Quick answers
- Does Zachary E. Friess accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary E. Friess 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 Zachary E. Friess see?
- In 2024, CMS data shows 2,591 Original Medicare patients and 3,098 services for Zachary E. Friess. This counts Original Medicare only and measures volume, not quality.
- What is Zachary E. Friess's NPI number?
- 1023346483. 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 Zachary E. Friess, 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 | 2,591 |
|---|---|
| Services billed to Medicare | 3,098 |
| Different services or procedures | 99 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Complete ultrasound scan behind abdominal cavity (76770)335 services
- X-ray of chest, 1 view (71045)322 services
- Limited ultrasound scan of abdomen (76705)299 services
- Ultrasound scan of head and neck soft tissue (76536)256 services
- Ct scan of abdomen and pelvis with contrast (74177)249 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%
- Arthritis55%
- Diabetes39%
- Chronic kidney disease39%
- Ischemic heart disease38%
Hospitals where Zachary E. Friess works
Medicare's Facility Affiliation Data lists Zachary E. Friess 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.
- Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230075
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230017
- Lakeland Hospital, St JosephSt Joseph, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230021
- MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230222
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038
Practice locations
Addresses where Zachary E. Friess is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Michigan Ave NEGrand Rapids, MI 49503 (616) 363‑7272
- 2463 S M, Suite 30West Branch, MI 48661 (616) 363‑7272
- 524 S Park StKalamazoo, MI 49007 (616) 363‑7272
- 6715 Apple Blossom LnKalamazoo, MI 49009
Group practices
Medicare enrollment lists Zachary E. Friess as a member of this group (CMS data updated October 2, 2026).
- Advanced Radiology Services PC253 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Advanced Radiology Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023346483 |
| 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