DR. ROBERT MICHAEL LAZAR MD
NPI 1730164179
Internal Medicine - Gastroenterology in Commack, NY
About Dr. Robert Michael Lazar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT MICHAEL LAZAR MD (NPI 1730164179) is an individual gastroenterology provider in Commack, New York, licensed in New York (153441) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Robert Michael Lazar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Lazar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Commack, NY 11725
- Reassigned Medicare billing, New York enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11725 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COMMACK, NY 11725
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 Robert Lazar's NPI number?
The NPI number for Robert Lazar is 1730164179. It was assigned to this individual provider in the NPPES registry on December 8, 2005.
Where is Robert Lazar located?
Robert Lazar practices at 1092 Jericho Tpke Ste 2S, Commack, NY 11725. The listed phone number is (631) 543-8660.
What is Robert Lazar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Robert Lazar enrolled in Medicare?
Yes. Robert Lazar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Lazar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Lazar reassigns Medicare benefits to Robert M Lazar MD PC (Commack, NY). The 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 Robert Lazar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Lazar was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.