Matthew G. Denker, MD
NPI 1083886048ActiveIndividual· Internal Medicine, Nephrology· Philadelphia, PA
Internal Medicine, Nephrology (MD) in Philadelphia, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $342,250 for 1,979 claims, against $78,966 paid for services in 2024. Ardelyx, Inc. reported $20.81 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1083886048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 31, 2008 |
| Last updated in NPPES | Sep 3, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD446598 | PA |
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 - Nephrology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 1,118 across 27 procedure codes |
| Paid by Medicare | $78,966 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,979 · 4,633 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $342,250 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Paoli HospitalPaoli, PA
- Penn Presbyterian Medical CenterPhiladelphia, PA
- Pennsylvania HospitalPhiladelphia, PA
Other facilities
- Davita Radnor DialysisDialysis facility · King Of Prussia, PA
- Davita University City DialysisDialysis facility · Philadelphia, PA
Industry payments (Open Payments)
- 2025$20.81 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $20.81 | 1 |
What the 2025 payments were for
- Food and Beverage$20.81 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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