Nathan Barton Chase, M.D.
NPI 1174533491ActiveIndividual· Internal Medicine· Clarkston, MI
Internal Medicine (M.D.) in Clarkston, Michigan, trained at Wayne State University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $112,502 for 1,712 claims, against $9,675 paid for services in 2024. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $41.96 in all, mostly food and beverage.
Overview
| NPI | 1174533491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301050183 | 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 | 39 |
|---|---|
| Services billed | 124 across 18 procedure codes |
| Paid by Medicare | $9,675 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,712 · 3,354 30-day fills |
|---|---|
| Patients | 305 |
| Total drug cost | $112,502 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Clarkston Internal Medicine, P.C.Clarkston, MI · 4 clinicians
Hospital affiliations
- Trinity Health Grand Haven HospitalGrand Haven, MI
- Trinity Health Oakland HospitalPontiac, MI
Other facilities
- Trinity Health at Home - Grand HavenHospice · Grand Haven, MI
- Trinity Health at Home Southeast MichiganHospice · Livonia, MI
Industry payments (Open Payments)
- 2025$41.96 · 2 payments from 2 companies
- 2024$15.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $23.91 | 1 |
| Amgen Inc. | $18.05 | 1 |
What the 2025 payments were for
- Food and Beverage$41.96 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 internal medicine physicians in Clarkston · All internal medicine physicians in Michigan