Istvan Gabor Bognar, MD
Nephrology Physician · Greenville, SC
Istvan Gabor Bognar, MD is a nephrology physician with a practice address in Greenville, South Carolina, and NPI 1659354926, issued on Nov 21, 2005. Check the license (South Carolina 22530, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Istvan Gabor Bognar
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 22530 SC
Self-reported in NPPES; status is on the state search - Practice location
- 203 Mills Ave, Greenville, SC 29605
- Phone
- (864) 271-1844
- Enumerated
- Nov 21, 2005
- Record last updated
- Aug 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (864) 271-2147
- Medicaid ID
- 767576 SC
- Medicare enrollment
- Enrolled (PECOS I20140725002108); accepts Medicare assignment
- Medical or professional school
- Morehouse School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 202 in South Carolina → Look up another NPI →
Also registered at 203 Mills Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Acres, MDNephrology Physician1922081298
- Chokri AliouaNephrology Physician1538142807
- Kaye Christopher, MDNephrology Physician1881689966
- Kevin Dao, DOInternal Medicine Physician1811456981
- Amanda Dill, NPAcute Care Nurse Practitioner1740859636
- Kory Drake, DONephrology Physician1114423522
Verify Istvan Gabor Bognar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 22530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average nephrology physician in 2024
1,118 Medicare Part D claims for 263 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Losartan Potassium113 claims
- Carvedilol86 claims
- Farxiga76 claims
- Amlodipine Besylate64 claims
- Furosemide63 claims
- Lisinopril62 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 19.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,323.48
54 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Carolina Nephrology PAGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Istvan Gabor Bognar among 202 nephrology physician records in South Carolina
Istvan Gabor Bognar, MD is one of 202 nephrology physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2001 · median 1999 among the 144 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in South Carolina
There are 202 nephrology physician records in South Carolina.
All 202 in South Carolina → Every provider in Greenville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- George Acres, MDGreenville, SC 296051922081298
- Chokri AliouaGreenville, SC 296051538142807
- Kaye Christopher, MDGreenville, SC 296051881689966
- Charles Fowler, MDGreenville, SC 296051558344820
- Joachim Hertel, MDGreenville, SC 296051538146303
- William Kendrick, M.D.Greenville, SC 296051720199920
- Victor Klimas, MDGreenville, SC 296051801879184
- Joseph North-Coombes, M.D.Greenville, SC 296051346398047
Common questions
What is Istvan Gabor Bognar, MD's NPI number?
Istvan Gabor Bognar, MD's National Provider Identifier (NPI) is 1659354926, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Istvan Gabor Bognar, MD located?
The NPPES record lists a practice address at 203 Mills Ave, Greenville, SC, 29605. Phone: (864) 271-1844. Providers update this record themselves, so call before visiting.
How can I verify Istvan Gabor Bognar, MD's license?
NPPES lists South Carolina license number 22530, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Istvan Gabor Bognar, MD prescribe under Medicare Part D?
In 2024, Istvan Gabor Bognar, MD had 1,118 Medicare Part D claims for 263 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Istvan Gabor Bognar, MD's MIPS final score?
The 2023 MIPS final score is 19.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.