DR. JUSTIN DEROSA D.O.
NPI 1841649944
Internal Medicine - Gastroenterology in Philadelphia, PA
About Dr. Justin Derosa D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTIN DEROSA D.O. (NPI 1841649944) is an individual gastroenterology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OS020719) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Jefferson Stratford Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2016).
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
Dr. Justin Derosa 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 Reassignments
3Medicare enrollment records show Justin Derosa reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bryn Mawr, PA 19010
- Reassigned Medicare billing, Pennsylvania enrollment
- 171 clinicians in this Medicare group
Marlton, NJ 08053
- Reassigned Medicare billing, New Jersey and Pennsylvania enrollments
- 909 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- 343 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.
Jefferson Stratford Hospital
Acute Care Hospitals · Stratford, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19102 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Justin Derosa's NPI number?
The NPI number for Justin Derosa is 1841649944. It was assigned to this individual provider in the NPPES registry on June 9, 2016.
Where is Justin Derosa located?
Justin Derosa practices at 1528 Walnut St Ste 950, Philadelphia, PA 19102. The listed phone number is (267) 273-1196.
What is Justin Derosa's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Justin Derosa enrolled in Medicare?
Yes. Justin Derosa 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 Justin Derosa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Derosa reassigns Medicare benefits to 3 organizations: Bryn Mawr Medical Specialists Association (Bryn Mawr, PA), Advocare, LLC (Marlton, NJ) and Regional Gastroenterology Associates Of Lancaster, Ltd. (Lancaster, PA). 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 Justin Derosa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Justin Derosa affiliated with any hospitals?
According to CMS data, Justin Derosa is affiliated with Jefferson Stratford Hospital.
When was this NPI record last updated?
The NPPES record for Justin Derosa was last updated on June 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.