What is Nicholas Koutrelakos's specialty?

Nicholas Koutrelakos (NPI 1912972415) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Columbia, MD.

Where does Nicholas Koutrelakos practice?

Nicholas Koutrelakos practices in Columbia, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1912972415.

How much does Medicare pay Nicholas Koutrelakos?

Nicholas Koutrelakos (NPI 1912972415) received approximately $13K in total Medicare Part B payments, serving 135 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1912972415

Nicholas KoutrelakosM.D.

Hematology-OncologyColumbia, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

147

Unique beneficiaries

—

Total services

170

Distinct HCPCS

Medicare payment

$12K

Peer benchmark

Total Medicare services vs. 175 Hematology-Oncology providers in MD — bottom quintile (cohort median 11,156).

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Nicholas Koutrelakos'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	248	1,818
HOWARD COUNTY GENERAL HOSPITAL, INC,	122	1,131
MINFORD, JON	79	629
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	77	237
Edward Lee Hematology-Oncology · Columbia, MD	68	530
Tejaswi Sastry Hematology-Oncology · Columbia, MD	65	443
Quest Diagnostics Nichols Institute, Inc. Clinical Laboratory · Chantilly, VA	46	125
Victor Bracey Diagnostic Radiology · Owings Mills, MD	33	100
Keith Friedman Cardiology · Columbia, MD	31	104
FRASSICA, DEBORAH	30	268
Pathologists Bio-Medical Laboratories Pllc Clinical Laboratory · Coppell, TX	22	241
Elizabeth Kim Diagnostic Radiology · Owings Mills, MD	19	40

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