1. Home
  2. Directory
  3. New Jersey
  4. Newark
  5. Transplant Surgery
  6. NPI Profile

DR. JAMES VINCENT GUARRERA MD
NPI 1417998782
Transplant Surgery in Newark, NJ

Active since June 09, 2006PECOS EnrolledAccepts Medicare Assignment
73.27/100
CMS Quality Rating
140 BERGEN ST # E1620, NEWARK, NJ 07103(973) 972-7218(973) 972-6227 Get Directions Write a Review

NPPES record last updated: April 4, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. James Vincent Guarrera Md NPPES

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

DR. JAMES VINCENT GUARRERA MD (NPI 1417998782) is an individual transplant surgery provider in Newark, New Jersey, licensed in New York (214324-1) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1417998782
Entity TypeIndividualMale
Primary Taxonomy204F00000X
Provider Legal NameDR. JAMES VINCENT GUARRERACredential: MD
Location Address140 BERGEN ST # E1620Newark, NJ 07103
Mailing Address30 Bergen St Rm 1205Newark, NJ 07107-3000
Phone(973) 972-7218
Fax(973) 972-6227
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 9, 2006
Last NPPES UpdateApril 4, 2019
✔ NPI 1417998782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyTransplant SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204F00000X
License✔ Licensed in NY · 214324-1
Definition
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee
140 BERGEN ST # E1620, Newark, NJ 07103
Open in Google Maps ↗

Secondary Practice Location 1

Location 1622 W 168th St, PH14-CNew York, NY 10032-3720 · Phone (212) 305-0914 · Fax (212) 305-4343

Other Identifiers 1

Medicaid02660960NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

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. James Vincent Guarrera 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.

PECOS PAC ID42240202
PECOS Enrollment IDI20260102000320
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

5

Medicare enrollment records show James Guarrera reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Physician Associates Of New Jersey Inc
0.1 mi
Surgery
90 BERGEN ST
Newark, NJ 07103
  • Reassigned Medicare billing, New Jersey enrollment
  • 149 clinicians in this Medicare group
NPI 1639189236 (973) 972-5045
Barnabas Health Medical Group PC
5.7 mi
Specialist
225 WILLIAMSON ST
Elizabeth, NJ 07202
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,894 clinicians in this Medicare group
NPI 1841557246 (888) 724-7123
Columbia Doctors Of New Jersey, P. C.
15 mi
Diagnostic Radiology
25 ROCKWOOD PL STE 215
Englewood, NJ 07631
  • Reassigned Medicare billing, New Jersey enrollment
  • 149 clinicians in this Medicare group
NPI 1952224370 (201) 569-0440
Jefferson University Physicians
75 mi
General Practice
33 S. 9TH STREET
Philadelphia, PA 19107
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,739 clinicians in this Medicare group
NPI 1326093675 (215) 955-0000
The Nemours Foundation
75 mi
Multi-Specialty
833 CHESTNUT ST STE 301
Philadelphia, PA 19107
  • Reassigned Medicare billing, Delaware enrollment
  • 526 clinicians in this Medicare group
NPI 1902959653 (215) 955-5800

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

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390174
Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality44.89
Promoting Interoperability83
Improvement Activities40
Cost47.69

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MAXWELL ALAN GODEK MD
Student in an Organized Health Care Education/Training Program
140 BERGEN ST # E1620
NEWARK, NJ 07103
Essex County (973) 972-5377

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 James Guarrera's NPI number?

The NPI number for James Guarrera is 1417998782. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is James Guarrera located?

James Guarrera practices at 140 Bergen St # E1620, Newark, NJ 07103. The listed phone number is (973) 972-7218.

What is James Guarrera's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

Is James Guarrera enrolled in Medicare?

Yes. James Guarrera 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 James Guarrera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Guarrera reassigns Medicare benefits to 5 organizations: University Physician Associates Of New Jersey Inc (Newark, NJ), Barnabas Health Medical Group PC (Elizabeth, NJ), Columbia Doctors Of New Jersey, P. C. (Englewood, NJ), Jefferson University Physicians (Philadelphia, PA) and The Nemours Foundation (Philadelphia, 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 James Guarrera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Guarrera accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, AmeriHealth Caritas Next and Oscar Health list James Guarrera as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is James Guarrera affiliated with any hospitals?

According to CMS data, James Guarrera is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for James Guarrera was last updated on April 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.