Jeffrey Brian Danzig, M.D.

NPI 1689653909ActiveIndividual· Internal Medicine, Gastroenterology· Ridgewood, NJ

Internal Medicine, Gastroenterology (M.D.) in Ridgewood, New Jersey, trained at New York University School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $462,161 for 1,742 claims, against $193,849 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $812.14 in all, mostly food and beverage.

Overview

NPI	1689653909
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	Yes
NPI issued	Jan 13, 2006
Last updated in NPPES	Feb 16, 2026
Certified by provider	Feb 16, 2026

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	25MA05482800	NJ
Internal Medicine	207R00000X	25MA05482800	NJ

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

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

Medicare services in 2024

Medicare patients	409
Services billed	5,890 across 51 procedure codes
Paid by Medicare	$193,849

Part D prescriptions in 2024

Prescriptions (claims)	1,742 · 3,558 30-day fills
Patients	435
Total drug cost	$462,161
Generic share	81% of claims

Medicare sources and data years

Education and affiliations

Medical school	New York University School of Medicine
Graduation year	1983
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth