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MADISON MEDICAL PRACTICE P.C.
NPI 1871751735
Internal Medicine in New York, NY

Active since May 28, 2008
35 W 36TH ST RM 4W, NEW YORK, NY 10018(212) 686-5800(855) 428-5426 Get Directions Write a Review

NPPES record last updated: April 18, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Madison Medical Practice P.c. NPPES

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

MADISON MEDICAL PRACTICE P.C. (NPI 1871751735) is a healthcare organization registered as an internal medicine in New York, New York and active in the NPI registry since May 2008. The organization lists Lev Haimoff, Owner, as its authorized official.

NPPES Registry Identity

NPI1871751735
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMADISON MEDICAL PRACTICE P.C.
Location Address35 W 36TH ST RM 4WNew York, NY 10018-7658
Mailing Address35 W 36th St Rm 4wNew York, NY 10018-7658 · (212) 686-5800 · Fax (855) 428-5426
Phone(212) 686-5800
Fax(855) 428-5426
Organization SubpartNo
Authorized OfficialLev HaimoffOwner · (212) 686-5800
Enumeration DateMay 28, 2008
Last NPPES UpdateApril 18, 2024
NPPES CertifiedApril 18, 2024
✔ NPI 1871751735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 233707
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
35 W 36TH ST RM 4W, New York, NY 10018
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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)

Madison Medical Practice 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 Madison Medical Practice P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Lev Haimoff, D.O.
Internal Medicine
NPI 1831133131
35 W 36TH ST RM 4W
New York, NY 10018
(212) 686-5800
✔ 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 Madison Medical Practice P.C.'s NPI number?

The NPI number for Madison Medical Practice P.C. is 1871751735. It was assigned to this organization in the NPPES registry on May 28, 2008.

Where is Madison Medical Practice P.C. located?

Madison Medical Practice P.C. is located at 35 W 36th St Rm 4W, New York, NY 10018. The listed phone number is (212) 686-5800.

What is Madison Medical Practice P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Madison Medical Practice P.C. enrolled in Medicare?

Yes. Madison Medical Practice P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Madison Medical Practice P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Madison Medical Practice 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 Madison Medical Practice P.C. was last updated on April 18, 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.