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

DR. ILYSE BLAZAR DO
NPI 1679192801
Surgery in Hawthorne, NY

Active since April 08, 2020PECOS Enrolled
19 BRADHURST AVE STE 25575S, HAWTHORNE, NY 10532(914) 909-6416 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 8, 2026, Apr 11, 2022, Apr 8, 2020 (3 updates tracked since 2020).

About Dr. Ilyse Blazar Do NPPES

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

DR. ILYSE BLAZAR DO (NPI 1679192801) is an individual surgery provider in Hawthorne, New York, licensed in New York (341510) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1679192801
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. ILYSE BLAZARCredential: DO
Location Address19 BRADHURST AVE STE 25575SHawthorne, NY 10532-2140
Mailing Address19 Bradhurst Ave Ste 2575sHawthorne, NY 10532-2140 · (914) 909-6416
Phone(914) 909-6416
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 8, 2020
Last NPPES UpdateSeptember 8, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1679192801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NY · 341510
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
19 BRADHURST AVE STE 25575S, Hawthorne, NY 10532
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ilyse Blazar Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7517434400
PECOS Enrollment IDI20260429000268
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 Ilyse Blazar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Westchester Medical Center Advanced Physician Services PC
0.1 mi
Anesthesiology
100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595
  • Reassigned Medicare billing, New York enrollment
  • 1,663 clinicians in this Medicare group
NPI 1740687458 (914) 493-2844

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10532 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Ilyse Blazar's NPI number?

The NPI number for Ilyse Blazar is 1679192801. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Ilyse Blazar located?

Ilyse Blazar practices at 19 Bradhurst Ave Ste 25575S, Hawthorne, NY 10532. The listed phone number is (914) 909-6416.

What is Ilyse Blazar's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ilyse Blazar enrolled in Medicare?

Yes. Ilyse Blazar is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ilyse Blazar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ilyse Blazar 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 Ilyse Blazar'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 Ilyse Blazar 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 52 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.