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

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