Alexander Brun, MD
Gastroenterology Physician · Brooklyn, NY
Alexander Brun, MD is a gastroenterology physician with a practice address in Brooklyn, New York, and NPI 1164735072, issued on Jul 20, 2010. Check the license (New York 264831, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alexander Brun
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 264831 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1517 Voorhies Ave, Brooklyn, NY 11235
- Phone
- (718) 332-0600
- Enumerated
- Jul 20, 2010
- Record last updated
- Jul 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151014000779); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 1517 Voorhies Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emma Johnson, LMSWSocial Worker1578455135
- Irina Klebanov, D.O.Family Medicine Physician1013955285
Verify Alexander Brun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 264831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,240 Medicare Part D claims for 428 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Pantoprazole Sodium499 claims
- Linzess289 claims
- Famotidine210 claims
- Dexlansoprazole Dr192 claims
- Zenpep164 claims
- Creon88 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,016.97
106 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Triborough GI PLLCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Brun among 1,797 gastroenterology physician records in New York
Alexander Brun, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 73% of them.
- NPI issued2010 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2009 · median 1999 among the 1,378 with a school on file
- Record last updated2015 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Brooklyn → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jean Atallah-Vinograd, M.D.Brooklyn, NY 112351942444393
- Robin Baradarian, M.D.Brooklyn, NY 112351104841931
- Michael BernsteinBrooklyn, NY 112351043221450
- Jack Braha, DOBrooklyn, NY 112351548456890
- Nancy Chen, MDBrooklyn, NY 112351063742534
- Democleia Gottesman, MDBrooklyn, NY 112351902857303
- Zhanna Gutnik, MDBrooklyn, NY 112351417929167
- Yevgeniy Mikityanskiy, D.O.Brooklyn, NY 112351538420823
Common questions
What is Alexander Brun, MD's NPI number?
Alexander Brun, MD's National Provider Identifier (NPI) is 1164735072, issued on Jul 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Brun, MD located?
The NPPES record lists a practice address at 1517 Voorhies Ave, Brooklyn, NY, 11235. Phone: (718) 332-0600. Providers update this record themselves, so call before visiting.
How can I verify Alexander Brun, MD's license?
NPPES lists New York license number 264831, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexander Brun, MD prescribe under Medicare Part D?
In 2024, Alexander Brun, MD had 2,240 Medicare Part D claims for 428 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Alexander Brun, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.