Quick answers
- Does Robert J. Isaak accept Medicare assignment?
- Yes. Medicare's clinician data says Robert J. Isaak 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 Robert J. Isaak see?
- In 2024, CMS data shows 351 Original Medicare patients and 1,993 services for Robert J. Isaak. This counts Original Medicare only and measures volume, not quality.
- What is Robert J. Isaak's NPI number?
- 1619197464. 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 Robert J. Isaak, 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 | 351 |
|---|---|
| Services billed to Medicare | 1,993 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)632 services
- Calculation of radiation therapy dose (77300)254 services
- Design and construction of complex radiation treatment device (77334)201 services
- Radiation treatment management, 5 treatment sessions (77427)199 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)182 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 cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- Arthritis36%
- Ischemic heart disease29%
- Chronic kidney disease28%
Hospitals where Robert J. Isaak works
Medicare's Facility Affiliation Data lists Robert J. Isaak 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.
- Bingham Memorial HospitalBlackfoot, ID · Critical Access Hospital · Emergency services: listed by Medicare · CCN 131325
- Eastern Idaho Regional Medical CenterIdaho Falls, ID · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 130018
- Madison Memorial HospitalRexburg, ID · Acute Care Hospital · Emergency services: listed by Medicare · CCN 130025
- Mountain View HospitalIdaho Falls, ID · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 130065
- St Johns Medical CenterJackson, WY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 530015
Practice locations
Addresses where Robert J. Isaak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1221 Pleasant St, Suite A100Des Moines, IA 50309 (515) 241‑4330
- 3245 Channing WayIdaho Falls, ID 83404 (801) 262‑9494
- 410 NW Ash DrAnkeny, IA 50023 (515) 964‑1101
- 625 E Broadway AveJackson, WY 83001 (307) 733‑3636
Group practices
Medicare enrollment lists Robert J. Isaak as a member of these groups (CMS data updated October 2, 2026).
- Central Iowa Hospital Corporation239 clinicians in the group
- Teton County Hospital District108 clinicians in the group
- Utah Cancer Specialists PC49 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Des Moines
Clinicians with the same Medicare primary specialty in Des Moines, IA — not a recommendation.
Other clinicians in Central Iowa Hospital Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nevada School Of Medicine |
| Graduation year | 2003 (23 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) | 1619197464 |
| 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