What is Istvan Bognar's specialty?

Istvan Bognar (NPI 1659354926) is a Medicare-billing provider whose primary specialty is Nephrology in Greenville, SC.

Where does Istvan Bognar practice?

Istvan Bognar practices in Greenville, SC, based on the location reported in the CMS Medicare provider datasets for NPI 1659354926.

How much does Medicare pay Istvan Bognar?

Istvan Bognar (NPI 1659354926) received approximately $137K in total Medicare Part B payments, serving 437 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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