Nicholas Maximillian Kielhorn, M.D.
NPI 1821240128ActiveIndividual· Family Medicine· Jackson, MI
Family Medicine (M.D.) with Powerback Rehabilitation LLC and 4 other groups, practicing in Jackson, Michigan. Their prescriptions cost Medicare Part D more than their services did: $593,270 for 10,834 claims, against $59,199 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 2 companies reporting payments in 2025, $131.46 in all, mostly food and beverage. Lists Henry Ford Allegiance Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1821240128 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 17, 2008 |
| Last updated in NPPES | Nov 15, 2023 |
| Certified by provider | Nov 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4301090658 | MI |
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 (IN); Practitioner - Family Practice (MI); Practitioner - Family Practice (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 574 |
|---|---|
| Services billed | 886 across 24 procedure codes |
| Paid by Medicare | $59,199 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,834 · 11,030 30-day fills |
|---|---|
| Patients | 877 |
| Total drug cost | $593,270 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Powerback Rehabilitation LLCJackson, MI · 649 clinicians
- Northview Medical House Calls PLCSaginaw, MI · 36 clinicians
- Northview Health Specialists, PLLCGrand Rapids, MI · 25 clinicians
- Careline Poh100 LLCMaumee, OH · 7 clinicians
- Careline Pin100 LLCCarmel, IN · 4 clinicians
Hospital affiliations
- Henry Ford Allegiance HealthJackson, MI
- Mymichigan Medical Center MidlandMidland, MI
- Spectrum HealthGrand Rapids, MI
Other facilities
- Americans Home Health CareHome health agency · Saginaw, MI
- Interim Healthcare of West MichiganHome health agency · Grand Rapids, MI
- Optimal Care Home HealthHome health agency · Saginaw, MI
- Americans Hospice Care, IncHospice · Saginaw, MI
- Corewell Health Hospice & Palliative Care - West MichiganHospice · Grand Rapids, MI
- Corsocare HospiceHospice · Milford, MI
- Gentiva IHospice · Grand Rapids, MI
- Interim Healthcare of West MichiganHospice · Grand Rapids, MI
- Mission Point Health Campus of JacksonNursing home · Jackson, MI
- Optalis Health and Rehabilitation of Grand RapidsNursing home · Grand Rapids, MI
- Resthaven Care CenterNursing home · Holland, MI
- The Oaks at JamestownNursing home · Hudsonville, MI
- Vista Grande VillaNursing home · Jackson, MI
Industry payments (Open Payments)
- 2025$131.46 · 2 payments from 2 companies
- 2024$20.59 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $101.23 | 1 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $30.23 | 1 |
What the 2025 payments were for
- Food and Beverage$131.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 82 family medicine physicians in Jackson · All family medicine physicians in Michigan