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ST. LUKE'S WARREN PHYSICIAN GROUP, PC
NPI 1538601802
Surgery in Phillipsburg, NJ

Active since November 17, 2016
755 MEMORIAL PKWY STE 101B, PHILLIPSBURG, NJ 08865(484) 503-0055 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About St. Luke's Warren Physician Group, Pc NPPES

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

ST. LUKE'S WARREN PHYSICIAN GROUP, PC (NPI 1538601802) is a healthcare organization registered as a surgery in Phillipsburg, New Jersey and active in the NPI registry since November 2016. The organization lists Susan Chiavaroli, Manager, as its authorized official.

NPPES Registry Identity

NPI1538601802
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameST. LUKE'S WARREN PHYSICIAN GROUP, PC
Location Address755 MEMORIAL PKWY STE 101BPhillipsburg, NJ 08865-2774
Mailing Address801 Ostrum StBethlehem, PA 18015-1000 · (484) 526-4000 · Fax (866) 691-7526
Phone(484) 503-0055
Organization SubpartNo
Authorized OfficialSusan ChiavaroliManager · (484) 526-3569
Enumeration DateNovember 17, 2016
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
✔ NPI 1538601802 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
755 MEMORIAL PKWY STE 101B, Phillipsburg, NJ 08865
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Other Identifiers 2

Medicaid7123604NJ
Other054621NJ · Medicare

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

St. Luke's Warren Physician Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

527

Medicare enrollment records show 527 clinicians reassign Medicare billing to St. Luke's Warren Physician Group, PC, which bills Medicare for the services they deliver. Of these, 9 practice at this address and 101 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 41

Nurse Practitioner86
Internal Medicine54
Family Practice34
Neurology33
Pathology31
Orthopedic Surgery26
General Surgery22
Pulmonary Disease22
33 other specialties219

Nearest to this location (20)

