Muhammad R. Abbasi, M.D.
NPI 1245349638ActiveIndividual· Internal Medicine, Hematology· Mountain Lakes, NJ
Internal Medicine, Hematology (M.D.) with Oncology and Hematology Specialists,p.A., practicing in Mountain Lakes, New Jersey. In 2024 Medicare paid $3,398,606 for 490 patients, and Part D covered 448 of their prescriptions, 64% of them generic. Pfizer Inc. was the largest of 36 companies reporting payments in 2025, $5,485 in all, mostly speaking and faculty fees. Lists Ahs Hospital Corp and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1245349638 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Dec 20, 2024 |
| Certified by provider | Dec 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 25MA07208800 | NJ |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MA72088 | NJ |
| Internal Medicine, Medical Oncology | 207RX0202X | 25MA07208800 | 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 - Hematology/Oncology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 490 |
|---|---|
| Services billed | 144,466 across 100 procedure codes |
| Paid by Medicare | $3,398,606 |
Part D prescriptions in 2024
| Prescriptions (claims) | 448 · 670 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $661,154 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Oncology and Hematology Specialists,p.A.Morristown, NJ · 5 clinicians
Hospital affiliations
- Ahs Hospital CorpHackettstown, NJ
- Chilton Medical CenterPompton Plains, NJ
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
- Saint Clare's Hospital/ Denville CampusDenville, NJ
Industry payments (Open Payments)
- 2025$5,485 · 118 payments from 36 companies
- 2024$2,952 · 121 payments from 37 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $3,080 | 5 |
| Novartis Pharmaceuticals Corporation | $626.72 | 13 |
| E.R. Squibb & Sons, L.L.C. | $287.60 | 18 |
| Astrazeneca Pharmaceuticals LP | $262.87 | 15 |
| Daiichi Sankyo Inc. | $132.17 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,030 · 1 payment
- Food and Beverage$1,973 · 112 payments
- Long term medical supply or device loan$482.13 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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