HISHAM A. MAHMOUD D.O.
NPI 1164818027
Family Medicine in Morristown, NJ
About Hisham A. Mahmoud D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HISHAM A. MAHMOUD D.O. (NPI 1164818027) is an individual family medicine provider in Morristown, New Jersey, licensed in New Jersey (25MB10657800) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Cape Regional Medical Center Inc, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Hisham A. Mahmoud D.o. 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 Hisham Mahmoud reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Galloway, NJ 08205
- Reassigned Medicare billing, New Jersey enrollment
- 921 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 14
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Regional Medical Center Inc
Acute Care Hospitals · Cape May Court House, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07960 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MORRISTOWN, NJ 07960
MORRISTOWN, NJ 07960
MORRISTOWN, NJ 07960
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 Hisham Mahmoud's NPI number?
The NPI number for Hisham Mahmoud is 1164818027. It was assigned to this individual provider in the NPPES registry on April 7, 2015.
Where is Hisham Mahmoud located?
Hisham Mahmoud practices at 100 Madison Ave, Morristown, NJ 07960. The listed phone number is (973) 971-5000.
What is Hisham Mahmoud's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Hisham Mahmoud enrolled in Medicare?
Yes. Hisham Mahmoud 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 Hisham Mahmoud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hisham Mahmoud reassigns Medicare benefits to Atlanticare Physician Group, PA (Galloway, 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 Hisham Mahmoud's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hisham Mahmoud accept?
Health plans from Oscar Health list Hisham Mahmoud 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 Hisham Mahmoud affiliated with any hospitals?
According to CMS data, Hisham Mahmoud is affiliated with Cape Regional Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Hisham Mahmoud was last updated on August 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.