DR. GARY MICHAEL HORBAR M.D.
NPI 1851442198
Internal Medicine in New York, NY
About Dr. Gary Michael Horbar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY MICHAEL HORBAR M.D. (NPI 1851442198) is an individual internal medicine provider in New York, New York, licensed in New York (135289) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and is a graduate of New York Medical College (1976).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gary Michael Horbar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gary Horbar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10075
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Horbar And Hochweiss MD PC
- 2 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.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lenox Hill Hospital
Acute Care Hospitals · New York, NYNyu Langone Hospitals
Acute Care Hospitals · New York, NYHospital For Special Surgery
Acute Care Hospitals · New York, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10075 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Gary Horbar's NPI number?
The NPI number for Gary Horbar is 1851442198. It was assigned to this individual provider in the NPPES registry on January 15, 2007.
Where is Gary Horbar located?
Gary Horbar practices at 47 E 77th St Ste 205, New York, NY 10075. The listed phone number is (212) 570-9119.
What is Gary Horbar's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gary Horbar enrolled in Medicare?
Yes. Gary Horbar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gary Horbar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Horbar reassigns Medicare benefits to Horbar And Hochweiss, M.D., P.C. (New York, 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 Gary Horbar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gary Horbar affiliated with any hospitals?
According to CMS data, Gary Horbar is affiliated with Lenox Hill Hospital, Nyu Langone Hospitals, Hospital For Special Surgery and Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Gary Horbar was last updated on June 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.