DR. ELIOT HOWARD ZIMBALIST MD
NPI 1063412609
Internal Medicine - Gastroenterology in Scarsdale, NY
About Dr. Eliot Howard Zimbalist Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIOT HOWARD ZIMBALIST MD (NPI 1063412609) is an individual gastroenterology provider in Scarsdale, New York, licensed in New York (149213) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, holds a CLIA Certificate of Compliance certificate valid through March 26, 2027, and maintains a secondary practice location in Brooklyn.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
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. Eliot Howard Zimbalist 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.
Medicare Billing Reassignments
2Medicare enrollment records show Eliot Zimbalist reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronxville, NY 10708
- Reassigned Medicare billing, New York enrollment
- 531 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 33D2124083
Eliot Zimbalist Mc PC · Brooklyn, NYAreas of Expertise CMS Part B claims 8
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10583 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCARSDALE, NY 10583
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 Eliot Zimbalist's NPI number?
The NPI number for Eliot Zimbalist is 1063412609. It was assigned to this individual provider in the NPPES registry on July 26, 2005. The provider is also known as Dr. Eliot Howard Zimbalist MD.
Where is Eliot Zimbalist located?
Eliot Zimbalist practices at 700 White Plains Rd Ste 19, Scarsdale, NY 10583. The listed phone number is (914) 750-4700.
What is Eliot Zimbalist's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Eliot Zimbalist enrolled in Medicare?
Yes. Eliot Zimbalist 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 Eliot Zimbalist's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eliot Zimbalist reassigns Medicare benefits to 2 organizations: Lawrence Medical Associates, PC (Bronxville, NY) and Optum Medical Care, P.C. (Mount Kisco, NY). 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 Eliot Zimbalist's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Does Eliot Zimbalist hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 33D2124083) is associated with this NPI, valid through March 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Eliot Zimbalist was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.