Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NIKOLAS HARRY ZAPHIROS M.D.
NPI 1184159352
Transplant Surgery in Valhalla, NY

Active since April 25, 2017PECOS Enrolled
100 WOODS RD FL ACP3, VALHALLA, NY 10595(914) 493-8916 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2026, Apr 25, 2017 (2 updates tracked since 2017).

About Dr. Nikolas Harry Zaphiros M.d. NPPES

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

DR. NIKOLAS HARRY ZAPHIROS M.D. (NPI 1184159352) is an individual transplant surgery provider in Valhalla, New York, licensed in New York (307632) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1184159352
Entity TypeIndividualMale
Primary Taxonomy204F00000X
Provider Legal NameDR. NIKOLAS HARRY ZAPHIROSCredential: M.D.
Location Address100 WOODS RD FL ACP3Valhalla, NY 10595-1530
Mailing Address100 Woods Rd Fl Acp3Valhalla, NY 10595-1530 · (914) 493-8916
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 25, 2017
Last NPPES UpdateSeptember 8, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1184159352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyTransplant SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204F00000X
License✔ Licensed in NY · 307632
Definition
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee
100 WOODS RD FL ACP3, Valhalla, NY 10595

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nikolas Harry Zaphiros M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022355007
PECOS Enrollment IDI20260827001506
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 Nikolas Zaphiros reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595
  • Reassigned Medicare billing, New York enrollment
  • 1,663 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 4

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

Internal Medicine
100 WOODS RD FL ACP3
VALHALLA, NY 10595
Internal Medicine (Transplant Hepatology)
100 WOODS RD FL ACP3
VALHALLA, NY 10595
Transplant Surgery
100 WOODS RD FL ACP3
VALHALLA, NY 10595
Surgery
100 WOODS RD FL ACP3
VALHALLA, NY 10595

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 Nikolas Zaphiros's NPI number?

The NPI number for Nikolas Zaphiros is 1184159352. It was assigned to this individual provider in the NPPES registry on April 25, 2017.

Where is Nikolas Zaphiros located?

Nikolas Zaphiros practices at 100 Woods Rd Fl Acp3, Valhalla, NY 10595. The listed phone number is (914) 493-8916.

What is Nikolas Zaphiros's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

Is Nikolas Zaphiros enrolled in Medicare?

Yes. Nikolas Zaphiros is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nikolas Zaphiros's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nikolas Zaphiros reassigns Medicare benefits to Westchester Medical Center Advanced Physician Services PC (Valhalla, 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 Nikolas Zaphiros'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 Nikolas Zaphiros was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.