Colin Hoffmann Holtze, M.D.
NPI 1275825846ActiveIndividual· Internal Medicine, Pulmonary Disease· Ypsilanti, MI
Internal Medicine, Pulmonary Disease (M.D.) in Ypsilanti, Michigan, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,417,119 for 1,821 claims, against $70,558 paid for services in 2024.
Overview
| NPI | 1275825846 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 13, 2011 |
| Last updated in NPPES | Jul 23, 2021 |
| Certified by provider | Jul 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 4301106884 | MI |
| Internal Medicine | 207R00000X | 4301106884 | 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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 441 |
|---|---|
| Services billed | 1,014 across 40 procedure codes |
| Paid by Medicare | $70,558 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,821 · 2,952 30-day fills |
|---|---|
| Patients | 383 |
| Total drug cost | $1,417,119 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- St Joe Mercy Hospital System LivoniaLivonia, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 pulmonologists in Ypsilanti · All pulmonologists in Michigan