Christopher John Shamass, D.O.
NPI 1376807784ActiveIndividual· Emergency Medicine· Mount Clemens, MI
Emergency Medicine (D.O.) in Mount Clemens, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2012). 393 Medicare patients in 2024, $60,682 paid; nearly all of their 82 Part D prescriptions were generic (96%). Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2024, $122.93 in all, mostly food and beverage.
Overview
| NPI | 1376807784 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2012 |
| Last updated in NPPES | Jun 29, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 5101019938 | 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 - Emergency Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 393 |
|---|---|
| Services billed | 464 across 31 procedure codes |
| Paid by Medicare | $60,682 |
Part D prescriptions in 2024
| Prescriptions (claims) | 82 · 82 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $859.00 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Observation Physicians of Macomb PLLCMount Clemens, MI · 23 clinicians
- Macomb Emergency Physicians PLLCMount Clemens, MI · 16 clinicians
Hospital affiliation
- McLaren MacombMount Clemens, MI
Industry payments (Open Payments)
- 2024$122.93 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $107.10 | 1 |
| Inari Medical, Inc. | $15.83 | 1 |
What the 2024 payments were for
- Food and Beverage$122.93 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 emergency medicine physicians in Mount Clemens · All emergency medicine physicians in Michigan