Kathleen M. Carstens, MD
NPI 1669736195ActiveIndividual· Internal Medicine· Warren, NJ
Internal Medicine (MD) with Practice Associates Medical Group, practicing in Warren, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $119,588 for 1,820 claims, against $56,927 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $122.74 in all, mostly food and beverage. Lists Morristown Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1669736195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 29, 2012 |
| Last updated in NPPES | Dec 2, 2022 |
| Certified by provider | Dec 2, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA09754400 | NJ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 285 |
|---|---|
| Services billed | 645 across 19 procedure codes |
| Paid by Medicare | $56,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,820 · 3,829 30-day fills |
|---|---|
| Patients | 491 |
| Total drug cost | $119,588 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Overlook Medical CenterSummit, NJ
Other facilities
- Atlantic Visiting NurseHome health agency · Morristown, NJ
- Kessler Rehab CenterInpatient rehabilitation facility · West Orange, NJ
Industry payments (Open Payments)
- 2025$122.74 · 7 payments from 6 companies
- 2024$209.18 · 12 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $38.15 | 2 |
| Dexcom, Inc. | $21.31 | 1 |
| Pfizer Inc. | $16.40 | 1 |
| Lilly USA, LLC | $15.98 | 1 |
| Abbott Laboratories | $15.88 | 1 |
What the 2025 payments were for
- Food and Beverage$122.74 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 internal medicine physicians in Warren · All internal medicine physicians in New Jersey