Quick answers
- Does Kevin L. Gietzen accept Medicare assignment?
- Yes. Medicare's clinician data says Kevin L. Gietzen 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 Kevin L. Gietzen see?
- In 2024, CMS data shows 353 Original Medicare patients and 897 services for Kevin L. Gietzen. This counts Original Medicare only and measures volume, not quality.
- What is Kevin L. Gietzen's NPI number?
- 1538189154. 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 Kevin L. Gietzen, 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 | 353 |
|---|---|
| Services billed to Medicare | 897 |
| Different services or procedures | 80 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)208 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)119 services
- Diagnostic exam of nasal passages using an endoscope (31231)87 services
- Removal of impacted ear wax (69210)83 services
- Diagnostic exam of voice box using a flexible endoscope (31575)67 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 pressure73%
- Arthritis51%
- Anxiety26%
- Ischemic heart disease25%
- Depression25%
Hospitals where Kevin L. Gietzen works
Medicare's Facility Affiliation Data lists Kevin L. Gietzen 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.
- McLaren Northern MichiganPetoskey, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230105
- Munson Healthcare Otsego Memorial HospitalGaylord, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230133
- Munson Medical CenterTraverse City, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230097
- MyMichigan Medical Center AlpenaAlpena, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230036
Practice locations
Addresses where Kevin L. Gietzen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1114 Charlevoix AvePetoskey, MI 49770 (231) 489‑8151
Group practices
Medicare enrollment lists Kevin L. Gietzen as a member of this group (CMS data updated October 2, 2026).
- Great Lakes Ear Nose and Throat Specialists PC7 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in Great Lakes Ear Nose and Throat Specialists PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538189154 |
| 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