Mark Jeffrey Weinstein, M.D.

NPI 1376549576ActiveIndividual· Internal Medicine· Lawrenceville, NJ

Internal Medicine (M.D.) in Lawrenceville, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $234,801 for 3,632 claims, against $59,833 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $38.74 in all, mostly food and beverage.

Overview

NPI	1376549576
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 22, 2005
Last updated in NPPES	Oct 5, 2007

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	MA49517	NJ

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (NJ)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	216
Services billed	2,020 across 23 procedure codes
Paid by Medicare	$59,833

Part D prescriptions in 2024

Prescriptions (claims)	3,632 · 9,479 30-day fills
Patients	427
Total drug cost	$234,801
Generic share	93% of claims

Medicare sources and data years

Education and affiliations

Medical school	Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Graduation year	1985
Medicare specialty	Internal Medicine
Telehealth	Offers telehealth