John Nicholas Gietzen, D.O.
NPI 1538178025ActiveIndividual· Family Medicine· New Glarus, WI
Family Medicine (D.O.) in New Glarus, Wisconsin, trained at Michigan State University College of Osteopathic Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,225,760 for 22,781 claims, against $725,624 paid for services in 2024.
Overview
| NPI | 1538178025 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Nov 28, 2022 |
| Certified by provider | Nov 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4158 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (IL); Practitioner - Family Practice (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 662 |
|---|---|
| Services billed | 8,376 across 28 procedure codes |
| Paid by Medicare | $725,624 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22,781 · 23,081 30-day fills |
|---|---|
| Patients | 487 |
| Total drug cost | $1,225,760 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Family Practice |
Medical group
- Kemell Health LLCChicago, IL · 2 clinicians
Hospital affiliations
- Aspirus Stevens Point Hospital & Clinics, Inc.Stevens Point, WI
- Blessing HospitalQuincy, IL
- Deaconess Illinois Union CountyAnna, IL
- Reedsburg Area Medical CenterReedsburg, WI
- Riverside Medical CenterKankakee, IL
Other facilities
- Compassus Home HealthHome health agency · Marshfield, WI
- Agrace HospicecareHospice · Madison, WI
- Heartland Hospice Central WisconsinHospice · Stevens Point, WI
- Hospice of Southern Illinois, IncHospice · Belleville, IL
- Lightways Hospice and Serious Illness CareHospice · Joliet, IL
- Uplifted CareHospice · Bourbonnais, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in New Glarus
- 1700520707
- 1487274247