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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.

OKSANA LELYUKH KOSTYUKEVICH PA-C
NPI 1720768898
Physician Assistant in Downey, CA

Active since July 24, 2023PECOS Enrolled
11938 PARAMOUNT BLVD, DOWNEY, CA 90242(562) 923-6060(562) 923-6601 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2026, Oct 11, 2023, Jul 24, 2023 (3 updates tracked since 2023).

About Oksana Lelyukh Kostyukevich Pa-c NPPES

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

OKSANA LELYUKH KOSTYUKEVICH PA-C (NPI 1720768898) is an individual physician assistant in Downey, California, licensed in (PA63203) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1720768898
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameOKSANA LELYUKH KOSTYUKEVICHCredential: PA-C
Location Address11938 PARAMOUNT BLVDDowney, CA 90242-2306
Mailing Address11938 Paramount BlvdDowney, CA 90242-2306 · (562) 923-6060 · Fax (562) 923-6601
Phone(562) 923-6060
Fax(562) 923-6601
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJuly 24, 2023
Last NPPES UpdateAugust 7, 20263 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1720768898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed · PA63203
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
11938 PARAMOUNT BLVD, Downey, CA 90242
Open in Google Maps ↗

Secondary Practice Locations 2

Location 18500 Florence Ave Ste 101Downey, CA 90240-4062 · Phone (562) 202-5020 · Fax (562) 923-6601
Location 27521 Edinger Ave Unit 1612Huntington Beach, CA 92647-3585 · Phone (952) 217-0890

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oksana Lelyukh Kostyukevich Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID143760355
PECOS Enrollment IDI20240913001477
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90242 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Other Providers at the Same Location NPPES 12

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

DR. GARY MARTIN POPYAK DDS
Dentist (General Practice)
11938 PARAMOUNT BLVD, SUITE 4B
DOWNEY, CA 90242
Los Angeles County (562) 869-3217
DR. ELAINE Y LAU DDS
Dentist
11938 PARAMOUNT BLVD, #B
DOWNEY, CA 90242
Los Angeles County (562) 869-3217
JI WOONG SHIN PA-C
Physician Assistant
11938 PARAMOUNT BLVD
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
WINIFRED C EZENWA NURSE PRACTITIONER
Nurse Practitioner (Family)
11938 PARAMOUNT BLVD
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
JAMES C. ARTHUR, D.D.S., INC. A PROFESSIONAL CORPORATION
Dentist (Pediatric Dentistry)
11938 PARAMOUNT BLVD, SUITE B
DOWNEY, CA 90242
Los Angeles County (562) 869-3217
MRS. HELEN NGOZI NJOKU
Nurse Practitioner
11938 PARAMOUNT BLVD
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
IFEOMA CYNTHIA ANIEMEKA I
Nurse Practitioner (Family)
11938 PARAMOUNT BLVD
DOWNEY, CA 90242
Los Angeles County (562) 923-6060
DOMINIQUE MICHELLE GILLYARD DNP
Nurse Practitioner (Family)
11938 PARAMOUNT BLVD
DOWNEY, CA 90242
Los Angeles County (657) 391-3713

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 Oksana Kostyukevich's NPI number?

The NPI number for Oksana Kostyukevich is 1720768898. It was assigned to this individual provider in the NPPES registry on July 24, 2023.

Where is Oksana Kostyukevich located?

Oksana Kostyukevich practices at 11938 Paramount Blvd, Downey, CA 90242. The listed phone number is (562) 923-6060.

What is Oksana Kostyukevich's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Oksana Kostyukevich enrolled in Medicare?

Yes. Oksana Kostyukevich is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Oksana Kostyukevich was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.