Quick answers
- Does Timothy A. Crummy accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy A. Crummy 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 Timothy A. Crummy see?
- In 2024, CMS data shows 2,604 Original Medicare patients and 6,192 services for Timothy A. Crummy. This counts Original Medicare only and measures volume, not quality.
- What is Timothy A. Crummy's NPI number?
- 1770563678. 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 Timothy A. Crummy, 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 | 2,604 |
|---|---|
| Services billed to Medicare | 6,192 |
| Different services or procedures | 230 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,450 services
- X-ray of chest, 2 views (71046)309 services
- X-ray of chest, 1 view (71045)249 services
- X-ray of foot, minimum of 3 views (73630)148 services
- Ct scan of abdomen and pelvis with contrast (74177)139 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 cholesterol75%
- High blood pressure71%
- Arthritis47%
- Diabetes31%
- Ischemic heart disease27%
- Anxiety25%
Hospitals where Timothy A. Crummy works
Medicare's Facility Affiliation Data lists Timothy A. Crummy 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.
- Lafayette Hospital and ClinicsDarlington, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521312
- Reedsburg Area Medical CenterReedsburg, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521351
- Sauk Prairie HospitalPrairie Du Sac, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520095
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520083
- The Monroe ClinicMonroe, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520028
Practice locations
Addresses where Timothy A. Crummy is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.
- 10 Tower DrSun Prairie, WI 53590 (608) 825‑3500
- 1211 Fish Hatchery RdMadison, WI 53715 (608) 252‑8000
- 1305 W Main StWhitewater, WI 53190 (262) 473‑4548
- 1310 BroadwayWisconsin Dells, WI 53965 (608) 253‑1171
- 1700 Tuttle StBaraboo, WI 53913 (608) 355‑3800
Group practices
Medicare enrollment lists Timothy A. Crummy as a member of these groups (CMS data updated October 2, 2026).
- Dean Health Systems Inc1,159 clinicians in the group
- Madison Radiologists S C57 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Sun Prairie
Clinicians with the same Medicare primary specialty in Sun Prairie, WI — not a recommendation.
Other clinicians in Dean Health Systems Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1770563678 |
| 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