What is Oleg Korolev's specialty?

Oleg Korolev (NPI 1750383535) is a Medicare-billing provider whose primary specialty is Anesthesiology in Oak Park, IL.

Where does Oleg Korolev practice?

Oleg Korolev practices in Oak Park, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1750383535.

How much does Medicare pay Oleg Korolev?

Oleg Korolev (NPI 1750383535) received approximately $4K in total Medicare Part B payments, serving 40 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1750383535

Oleg KorolevM.D.

AnesthesiologyOak Park, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$801

Peer benchmark

Total Medicare services vs. 1,674 Anesthesiology providers in IL — bottom quintile (cohort median 208).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Oleg Korolev'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Kamran Heydarpour Gastroenterology · Oak Park, IL	58	135
David Springer Ophthalmology · Oak Park, IL	58	190
Ryan Dunn Certified Registered Nurse Anesthetist (CRNA) · Chicago, IL	46	47
Erica Flynn Certified Registered Nurse Anesthetist (CRNA) · Melrose Park, IL	44	49
Kiran Rajmane Diagnostic Radiology · Elmhurst, IL	31	52
WORTMAN, JAMES	28	57
ASBURY, HEIDI	27	32
Fahad Iqbal Cardiology · Menomonee Falls, WI	22	56
Scott Reishus Vascular Surgery · Downers Grove, IL	21	44
Ashish Arora Gastroenterology · Elmhurst, IL	20	29
Melvin Speisman Internal Medicine · Libertyville, IL	17	58
NPI 1134358567	17	24

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