Diana Jolynn Carlson, D.O.
NPI 1689825564ActiveIndividual· Internal Medicine· Walled Lake, MI
Internal Medicine (D.O.) in Walled Lake, Michigan, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $376,744 for 2,060 claims, against $54,675 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $18.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689825564 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Oct 9, 2008 |
| Last updated in NPPES | Apr 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5101017651 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 189 |
|---|---|
| Services billed | 644 across 29 procedure codes |
| Paid by Medicare | $54,675 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,060 · 4,708 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $376,744 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
Medical group
- Pillay Internal Medicine Associates, PLLCWalled Lake, MI · 3 clinicians
Hospital affiliation
- Huron Valley-Sinai HospitalCommerce Township, MI
Industry payments (Open Payments)
- 2025$18.29 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $18.29 | 1 |
What the 2025 payments were for
- Food and Beverage$18.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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