LEONID KOZER MEDICAL, P.C.
NPI 1811124571
Internal Medicine - Cardiovascular Disease in Brooklyn, NY

Active since June 19, 2009
1729 EAST 12TH STREET, 2ND FLOOR, BROOKLYN, NY 11229(718) 375-2825(718) 375-4231 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Leonid Kozer Medical, P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEONID KOZER MEDICAL, P.C. (NPI 1811124571) is a healthcare organization registered as a cardiovascular disease in Brooklyn, New York and active in the NPI registry since June 2009. The organization lists Leonid Kozer, Owner, as its authorized official.

NPPES Registry Identity

NPI1811124571
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameLEONID KOZER MEDICAL, P.C.
Location Address1729 EAST 12TH STREET, 2ND FLOORBrooklyn, NY 11229
Mailing Address1550 E 13th St, Apt 6-gBrooklyn, NY 11230-7158 · (718) 375-2825 · Fax (718) 375-4231
Fax(718) 375-4231
Organization SubpartNo
Authorized OfficialLeonid KozerOwner · (718) 375-2825
Enumeration DateJune 19, 2009
Last NPPES UpdateJanuary 20, 2026
NPPES CertifiedJanuary 20, 2026
✔ NPI 1811124571 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in NY · 210014
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
1729 EAST 12TH STREET, 2ND FLOOR, Brooklyn, NY 11229

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leonid Kozer Medical, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Leonid Kozer Medical, P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Cardiovascular Disease (Cardiology)
NPI 1396798872
1729 E 12TH ST FL 2NF
Brooklyn, NY 11229
(718) 375-2825
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Kozer Medical, P.C.'s NPI number?

The NPI number for Leonid Kozer Medical, P.C. is 1811124571. It was assigned to this organization in the NPPES registry on June 19, 2009.

Where is Leonid Kozer Medical, P.C. located?

Leonid Kozer Medical, P.C. is located at 1729 East 12th Street, 2nd Floor, Brooklyn, NY 11229. The listed phone number is (718) 375-2825.

What is Leonid Kozer Medical, P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Leonid Kozer Medical, P.C. enrolled in Medicare?

Yes. Leonid Kozer Medical, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Leonid Kozer Medical, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Leonid Kozer Medical, P.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Leonid Kozer Medical, P.C. was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.