PROVIDER PROFILE · NPI 1659354926

Istvan BognarMD

NephrologyGreenville, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,299

Unique beneficiaries

—

Total services

1,805

Distinct HCPCS

Medicare payment

$129K

Peer benchmark

Total Medicare services vs. 138 Nephrology providers in SC — above median (cohort median 2,014).

PRESCRIBING · PART D · 2024

Total Rx claims

912

Beneficiaries

—

Total drug cost

$278K

Distinct drugs

Brand share

21.2%

Top prescribed drugs

Losartan Potassium113 claims

Carvedilol86 claims

Dapagliflozin Propanediol76 claims

Amlodipine Besylate64 claims

Furosemide63 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Education$25

REFERRAL NETWORK

Where Istvan Bognar'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). 148 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRA LABORATORIES INC	206	1,191
William Ward Nephrology · Greenville, SC	150	626
YU, HENRY	133	702
DIALYSIS NEWCO LLC	110	2,396
Bernard Masters Diagnostic Radiology · Greenville, SC	80	225
Karen Robertson Nurse Practitioner · Greenville, SC	80	180
James Haswell Diagnostic Radiology · Columbia, SC	66	192
GREENVILLE HEALTH SYSTEM	63	145
William Deeter Interventional Radiology · Greenville, SC	60	134
Joan Burkhardt Diagnostic Radiology · Spartanburg, SC	58	169
Jon Bittrick Cardiology · Greenville, SC	49	172
Matthew Nessmith Cardiology · Greenville, SC	49	132

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