See all 527
Abigail Colasacco, MD
Family Practice
NPI 1326770298
755 MEMORIAL PKWY STE 300
Phillipsburg, NJ 08865
(908) 847-3300
✔ PECOSSame address
Johny Fares, MD
Rheumatology
NPI 1942761051
755 MEMORIAL PKWY STE 302
Phillipsburg, NJ 08865
(484) 503-0055
✔ PECOS✔ Accepts MedicareSame address
Ryan O'donnell, M.D.
Orthopedic Surgery
NPI 1275981060
755 MEMORIAL PKWY STE 201
Phillipsburg, NJ 08865
(484) 526-1735
✔ PECOS✔ Accepts MedicareSame address
Jay Patel, MD
Orthopedic Surgery
NPI 1679033708
755 MEMORIAL PKWY STE 201
Phillipsburg, NJ 08865
(908) 847-8884
✔ PECOS✔ Accepts MedicareSame address
Amit Prasad, MD
Cardiovascular Disease (Cardiology)
NPI 1902067341
755 MEMORIAL PKWY SUITE 106
Phillipsburg, NJ 08865
(908) 859-0514
✔ PECOS✔ Accepts MedicareSame address
Richard Sharpe, M.D.
General Surgery
NPI 1720052202
755 MEMORIAL PKWY STE 101B
Phillipsburg, NJ 08865
(908) 847-5240
✔ PECOS✔ Accepts MedicareSame address
Ajaz Siddiqui, M.D.
Pain Management
NPI 1043645526
755 MEMORIAL PKWY BLDG. 200 SUITE 201
Phillipsburg, NJ 08865
(908) 835-1910
✔ PECOS✔ Accepts MedicareSame address
Narpinder Singh, MD
Cardiovascular Disease (Cardiology)
NPI 1518039791
755 MEMORIAL PKWY STE 106
Phillipsburg, NJ 08865
(908) 847-0514
✔ PECOS✔ Accepts MedicareSame address
Stephen Willis, MD
Gastroenterology
NPI 1629139076
755 MEMORIAL PKWY BLDG 100
Phillipsburg, NJ 08865
(484) 526-6545
✔ PECOS✔ Accepts MedicareSame address
Tracy Lee, APN
Nurse Practitioner
NPI 1083069736
755 MEMORIAL PKWY SUITE 112
Phillipsburg, NJ 08865
(855) 691-6897
✔ PECOS✔ Accepts Medicare0.1 mi
Kevin Kassick, LPC, LCADC
Mental Health Counselor
NPI 1902882491
305 ROSEBERRY ST SUITE 8
Phillipsburg, NJ 08865
(908) 454-7244
✔ PECOS✔ Accepts Medicare0.1 mi
Michelle Taylor, LCSW
Clinical Social Worker
NPI 1306198866
305 ROSEBERRY ST STE 8
Phillipsburg, NJ 08865
(908) 847-7520
✔ PECOS✔ Accepts Medicare0.1 mi
Nicholas Avallone, M.D.
Orthopedic Surgery
NPI 1790823755
755 MEMORIAL PKWY SUITE 105
Phillipsburg, NJ 08865
(908) 859-8884
✔ PECOS✔ Accepts Medicare0.1 mi
Navtej Brar, D.O.
Cardiovascular Disease (Cardiology)
NPI 1255515292
755 MEMORIAL PKWY SUITE 106
Phillipsburg, NJ 08865
(908) 859-0514
✔ PECOS✔ Accepts Medicare0.1 mi
Chatargy Kaza, MD
Gastroenterology
NPI 1235232497
755 MEMORIAL PKWY STE 102
Phillipsburg, NJ 08865
(908) 847-8484
✔ PECOS✔ Accepts Medicare0.1 mi
Brett Keller, DO
Family Practice
NPI 1306104419
755 MEMORIAL PKWY BLDG 200, SUITE 201
Phillipsburg, NJ 08865
(908) 859-8884
✔ PECOS✔ Accepts Medicare0.1 mi
Vijay Rastogi, M.D.
General Surgery
NPI 1407874886
755 MEMORIAL PKWY STE 105
Phillipsburg, NJ 08865
(484) 526-2200
✔ PECOS✔ Accepts Medicare0.1 mi
John Smith, M.D.
Hematology/Oncology
NPI 1275521361
755 MEMORIAL PARKWAY SUITE 102 HILLCREST PROFESSIONAL PLAZA
Phillipsburg, NJ 08865
(908) 454-0370
✔ PECOS✔ Accepts Medicare0.1 mi
Pooja Raju, M.D.
Pulmonary Disease
NPI 1760626774
123B ROSEBERRY ST
Phillipsburg, NJ 08865
(908) 213-3433
✔ PECOS✔ Accepts Medicare0.2 mi
Eiswarya Chichili, M.D.
Internal Medicine
NPI 1376798074
185 ROSEBERRY ST
Phillipsburg, NJ 08865
(908) 213-6611
✔ PECOS✔ Accepts Medicare0.2 mi
See all 527 clinicians

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 St. Luke's Warren Physician Group, PC's NPI number?

The NPI number for St. Luke's Warren Physician Group, PC is 1538601802. It was assigned to this organization in the NPPES registry on November 17, 2016.

Where is St. Luke's Warren Physician Group, PC located?

St. Luke's Warren Physician Group, PC is located at 755 Memorial Pkwy Ste 101B, Phillipsburg, NJ 08865. The listed phone number is (484) 503-0055.

What is St. Luke's Warren Physician Group, PC's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is St. Luke's Warren Physician Group, PC enrolled in Medicare?

Yes. St. Luke's Warren Physician Group, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through St. Luke's Warren Physician Group, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 527 clinicians in 41 Medicare specialties reassign their Medicare billing to St. Luke's Warren Physician Group, PC. 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. The largest specialties are Nurse Practitioner (86), Internal Medicine (54) and Family Practice (34). Of these, 9 practice at this address and 101 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for St. Luke's Warren Physician Group, PC was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.