MAHMOUD M SHALABY MD
NPI 1952929804
Radiology - Diagnostic Radiology in Darby, PA
About Mahmoud M Shalaby Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAHMOUD M SHALABY MD (NPI 1952929804) is an individual diagnostic radiology provider in Darby, Pennsylvania, licensed in Pennsylvania (MD491934) and active in the NPI registry since July 2020. He is enrolled in Medicare PECOS, is affiliated with Mercy Catholic Medical Center- Mercy Fitzgerald, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Mahmoud M Shalaby Md 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 Reassignments
3Medicare enrollment records show Mahmoud Shalaby reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Darby, PA 19023
- Reassigned Medicare billing, Delaware, New Jersey and Pennsylvania enrollments
- 35 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Catholic Medical Center- Mercy Fitzgerald
Acute Care Hospitals · Darby, PANazareth Hospital
Acute Care Hospitals · Philadelphia, PASt Mary Medical Center
Acute Care Hospitals · Langhorne, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19023 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
DARBY, PA 19023
DARBY, PA 19023
DARBY, PA 19023
DARBY, PA 19023
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 Mahmoud Shalaby's NPI number?
The NPI number for Mahmoud Shalaby is 1952929804. It was assigned to this individual provider in the NPPES registry on July 8, 2020.
Where is Mahmoud Shalaby located?
Mahmoud Shalaby practices at 1500 Lansdowne Ave, Darby, PA 19023. The listed phone number is (215) 710-6586.
What is Mahmoud Shalaby's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mahmoud Shalaby enrolled in Medicare?
Yes. Mahmoud Shalaby 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 organizations bill Medicare for Mahmoud Shalaby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mahmoud Shalaby reassigns Medicare benefits to 3 organizations: Mercy Diagnostic Imaging PC (Darby, PA), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ) and Rwjbh Observation Associates LLC (Livingston, NJ). Each 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 Mahmoud Shalaby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mahmoud Shalaby affiliated with any hospitals?
According to CMS data, Mahmoud Shalaby is affiliated with Mercy Catholic Medical Center- Mercy Fitzgerald, Nazareth Hospital and St Mary Medical Center.
When was this NPI record last updated?
The NPPES record for Mahmoud Shalaby was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.
# Mahmoud M Shalaby, MD · NPI 1952929804
Diagnostic Radiology physician in Darby, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 8, 2020.
## Identity
- **NPI:** 1952929804 (Entity type: Individual)
- **Enumerated:** July 8, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD491934 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 LANSDOWNE AVE, Darby, PA 19023-1200
- **Phone:** (215) 710-6586
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Mercy Diagnostic Imaging PC (NPI 1477509768, Darby, PA); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** October 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1952929804) · Data from the CMS NPPES public registry.