Dr. Istvan Gabor Bognar, MD
- Medicare services, 2024
- 1,805
- Medicare patients, 2024
- 437
- Part D claims, 2024
- 1,118
- Hospital affiliations
- 6
- Industry payments
- $6,929
- Practice address
- 110 Chalmers Road, Suite C, Greenville, SC 29605
- Practice phone
- Call (864) 558-2365
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
U.S. Renal Care - Pleasantburg
Dialysis Center - Independent · Greenville, South Carolina
Find Dr. Bognar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Istvan Gabor Bognar is a nephrologist in Greenville, South Carolina
Dr. Bognar practices at U.S. Renal Care - Pleasantburg in Greenville, South Carolina.
Dr. Bognar's NPI, 1659354926, was assigned on November 21, 2005. Dr. Bognar graduated from Morehouse School of Medicine in 2001. Dr. Bognar holds South Carolina license 22530.
- NPI
- 1659354926NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224006937
- NPI enumeration date
- November 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (864) 558-2365
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Istvan Gabor Bognar practices at 2 locations in Greenville, South Carolina
Dr. Bognar's primary practice is U.S. Renal Care - Pleasantburg, at 110 Chalmers Road, Suite C, Greenville, SC 29605 in Greenville County. The practice phone is (864) 558-2365. Dr. Bognar also practices at U.S. Renal Care Pleasantburg Dialysis, 203 Mills Ave, Greenville, SC 29605.
- U.S. Renal Care - PleasantburgPrimary110 Chalmers Road, Suite C, Greenville, SC 29605 · Greenville CountyPhone(864) 558-2365
- U.S. Renal Care Pleasantburg Dialysis203 Mills Ave, Greenville, SC 29605 · Greenville CountyPhone(864) 558-2365
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Istvan Gabor Bognar is affiliated with 10 sites of care and 1 medical group
Dr. Bognar's primary practice is U.S. Renal Care - Pleasantburg in Greenville, South Carolina. Dr. Bognar is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Carolina Nephrology, PA. Dmand AI also links Dr. Bognar to 5 more hospitals, 2 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Istvan Gabor Bognar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bognar practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| U.S. Renal Care - Pleasantburg | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Istvan Gabor Bognar is one of 156 nephrologists in South Carolina
Nephrology is Dr. Bognar's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Bognar is licensed in South Carolina.
Specialties and state licenses
- Nephrology, South CarolinaPrimary
Nephrologists near Dr. Bognar
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Istvan Gabor Bognar billed Medicare for 1,805 services in 2024
CMS data shows 1,805 Medicare services from Dr. Bognar across 23 procedure codes in 2024, for 437 Medicare patients. Medicare paid $129,488 for them.
Dr. Bognar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6792024: 59812%
- Lab and pathology
- 2023: 02024: 405
- Tests and treatments
- 2023: 7062024: 32953%
- Other services
- 2023: 02024: 243
- Surgery
- 2023: 1012024: 230128%
Where Dr. Bognar's Medicare services took place, 2024
- In an office1,41979%
- In a facility38621%
Dr. Bognar compared with the South Carolina median for nephrologists, 2024
- Dr. Bognar
- South Carolina median
- Medicare services
- 1,805vs 1,63910% above
- Medicare patients
- 437vs 4136% above
- Part D claims
- 912vs 72027% above
Medians across 155 nephrologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Bognar's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Bognar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bognar and other nephrologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Istvan Gabor Bognar treated 437 Medicare patients in 2024, average age 73
CMS counts 437 Medicare patients who saw Dr. Bognar in 2024. The largest group is 75 to 84, with 182 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 12% are also on Medicaid. Their average risk score is 3.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Bognar's median patient age at 70, with 49% women.
