Karen Koenig Berris, MD
NPI 1902008444ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Farmington Hills, MI
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Farmington Hills, Michigan, trained at Wayne State University School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $1,790,664 for 3,100 claims, against $72,067 paid for services in 2024. Amgen Inc. was the largest of 7 companies reporting payments in 2025, $588.37 in all, mostly food and beverage.
Overview
| NPI | 1902008444 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 5, 2007 |
| Last updated in NPPES | May 30, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 4301080081 | MI |
| Internal Medicine | 207R00000X | 4301080081 | 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 - Endocrinology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 1,496 across 13 procedure codes |
| Paid by Medicare | $72,067 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,100 · 7,506 30-day fills |
|---|---|
| Patients | 482 |
| Total drug cost | $1,790,664 |
| Generic share | 43% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Michigan Healthcare Professionals PCClarkston, MI · 529 clinicians
Hospital affiliations
- Beaumont Hospital - DearbornDearborn, MI
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Industry payments (Open Payments)
- 2025$588.37 · 20 payments from 7 companies
- 2024$456.05 · 29 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $223.90 | 9 |
| Astellas Pharma US Inc | $99.00 | 1 |
| Corcept Therapeutics | $89.90 | 1 |
| Novo Nordisk Inc | $83.75 | 4 |
| Pfizer Inc. | $35.46 | 2 |
What the 2025 payments were for
- Food and Beverage$489.37 · 19 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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