Thaddeus J. Grabowy, MD
NPI 1679570006ActiveIndividual· Internal Medicine· Tinton Falls, NJ
Internal Medicine (MD) in Tinton Falls, New Jersey, trained at Rutgers School of Dental Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $644,248 for 5,850 claims, against $205,091 paid for services in 2024. Janssen Biotech, Inc. was the largest of 15 companies reporting payments in 2025, $1,216 in all, mostly food and beverage.
Overview
| NPI | 1679570006 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 30, 2005 |
| Last updated in NPPES | Dec 14, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA05933800 | NJ |
| Internal Medicine, Gastroenterology | 207RG0100X | 25MA05933800 | NJ |
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 | 845 |
|---|---|
| Services billed | 2,609 across 59 procedure codes |
| Paid by Medicare | $205,091 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,850 · 12,211 30-day fills |
|---|---|
| Patients | 740 |
| Total drug cost | $644,248 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Rutgers School of Dental Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- Hackensack Meridian Health Medical Group - Primary Care PCOld Bridge, NJ · 358 clinicians
Hospital affiliations
- Bayshore Medical CenterHolmdel, NJ
- Centrastate Medical CenterFreehold, NJ
- Jersey Shore University Medical CenterNeptune, NJ
- Ocean Medical CenterBrick, NJ
- Riverview Medical CenterRed Bank, NJ
Other facilities
- Hackensack Meridian at Home Monmouth CountyHome health agency · Neptune, NJ
- Hackensack Meridian HospiceHospice · Neptune, NJ
Industry payments (Open Payments)
- 2025$1,216 · 60 payments from 15 companies
- 2024$465.70 · 28 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $334.74 | 11 |
| Madrigal Pharmaceuticals | $264.77 | 16 |
| Pfizer Inc. | $127.38 | 7 |
| Gilead Sciences, Inc. | $87.02 | 5 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $72.12 | 4 |
What the 2025 payments were for
- Food and Beverage$1,216 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 internal medicine physicians in Tinton Falls · All internal medicine physicians in New Jersey