Penelope Ann Barker
NPI 1770552382ActiveIndividual· Internal Medicine· Saint Clair Shores, MI
Internal Medicine in Saint Clair Shores, Michigan, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $325,344 for 4,779 claims, against $46,985 paid for services in 2024. Novo Nordisk Inc was the largest of 9 companies reporting payments in 2025, $370.15 in all, mostly food and beverage.
Overview
| NPI | 1770552382 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 16, 2006 |
| Last updated in NPPES | Apr 13, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5101013408 | MI |
| Internal Medicine, Geriatric Medicine | 207RG0300X | 5101013408 | 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 | 155 |
|---|---|
| Services billed | 1,095 across 36 procedure codes |
| Paid by Medicare | $46,985 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,779 · 10,849 30-day fills |
|---|---|
| Patients | 432 |
| Total drug cost | $325,344 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Henry Ford Cornerstone Medical GroupShelby Twp, MI · 65 clinicians
Hospital affiliations
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Henry Ford Health HospitalDetroit, MI
- Henry Ford Health St John HospitalDetroit, MI
- Henry Ford Health Warren HospitalWarren, MI
Industry payments (Open Payments)
- 2025$370.15 · 19 payments from 9 companies
- 2024$144.41 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $154.35 | 8 |
| Merck Sharp & Dohme LLC | $43.36 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $43.05 | 2 |
| Amgen Inc. | $40.39 | 2 |
| Lilly USA, LLC | $20.02 | 1 |
What the 2025 payments were for
- Food and Beverage$370.15 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Saint Clair Shores
- 1023013711
- 1154434975
- 1164469821
- 1255407631
- 1356499800
- 1528508850
- 1689672024
- 1720404775
- 1750306742
- 1750497483
- 1902835168
- 1528687225
All 33 internal medicine physicians in Saint Clair Shores · All internal medicine physicians in Michigan