MISS OLESYA ILASHUK
NPI 1871153338
Nurse Practitioner - Adult Health in Teaneck, NJ

Q: What is Olesya Ilashuk's NPI number?

The NPI number for Olesya Ilashuk is 1871153338. It was assigned to this individual provider in the NPPES registry on June 17, 2019.

Q: What is Olesya Ilashuk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Olesya Ilashuk was last updated on June 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since June 17, 2019PECOS EnrolledAccepts Medicare Assignment

870 PALISADE AVE STE 302, TEANECK, NJ 07666(201) 836-9696 Get Directions Write a Review

NPPES record last updated: June 17, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Miss Olesya Ilashuk NPPES

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

MISS OLESYA ILASHUK (NPI 1871153338) is an individual adult health provider in Teaneck, New Jersey, licensed in New Jersey (26NJ00924400) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1871153338

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMISS OLESYA ILASHUK

Location Address870 PALISADE AVE STE 302Teaneck, NJ 07666-3446

Mailing Address109 River StEast Rutherford, NJ 07073-1602 · (973) 855-7040

Phone(201) 836-9696

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJune 17, 2019

✔ NPI 1871153338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in NJ · 26NJ00924400

870 PALISADE AVE STE 302, Teaneck, NJ 07666

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Miss Olesya Ilashuk is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850621152

PECOS Enrollment IDI20190930002933

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 Reassignments

Medicare enrollment records show Olesya Ilashuk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gangaram Ragi

Same address

Dermatology

870 PALISADE AVENUE, SUITE 302
Teaneck, NJ 07666

Reassigned Medicare billing, New Jersey enrollment
9 clinicians in this Medicare group

NPI 1124138995 (201) 836-9696

Clark Dermatology LLC

24 mi

Dermatology

1075 CENTRAL AVE
Clark, NJ 07066

Reassigned Medicare billing, New Jersey enrollment
34 clinicians in this Medicare group

NPI 1851562425 (732) 574-1399

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

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

416 services50 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

195 services145 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

123 services65 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

115 services98 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

76 services59 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

54 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07666 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

$98.09 typical visit price

range $63.84 – $190.92

Typical copayment $24.52 (range $15.96 – $47.73)

Most-billed visit code 99203

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MEGAN ELIZABETH LEWIS

Physician Assistant

870 PALISADE AVE STE 302
TEANECK, NJ 07666

Bergen County (201) 836-9696

MARIA G DALY PA

Physician Assistant

870 PALISADE AVE STE 302
TEANECK, NJ 07666

Bergen County (484) 238-2135

KATELYN MARIE LUTER NP

Nurse Practitioner (Primary Care)

870 PALISADE AVE STE 302
TEANECK, NJ 07666

Bergen County (201) 836-9696

ALYSSA L NELSON AGNP-C

Nurse Practitioner

870 PALISADE AVE STE 302
TEANECK, NJ 07666

Bergen County (201) 836-9696

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 Olesya Ilashuk's NPI number?

The NPI number for Olesya Ilashuk is 1871153338. It was assigned to this individual provider in the NPPES registry on June 17, 2019.

Where is Olesya Ilashuk located?

Olesya Ilashuk practices at 870 Palisade Ave Ste 302, Teaneck, NJ 07666. The listed phone number is (201) 836-9696.

What is Olesya Ilashuk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Olesya Ilashuk enrolled in Medicare?

Yes. Olesya Ilashuk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Olesya Ilashuk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olesya Ilashuk reassigns Medicare benefits to 2 organizations: Gangaram Ragi (Teaneck, NJ) and Clark Dermatology LLC (Clark, NJ). Each 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 Olesya Ilashuk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Olesya Ilashuk accept?

Health plans from Oscar Health list Olesya Ilashuk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Olesya Ilashuk was last updated on June 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.