LEONID FRENKEL DO
NPI 1699162388
Internal Medicine in Bronx, NY
About Leonid Frenkel Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEONID FRENKEL DO (NPI 1699162388) is an individual internal medicine provider in Bronx, New York, licensed in New York (292040) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in White Plains.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Leonid Frenkel Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Leonid Frenkel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Areas 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 10468 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10468
BRONX, NY 10468
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 Leonid Frenkel's NPI number?
The NPI number for Leonid Frenkel is 1699162388. It was assigned to this individual provider in the NPPES registry on April 20, 2015.
Where is Leonid Frenkel located?
Leonid Frenkel practices at 130 W Kingsbridge Rd, Bronx, NY 10468. The listed phone number is (718) 984-9000.
What is Leonid Frenkel's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Leonid Frenkel enrolled in Medicare?
Yes. Leonid Frenkel is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Leonid Frenkel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonid Frenkel reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, 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 Leonid Frenkel'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 Leonid Frenkel was last updated on February 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.