Dr. Bognar's Medicare patients by age, 2024
Dr. Bognar's Medicare patients by sex, 2024
- Women20848%
- Men22952%
Chronic conditions among Dr. Bognar's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Ischemic heart disease52%
- Arthritis51%
- Heart failure45%
- Atrial fibrillation35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bognar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Istvan Gabor Bognar wrote 1,118 Medicare Part D claims in 2024
In 2024, Dr. Bognar wrote 1,118 Medicare Part D claims for 263 patients. 80% of them were for generic drugs. CMS names the drug for 912 of them, across 27 drugs with 11 or more claims each, at $277,840 in total drug cost. In 2023, CMS named 978 claims across 23 drugs.
Dr. Bognar's Part D claims by kind of drug, 2024
- Generic898 claims80%
- Brand-name220 claims20%
Dr. Bognar's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bognar's Part D claims, 2024
- Antibiotics1%13 of 1,118 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9782024: 9127%
Drugs named by CMS: 27 in 2024, 23 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Istvan Gabor Bognar offers telehealth to Medicare patients
Dr. Bognar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bognar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Istvan Gabor Bognar received $6,929 in industry payments from 2016 to 2025
CMS Open Payments shows 323 general payments to Dr. Bognar from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $828.
General payments to Dr. Bognar by program year, 2016 to 2025
General payments to Dr. Bognar by kind, 2016 to 2025
- Food and beverage$6,86699%
- Education$631%
Companies that paid Dr. Bognar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Istvan Gabor Bognar graduated from Morehouse School of Medicine
Dr. Bognar graduated from Morehouse School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Istvan Gabor Bognar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Istvan Gabor Bognar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Istvan Gabor Bognar's NPI number?
Dr. Istvan Gabor Bognar's NPI number is 1659354926. It was assigned on November 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Istvan Gabor Bognar?
Dr. Istvan Gabor Bognar is a nephrologist in Greenville, South Carolina. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Istvan Gabor Bognar practice?
Dr. Bognar practices at 110 Chalmers Road, Suite C, Greenville, SC 29605. Dr. Bognar also practices at 203 Mills Ave, Greenville, SC 29605. Dr. Bognar's primary practice is U.S. Renal Care - Pleasantburg in Greenville, South Carolina. Dmand AI also links Dr. Bognar to 5 hospitals, 2 dialysis centers and 1 group practice or clinic.
What is Dr. Istvan Gabor Bognar's office phone number?
The practice phone on file for Dr. Bognar is (864) 558-2365.
What is Dr. Istvan Gabor Bognar's medical license number?
Dr. Bognar holds South Carolina license 22530.
Which hospitals is Dr. Istvan Gabor Bognar affiliated with?
Dr. Bognar is affiliated with Prisma Health Greenville Memorial Hospital. Dmand AI links Dr. Bognar to 5 more hospitals.
What medical group is Dr. Istvan Gabor Bognar part of?
Dr. Bognar is linked to Carolina Nephrology, PA.
Does Dr. Istvan Gabor Bognar accept Medicare?
Yes. CMS data shows Dr. Bognar billed Medicare for 1,805 services in 2024, and Dr. Bognar accepts Medicare assignment.
Does Dr. Istvan Gabor Bognar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bognar as offering telehealth services.
How many Medicare patients does Dr. Istvan Gabor Bognar see?
CMS counts 437 Medicare patients who saw Dr. Bognar in 2024, with an average age of 73.
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What services does Dr. Istvan Gabor Bognar bill to Medicare?
In 2024, Dr. Bognar's most billed Medicare services were medicare service (G2211), hospital inpatient care (99233) and surgery: heart and blood vessels (36415).
Where did Dr. Istvan Gabor Bognar go to medical school?
Dr. Bognar graduated from Morehouse School of Medicine in 2001.
What drugs does Dr. Istvan Gabor Bognar prescribe most?
In 2024 Medicare Part D data, Dr. Bognar's most prescribed drugs by claims were Losartan Potassium, Carvedilol and Farxiga.
Has Dr. Istvan Gabor Bognar received payments from drug or device companies?
CMS Open Payments shows $6,929 in general payments to Dr. Bognar from 38 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Istvan Gabor Bognar been practicing?
Dr. Bognar graduated from medical school in 2001, 25 years ago.
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