Quick answers
- Does Joshua P. Douma accept Medicare assignment?
- Yes. Medicare's clinician data says Joshua P. Douma 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 Joshua P. Douma see?
- In 2024, CMS data shows 120 Original Medicare patients and 139 services for Joshua P. Douma. This counts Original Medicare only and measures volume, not quality.
- What is Joshua P. Douma's NPI number?
- 1245732346. 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 Joshua P. Douma, 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 | 120 |
|---|---|
| Services billed to Medicare | 139 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Anesthesia for lens surgery (00142)45 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)16 services
- Anesthesia for exam of colon using an endoscope (00812)12 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 cholesterol73%
- High blood pressure67%
- Arthritis34%
- Diabetes33%
- Depression31%
- Chronic kidney disease23%
Hospitals where Joshua P. Douma works
Medicare's Facility Affiliation Data lists Joshua P. Douma 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.
- Aurora Medical Center OshkoshOshkosh, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520198
- SSM Health St Agnes Hospital-Fond Du LacFond Du Lac, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520088
- Thedacare Medical Center - Berlin IncBerlin, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521355
- Thedacare Regional Medical Center - NeenahNeenah, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520045
Practice locations
Addresses where Joshua P. Douma is enrolled with Medicare (CMS data updated October 2, 2026).
- 225 Memorial DrBerlin, WI 54923 (920) 361‑1313
- 3400 Union AveSheboygan, WI 53081 (920) 828‑2530
- 855 N Westhaven DrOshkosh, WI 54904 (920) 303‑8700
Group practices
Medicare enrollment lists Joshua P. Douma as a member of these groups (CMS data updated October 2, 2026).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Association of Hospital Anesthesiologists SC86 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Berlin
Clinicians with the same Medicare primary specialty in Berlin, WI — not a recommendation.
Other clinicians in Aurora Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245732346 |
| 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