MARINA KOSTYUK APN
NPI 1336643162
Nurse Practitioner in New Providence, NJ

Q: What is Marina Kostyuk's NPI number?

The NPI number for Marina Kostyuk is 1336643162. It was assigned to this individual provider in the NPPES registry on March 19, 2018.

Q: What is Marina Kostyuk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Marina Kostyuk was last updated on February 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 March 19, 2018PECOS EnrolledAccepts Medicare Assignment

890 MOUNTAIN AVE, NEW PROVIDENCE, NJ 07974(908) 277-8639(908) 277-8767 Get Directions Write a Review

NPPES record last updated: February 23, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 23, 2023, Mar 19, 2018 (2 updates tracked since 2018).

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About Marina Kostyuk Apn NPPES

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

MARINA KOSTYUK APN (NPI 1336643162) is an individual nurse practitioner in New Providence, New Jersey, licensed in New Jersey (26NJ00805000) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Overlook Medical Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1336643162

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARINA KOSTYUKCredential: APN

Location Address890 MOUNTAIN AVENew Providence, NJ 07974-1218

Mailing Address1 Diamond Hill RdBerkeley Heights, NJ 07922-2104 · (917) 774-7425

Phone(908) 277-8639

Fax(908) 277-8767

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateMarch 19, 2018

Last NPPES UpdateFebruary 23, 20232 updates tracked since enumeration

NPPES CertifiedFebruary 23, 2023

✔ NPI 1336643162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in NJ · 26NJ00805000

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 26NJ00805000 (NJ)

890 MOUNTAIN AVE, New Providence, NJ 07974

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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

Marina Kostyuk Apn 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 ID3779949045

PECOS Enrollment IDI20230512000368

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 Marina Kostyuk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Summit Medical Group PA

0.6 mi

Multi-Specialty

1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
Berkeley Heights, NJ 07922

Reassigned Medicare billing, New Jersey enrollment
1,184 clinicians in this Medicare group

NPI 1942254347 (908) 273-4300

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Overlook Medical Center

Acute Care Hospitals · Summit, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310051

Location99 Beauvoir AvenueSummit, NJ 07901 · Union County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07974 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 20

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

MS. MARGARET S CLARKE LPC

Counselor (Addiction (Substance Use Disorder))