Quick answers
- Does Walter M. Sahijdak accept Medicare assignment?
- Yes. Medicare's clinician data says Walter M. Sahijdak 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 Walter M. Sahijdak see?
- In 2024, CMS data shows 194 Original Medicare patients and 2,029 services for Walter M. Sahijdak. This counts Original Medicare only and measures volume, not quality.
- What is Walter M. Sahijdak's NPI number?
- 1568488914. 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 Walter M. Sahijdak, 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 | 194 |
|---|---|
| Services billed to Medicare | 2,029 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)822 services
- Calculation of radiation therapy dose (77300)252 services
- Radiation treatment management, 5 treatment sessions (77427)182 services
- Design and construction of complex radiation treatment device (77334)148 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)130 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High cholesterol74%
- Arthritis44%
- Diabetes30%
- Ischemic heart disease30%
Hospitals where Walter M. Sahijdak works
Medicare's Facility Affiliation Data lists Walter M. Sahijdak 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.
- St Joe Mercy Hospital System LivoniaLivonia, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230002
- Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230156
- Trinity Health Livingston HospitalBrighton, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230069
- Trinity Health Oakland HospitalPontiac, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230029
Practice locations
Addresses where Walter M. Sahijdak is enrolled with Medicare (CMS data updated October 2, 2026).
- 5301 E Huron River DrYpsilanti, MI 48197 (734) 712‑3595
- 7575 Grand River RdBrighton, MI 48114 (810) 844‑7250
Group practices
Medicare enrollment lists Walter M. Sahijdak as a member of this group (CMS data updated October 2, 2026).
- Huron River Radiation Oncology Specialists PC8 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Ypsilanti
Clinicians with the same Medicare primary specialty in Ypsilanti, MI — not a recommendation.
Other clinicians in Huron River Radiation Oncology Specialists PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1989 (37 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) | 1568488914 |
| 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