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WESTCHESTER CANCER CARE RLLP
NPI 1477787000
Internal Medicine - Medical Oncology in New Rochelle, NY

Active since May 11, 2009
175 MEMORIAL HWY, NEW ROCHELLE, NY 10801(914) 632-3814(914) 632-7212 Get Directions Write a Review

NPPES record last updated: May 11, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Westchester Cancer Care Rllp NPPES

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

WESTCHESTER CANCER CARE RLLP (NPI 1477787000) is a healthcare organization registered as a medical oncology in New Rochelle, New York and active in the NPI registry since May 2009. The organization lists Morton Hantman, General Partner, as its authorized official.

NPPES Registry Identity

NPI1477787000
Entity TypeOrganization
Primary Taxonomy207RX0202X
Legal Business NameWESTCHESTER CANCER CARE RLLP
Location Address175 MEMORIAL HWYNew Rochelle, NY 10801-5635
Mailing Address175 Memorial HwyNew Rochelle, NY 10801-5635 · (914) 632-3814 · Fax (914) 632-7212
Phone(914) 632-3814
Fax(914) 632-7212
Organization SubpartNo
Authorized OfficialMorton HantmanGeneral Partner · (914) 632-3814
Enumeration DateMay 11, 2009
✔ NPI 1477787000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in NY · 136178
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
175 MEMORIAL HWY, New Rochelle, NY 10801
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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)

Westchester Cancer Care Rllp 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 Westchester Cancer Care Rllp, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ian Hantman, MD
Hematology/Oncology
NPI 1609061043
175 MEMORIAL HWY SUITE 1-7
New Rochelle, NY 10801
(914) 632-3814
✔ 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.

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 33D0140891

Westchester Cancer Care Rllp · New Rochelle, NY
Expired · Sep 30, 2026
CLIA Number33D0140891
Laboratory TypePhysician Office
Certificate Effective DateJune 20, 2022
Certificate Expiration DateSeptember 30, 2026
Laboratory DirectorDr. Morton M. Hantman
Laboratory Phone(914) 632-3814
Laboratory LocationWestchester Cancer Care Rllp175 Memorial Highway, Suite 1-7, New Rochelle, NY 10801
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Westchester Cancer Care Rllp's NPI number?

The NPI number for Westchester Cancer Care Rllp is 1477787000. It was assigned to this organization in the NPPES registry on May 11, 2009.

Where is Westchester Cancer Care Rllp located?

Westchester Cancer Care Rllp is located at 175 Memorial Hwy, New Rochelle, NY 10801. The listed phone number is (914) 632-3814.

What is Westchester Cancer Care Rllp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Westchester Cancer Care Rllp enrolled in Medicare?

Yes. Westchester Cancer Care Rllp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Westchester Cancer Care Rllp?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Hematology/Oncology) reassigns their Medicare billing to Westchester Cancer Care Rllp. 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 Westchester Cancer Care Rllp was last updated on May 11, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.