Quick answers
- Does Jason L. Keszler accept Medicare assignment?
- Yes. Medicare's clinician data says Jason L. Keszler 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 Jason L. Keszler see?
- In 2024, CMS data shows 1,574 Original Medicare patients and 3,040 services for Jason L. Keszler. This counts Original Medicare only and measures volume, not quality.
- What is Jason L. Keszler's NPI number?
- 1881831436. 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 Jason L. Keszler, 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 | 1,574 |
|---|---|
| Services billed to Medicare | 3,040 |
| Different services or procedures | 104 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- X-ray of chest, 2 views (71046)241 services
- X-ray of chest, 1 view (71045)204 services
- Ct scan of chest with contrast (71260)163 services
- Ct scan of abdomen and pelvis with contrast (74177)157 services
- Ct scan head or brain without contrast (70450)86 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 cholesterol70%
- Arthritis54%
- Chronic kidney disease34%
- Diabetes33%
- Depression33%
Hospitals where Jason L. Keszler works
Medicare's Facility Affiliation Data lists Jason L. Keszler 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.
- Abbott Northwestern HospitalMinneapolis, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240057
- Olympic Medical CenterPort Angeles, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500072
- PeaceHealth Southwest Medical CenteVancouver, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 500050
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500024
- St Lukes HospitalDuluth, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240047
Practice locations
Addresses where Jason L. Keszler is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1230 E Main StMankato, MN 56001
- 1230 Main St E, PO Box 8674Mankato, MN 56002 (507) 625‑1811
- 1301 15th Ave WWilliston, ND 58801 · Mercy Medical Center (701) 774‑7400
- 1455 Saint Francis AveShakopee, MN 55379 (952) 428‑3000
- 1650 4th St SERochester, MN 55904 (507) 285‑8485
Group practices
Medicare enrollment lists Jason L. Keszler as a member of these groups (CMS data updated October 2, 2026).
- Allina Health System3,842 clinicians in the group
- Olmsted Medical Center336 clinicians in the group
- Radia Inc P S277 clinicians in the group
- Mankato Clinic Ltd242 clinicians in the group
- St Francis Regional Medical Center119 clinicians in the group
- Consulting Radiologists Ltd77 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Mankato
Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.
Other clinicians in Allina Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881831436 |
| 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