What is Natalie Semenyuk's specialty?

Natalie Semenyuk (NPI 1841232642) is a Medicare-billing provider whose primary specialty is Obstetrics & Gynecology in East Setauket, NY.

Where does Natalie Semenyuk practice?

Natalie Semenyuk practices in East Setauket, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1841232642.

How much does Medicare pay Natalie Semenyuk?

Natalie Semenyuk (NPI 1841232642) received approximately $13K in total Medicare Part B payments, serving 73 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841232642

Natalie SemenyukM.D.

PRACTICEUNIVERSITY ASSOCIATES IN OBSTETRICS AND GYNECOLOGYSee all providers at this practice →

Obstetrics & GynecologyEast Setauket, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

109

Unique beneficiaries

—

Total services

112

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 1,739 Obstetrics & Gynecology providers in NY — above median (cohort median 125).

PRESCRIBING · PART D · 2024

Total Rx claims

149

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

9.4%

Top prescribed drugs

Norethindrone Acetate71 claims

Fluconazole27 claims

Sertraline Hcl24 claims

Desogestrel-Ethinyl Estradiol14 claims

Estradiol13 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

27.5

Cost

68.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Natalie Semenyuk's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 1 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	18	59

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events