DR. KARYN MARLENE HIRSCH M.D.
NPI 1023123619
General Practice in Tarrytown, NY

Active since August 21, 2006PECOS Enrolled
220 WHITE PLAINS RD, TARRYTOWN, NY 10591(914) 263-8117(914) 962-5461 Get Directions Write a Review

NPPES record last updated: August 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Karyn Marlene Hirsch M.d. NPPES

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

DR. KARYN MARLENE HIRSCH M.D. (NPI 1023123619) is an individual general practice provider in Tarrytown, New York, licensed in New York (179994) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023123619
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. KARYN MARLENE HIRSCHCredential: M.D.
Location Address220 WHITE PLAINS RDTarrytown, NY 10591-5837
Mailing Address17 Rockridge RdRye, NY 10580-4130 · (914) 967-8805
Fax(914) 962-5461
Sole ProprietorYes
Enumeration DateAugust 21, 2006
Last NPPES UpdateAugust 29, 2025
NPPES CertifiedAugust 29, 2025
✔ NPI 1023123619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in NY · 179994
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
220 WHITE PLAINS RD, Tarrytown, NY 10591

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karyn Marlene Hirsch M.d. 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 Karyn Hirsch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Developmental Disabilities
220 WHITE PLAINS RD
Tarrytown, NY 10591
  • Reassigned Medicare billing, New York enrollment
  • 342 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.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapy Assistant
220 WHITE PLAINS RD, SUITE 550
TARRYTOWN, NY 10591
Dietitian, Registered
220 WHITE PLAINS RD
TARRYTOWN, NY 10591
Physical Therapy Assistant
220 WHITE PLAINS RD, 550
TARRYTOWN, NY 10591
Clinic/Center (Developmental Disabilities)
220 WHITE PLAINS RD
TARRYTOWN, NY 10591
Psychiatry & Neurology (Psychiatry)
220 WHITE PLAINS RD
TARRYTOWN, NY 10591
Registered Nurse
220 WHITE PLAINS RD
TARRYTOWN, NY 10591
Speech-Language Pathologist
220 WHITE PLAINS RD, STE. 550
TARRYTOWN, NY 10591
Speech-Language Pathologist
220 WHITE PLAINS RD
TARRYTOWN, NY 10591

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 Karyn Hirsch's NPI number?

The NPI number for Karyn Hirsch is 1023123619. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Karyn Hirsch located?

Karyn Hirsch practices at 220 White Plains Rd, Tarrytown, NY 10591. The listed phone number is (914) 263-8117.

What is Karyn Hirsch's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Karyn Hirsch enrolled in Medicare?

Yes. Karyn Hirsch is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karyn Hirsch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karyn Hirsch reassigns Medicare benefits to State Of New York Comptrollers Office (Tarrytown, 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 Karyn Hirsch'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 Karyn Hirsch was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.