DR. JUSTIN DEROSA D.O.
NPI 1841649944
Internal Medicine - Gastroenterology in Philadelphia, PA

Active since June 09, 2016PECOS EnrolledAccepts Medicare Assignment
1528 WALNUT ST STE 950, PHILADELPHIA, PA 19102(267) 273-1196 Get Directions Write a Review

NPPES record last updated: June 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 22, 2025, Apr 17, 2024 (2 updates tracked since 2024).

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

NPI1841649944
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JUSTIN DEROSACredential: D.O.
Location Address1528 WALNUT ST STE 950Philadelphia, PA 19102-3628
Mailing Address42 E Laurel Rd Ste 3100Stratford, NJ 08084-1354 · (856) 566-2753
Sole ProprietorYes
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2016
Enumeration DateJune 9, 2016
Last NPPES UpdateJune 22, 20252 updates tracked since enumeration
NPPES CertifiedJune 22, 2025
✔ NPI 1841649944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in PA · OS020719
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1528 WALNUT ST STE 950, Philadelphia, PA 19102

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.

PECOS PAC ID8022497395
PECOS Enrollment IDI20220616000160
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare 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.

Multi-Specialty
825 OLD LANCASTER RD, SUITE 320
Bryn Mawr, PA 19010
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 171 clinicians in this Medicare group
Pediatrics
401 ROUTE 73 N STE 320
Marlton, NJ 08053
  • Reassigned Medicare billing, New Jersey and Pennsylvania enrollments
  • 909 clinicians in this Medicare group
Gastroenterology
2112 HARRISBURG PIKE STE 202
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.

Injection, vedolizumab, intravenous, 1 mg J3380
Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.
5,400 services17 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
95 services69 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
75 services74 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
63 services56 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
52 services52 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
51 services51 patients

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, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310086
Location18 East Laurel RoadStratford, NJ 08084 · Camden County
Emergency services Birthing friendly

Physician 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.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102
Physician Assistant (Medical)
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102
Physician Assistant
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102
Specialist
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102
Family Medicine
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102
Nurse Practitioner (Family)
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102
Physician Assistant
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102
Dermatology
1528 WALNUT ST STE 950
PHILADELPHIA, PA 19102

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.