What is Nicholas Gourtzelis's specialty?

Nicholas Gourtzelis (NPI 1790734994) is a Medicare-billing provider whose primary specialty is Nephrology in St Louis, MO.

Where does Nicholas Gourtzelis practice?

Nicholas Gourtzelis practices in St Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1790734994.

How much does Medicare pay Nicholas Gourtzelis?

Nicholas Gourtzelis (NPI 1790734994) received approximately $342K in total Medicare Part B payments, serving 701 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790734994

Nicholas GourtzelisMD

NephrologySt Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,635

Unique beneficiaries

—

Total services

5,107

Distinct HCPCS

Medicare payment

$340K

Peer benchmark

Total Medicare services vs. 200 Nephrology providers in MO — top quintile (cohort median 1,024).

PRESCRIBING · PART D · 2024

Total Rx claims

1,069

Beneficiaries

—

Total drug cost

$345K

Distinct drugs

Brand share

12.5%

Top prescribed drugs

Calcitriol185 claims

Hydralazine Hcl88 claims

Furosemide80 claims

Amlodipine Besylate75 claims

Lisinopril74 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Nicholas Gourtzelis'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). 81 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Dennis Disch Cardiology · Niles, MI	122	363
Bradley Baker Interventional Radiology · Saint Louis, MO	114	347
James Perschbacher Cardiology · Saint Louis, MO	104	331
Charles Carey Cardiology · Saint Louis, MO	98	314
BEAL, CATHERINE	96	238
Heidi Joist Internal Medicine · Nampa, ID	80	269
SMITH, ROBERT	75	174
Paul Garvin General Surgery · Saint Louis, MO	65	531
Kabeya Mwintshi Nephrology · Saint Louis, MO	60	198
John Mellas Nephrology · Fenton, MO	54	147
SAINT LOUIS RENAL CARE, LLC	52	909
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	50	312

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