2026 NPPES data Medical Physician Assistant NPI 1326731530 PA-C
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Irina Kilyushik, PA-C

Medical Physician Assistant in Portland, Oregon.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 40,580 in Medical Physician Assistant, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
49
Medicare Part D claims · 37 beneficiaries · Medical Physician Assistant avg: 1K
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Irina Kilyushik, PA-C filed 49 Medicare Part D claims in 2023 as a Medical Physician Assistant in Portland, Oregon.

49
Part D claims, 2023

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.

Irina Kilyushik, PA-C's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023, across all CMS prescribers nationally

49 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2K+: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

What does the federal data show about Irina Kilyushik, PA-C?

Quality data not reported

NPI registry status

Active

Issued 06/01/2023

NPI 1326731530

Primary specialty

Medical Physician Assistant

Mid-sized

40,580 US NPIs in this specialty

Medicare Part D claims

49 95% vs specialty avg

2023 prescription claims

Specialty avg: 1,077

Specialty distribution in Oregon

How Medical Physician Assistant compares to other specialties among Oregon providers

Oregon providers
Mental Health Counselor - 12.1%Mental Health Counselor12.1%Massage Therapist - 4.8%Massage Therapist4.8%Counselor - 3.9%Counselor3.9%Addiction (Substance Use Disorder) Counselor - 3.5%Addiction (Substance Use Disorder) Counselor3.5%Case Manager/Care Coordinator - 3.4%Case Manager/Care Coordinator3.4%Clinical Social Worker - 3.3%Clinical Social Worker3.3%Medical Physician Assistant - 0.5%Medical Physician Assistant0.5%
Largest specialties in Oregon (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Medical Physician Assistant. Verify directly:

How MIPS and board certification work

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

Irina Kilyushik, PA-C appears in the CMS NPPES registry as a Medical Physician Assistant provider holding PA-C credentials at 19500 SE STARK ST, Portland, OR, 97233, with a listed phone of (800) 813-2000. NPI 1326731530 was issued on 06/01/2023.

Medicare Part D records for calendar year 2023 show 49 prescription claims written by this provider, covering 37 Medicare beneficiaries and totaling roughly $846 in drug spend.

Medical Physician Assistant is a mid-sized specialty nationwide, with 40,580 enrolled providers across 55 states and an average of 1,077 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.

Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

19500 SE STARK ST
Portland, OR 97233

Provider Details

NPI 1326731530
Specialty Medical Physician Assistant
Credentials PA-C
Gender Female
NPI Issued 06/01/2023

Hospital and facility affiliations

Facilities where Irina Kilyushik, PA-C bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

Kaiser Foundation Health Plan OF The Northwest
Clackamas, OR

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

49
Total Claims
$846
Total Drug Cost
37
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
64
Total Day Supply
1,321
Generic Drug Cost
$670
Antibiotic Claims
12

Patient Demographics

Average Patient Age
73.5 years
Avg HCC Risk Score
0.80
Gender Split
59% female / 41% male

Medical Physician Assistant Overview

How Irina Kilyushik, PA-C fits within the Medical Physician Assistant landscape nationally.

40,580
Medical Physician Assistant Providers in US
55
States with Medical Physician Assistant
1,077
Avg Claims per Provider

Irina Kilyushik, PA-C's 49 claims are below the specialty average of 1,077.

Nearby Medical Physician Assistant Providers in Oregon

Other clinicians with the same primary specialty enrolled in Oregon, drawn from the same CMS NPPES roster as Kilyushik.

Compare Medical Physician Assistant nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Oregon medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Medical Physician Assistant peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Irina Kilyushik, PA-C's specialty?
Irina Kilyushik, PA-C specializes in Medical Physician Assistant and practices in Portland, Oregon. Credentials: PA-C.
How much does Irina Kilyushik, PA-C prescribe under Medicare Part D?
In 2023, Irina Kilyushik, PA-C wrote 49 Medicare Part D claims totaling $846 in drug costs for 37 beneficiaries.
Where is Irina Kilyushik, PA-C located?
Irina Kilyushik, PA-C is located at 19500 SE STARK ST, Portland, OR, 97233. Phone: (800) 813-2000.
What is Irina Kilyushik, PA-C's NPI number?
Irina Kilyushik, PA-C's National Provider Identifier (NPI) is 1326731530, issued on 06/01/2023.
How many Medical Physician Assistant providers are there in the US?
There are 40,580 Medical Physician Assistant providers across 55 states in the US. The average Medical Physician Assistant provider writes 1,077 Medicare Part D claims per year.
Does Irina Kilyushik, PA-C accept Medicare?
Irina Kilyushik, PA-C appears in CMS Medicare data with 49 Part D claims and 37 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Irina Kilyushik, PA-C's credentials?
Irina Kilyushik, PA-C's NPI is 1326731530 with credentials PA-C. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

View source datasets and methodology notes
Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology

Compiled from official public sources by the PlainDoctor editorial team.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.