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KATHERINE CLARK PEHLIVAN MD
NPI 1104261502
Pediatrics - Pediatric Hematology-Oncology in Valhalla, NY

Active since April 30, 2013PECOS Enrolled
40 SUNSHINE COTTAGE RD # 1N-H15, VALHALLA, NY 10595(914) 594-2131 Get Directions Write a Review

NPPES record last updated: November 13, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 13, 2020, Aug 21, 2019 (2 updates tracked since 2019).

About Katherine Clark Pehlivan Md NPPES

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

KATHERINE CLARK PEHLIVAN MD (NPI 1104261502) is an individual pediatric hematology-oncology provider in Valhalla, New York, licensed in New York (307117-01) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104261502
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameKATHERINE CLARK PEHLIVANCredential: MD
Location Address40 SUNSHINE COTTAGE RD # 1N-H15Valhalla, NY 10595-1524
Mailing Address40 Sunshine Cottage Rd # 1n-h15Valhalla, NY 10595-1524 · (914) 594-2131
Phone(914) 594-2131
Sole ProprietorNo
Enumeration DateApril 30, 2013
Last NPPES UpdateNovember 13, 20202 updates tracked since enumeration
NPPES CertifiedNovember 13, 2020
✔ NPI 1104261502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
Licenses✔ Licensed in NY · 307117-01✔ Licensed in CA · A162443
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
40 SUNSHINE COTTAGE RD # 1N-H15, Valhalla, NY 10595
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Other Names 1

Former Name (1)Katherine Clark Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Clark Pehlivan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Pehlivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston Children's Health Physicians, LLP
0.3 mi
Pediatrics
19 SKYLINE DR OFC 1N-D06
Hawthorne, NY 10532
  • Reassigned Medicare billing, New York enrollment
  • 511 clinicians in this Medicare group
NPI 1467454967 (914) 594-2100

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 Katherine Pehlivan's NPI number?

The NPI number for Katherine Pehlivan is 1104261502. It was assigned to this individual provider in the NPPES registry on April 30, 2013. The provider is also known as Katherine Clark MD.

Where is Katherine Pehlivan located?

Katherine Pehlivan practices at 40 Sunshine Cottage Rd # 1n-H15, Valhalla, NY 10595. The listed phone number is (914) 594-2131.

What is Katherine Pehlivan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Katherine Pehlivan enrolled in Medicare?

Yes. Katherine Pehlivan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Pehlivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Pehlivan reassigns Medicare benefits to Boston Children's Health Physicians, LLP (Hawthorne, 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 Katherine Pehlivan'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 Katherine Pehlivan was last updated on November 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.