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GREGORY DERUSSO LTD
NPI 1689724320
Internal Medicine in Philadelphia, PA

Active since January 12, 2007
7505 BUSTLETON AVE, PHILADELPHIA, PA 19152(215) 333-7505(215) 333-8131 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gregory Derusso Ltd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY DERUSSO LTD (NPI 1689724320) is a healthcare organization registered as an internal medicine in Philadelphia, Pennsylvania and active in the NPI registry since January 2007. The organization lists Gregory Derusso, President, as its authorized official.

NPPES Registry Identity

NPI1689724320
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGREGORY DERUSSO LTD
Location Address7505 BUSTLETON AVEPhiladelphia, PA 19152-4136
Mailing Address7505 Bustleton AvePhiladelphia, PA 19152-4136 · (215) 333-7505 · Fax (215) 333-8131
Phone(215) 333-7505
Fax(215) 333-8131
Organization SubpartNo
Authorized OfficialGregory DerussoPresident · (215) 333-7505
Enumeration DateJanuary 12, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1689724320 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
7505 BUSTLETON AVE, Philadelphia, PA 19152
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Derusso Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Gregory Derusso Ltd, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Gregory Derusso, M.D.
Internal Medicine
NPI 1316959141
7505 BUSTLETON AVE
Philadelphia, PA 19152
(215) 333-7505
✔ PECOS✔ Accepts MedicareSame address
Peggy Derusso, CRNP
Nurse Practitioner
NPI 1144860735
7505 BUSTLETON AVE
Philadelphia, PA 19152
(215) 333-7505
✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gregory Derusso Ltd's NPI number?

The NPI number for Gregory Derusso Ltd is 1689724320. It was assigned to this organization in the NPPES registry on January 12, 2007.

Where is Gregory Derusso Ltd located?

Gregory Derusso Ltd is located at 7505 Bustleton Ave, Philadelphia, PA 19152. The listed phone number is (215) 333-7505.

What is Gregory Derusso Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gregory Derusso Ltd enrolled in Medicare?

Yes. Gregory Derusso Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gregory Derusso Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Gregory Derusso Ltd, in Internal Medicine and Nurse Practitioner. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Derusso Ltd was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.