Lisa Dietz, DO
NPI 1629067541ActiveIndividual· Family Medicine· Clarkston, MI
Family Medicine (DO) in Clarkston, Michigan, trained at College of Osteo Med of the Pacific at Pomona (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $1,066,708 for 10,792 claims, against $69,104 paid for services in 2024. Genzyme Corporation was the largest of 2 companies reporting payments in 2025, $227.80 in all, mostly food and beverage.
Overview
| NPI | 1629067541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Oct 14, 2005 |
| Last updated in NPPES | Feb 19, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | LD011820 | 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 | 248 |
|---|---|
| Services billed | 1,389 across 36 procedure codes |
| Paid by Medicare | $69,104 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,792 · 22,425 30-day fills |
|---|---|
| Patients | 624 |
| Total drug cost | $1,066,708 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | College of Osteo Med of the Pacific at Pomona |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- McLaren Medical GroupLansing, MI · 213 clinicians
Hospital affiliations
- Ascension Providence Rochester HospitalRochester, MI
- McLaren FlintFlint, MI
- McLaren OaklandPontiac, MI
- Trinity Health Oakland HospitalPontiac, MI
Other facilities
- Elara CaringHome health agency · Jackson, MI
Industry payments (Open Payments)
- 2025$227.80 · 2 payments from 2 companies
- 2024$462.59 · 22 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $121.35 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $106.45 | 1 |
What the 2025 payments were for
- Food and Beverage$227.80 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 family medicine physicians in Clarkston · All family medicine physicians in Michigan