surgeons |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821254269 |
| 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