DR. MUHAMMAD R. ABBASI M.D.
NPI 1245349638
Internal Medicine - Hematology in Mountain Lakes, NJ
About Dr. Muhammad R. Abbasi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MUHAMMAD R. ABBASI M.D. (NPI 1245349638) is an individual hematology provider in Mountain Lakes, New Jersey, licensed in New Jersey (25MA07208800) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and maintains a secondary practice location in Morristown.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Muhammad R. Abbasi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Muhammad Abbasi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mountain Lakes, NJ 07046
- Reassigned Medicare billing, New Jersey enrollment
- 9 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 29
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJChilton Medical Center
Acute Care Hospitals · Pompton Plains, NJNewton Medical Center
Acute Care Hospitals · Newton, NJSaint Clare's Hospital/ Denville Campus
Acute Care Hospitals · Denville, NJHackettstown Medical Center
Acute Care Hospitals · Hackettstown, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07046 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNTAIN LAKES, NJ 07046
MOUNTAIN LAKES, NJ 07046
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Muhammad Abbasi's NPI number?
The NPI number for Muhammad Abbasi is 1245349638. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Muhammad Abbasi located?
Muhammad Abbasi practices at 333 Route 46 W, Mountain Lakes, NJ 07046. The listed phone number is (973) 316-1701.
What is Muhammad Abbasi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Muhammad Abbasi enrolled in Medicare?
Yes. Muhammad Abbasi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Muhammad Abbasi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Abbasi reassigns Medicare benefits to Oncology & Hematology Specialists,p.A. (Mountain Lakes, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Muhammad Abbasi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Muhammad Abbasi accept?
Health plans from Oscar Health list Muhammad Abbasi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Muhammad Abbasi affiliated with any hospitals?
According to CMS data, Muhammad Abbasi is affiliated with Morristown Medical Center, Chilton Medical Center, Newton Medical Center, Saint Clare's Hospital/ Denville Campus and Hackettstown Medical Center.
When was this NPI record last updated?
The NPPES record for Muhammad Abbasi was last updated on December 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.