Quick answers
- Does Frederick J. Pfalzgraf accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick J. Pfalzgraf 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 Frederick J. Pfalzgraf see?
- In 2024, CMS data shows 97 Original Medicare patients and 331 services for Frederick J. Pfalzgraf. This counts Original Medicare only and measures volume, not quality.
- What is Frederick J. Pfalzgraf's NPI number?
- 1659385581. 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 Frederick J. Pfalzgraf, 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 | 97 |
|---|---|
| Services billed to Medicare | 331 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)188 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)19 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%
- Arthritis75%
- High cholesterol65%
- Anxiety35%
- Osteoporosis28%
- COPD27%
Hospitals where Frederick J. Pfalzgraf works
Medicare's Facility Affiliation Data lists Frederick J. Pfalzgraf 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.
- Ferrell Hospital Community FoundationsEldorado, IL · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 141324
- Franklin HospitalBenton, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141321
- Marshall Browning HospitalDu Quoin, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141331
- Mercy Hospital PerryPerryville, MO · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 261311
- Pinckneyville Community HospitalPinckneyville, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141307
Practice locations
Addresses where Frederick J. Pfalzgraf is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.
- 12 N Kingshighway, 100 Wound CarePerryville, MO 63775 (573) 768‑3399
- 1306 Maple StEldorado, IL 62930
- 1310 Mark Franklin DrBenton, IL 62812 (618) 439‑3500
- 1409 N Main StBenton, IL 62812 (618) 435‑2712
- 1508 Edgemont Blvd, Primary Care/convenient CarePerryville, MO 63775 (573) 768‑3220
Group practices
Medicare enrollment lists Frederick J. Pfalzgraf as a member of these groups (CMS data updated October 2, 2026).
- Mercy Hospital Perry117 clinicians in the group
- Ferrell Hospital Community Foundation56 clinicians in the group
- Marshall Browning Hospital Association32 clinicians in the group
- Franklin Hospital District31 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Mercy Hospital Perry
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659385581 |
| 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