Bernard Berel Yonk, M.D.
Gastroenterology Physician · Brooklyn, NY
Bernard Berel Yonk, M.D. is a gastroenterology physician with a practice address in Brooklyn, New York, and NPI 1437224425, issued on Nov 22, 2006. Check the license (New York 140237, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Bernard Berel Yonk
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 140237 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2355 Ocean Ave, Brooklyn, NY 11229
- Phone
- (171) 864-5429
- Enumerated
- Nov 22, 2006
- Record last updated
- Feb 3, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (171) 833-6197
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 2355 Ocean Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Bernard Berel Yonk 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 140237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average gastroenterology physician in 2024
201 Medicare Part D claims for 66 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Omeprazole39 claims
- Sucralfate31 claims
- Pantoprazole Sodium14 claims
- Gavilyte-G11 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.
Industry payments in 2024: $39.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Braintree Laboratories, Inc. 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.
Bernard Berel Yonk among 1,797 gastroenterology physician records in New York
Bernard Berel Yonk, M.D. 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- 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
- Joseph Durzieh, M.D.Brooklyn, NY 112291942271010
- Jeffrey Gamss, MDBrooklyn, NY 112291780793943
- Gary Gettenberg, M.D.Brooklyn, NY 112291194795476
- Inna Gordin, M.D.Brooklyn, NY 112291093866386
- Stephen Haddad, M.D.Brooklyn, NY 112291801844964
- Kadirawelpillai Iswara, MDBrooklyn, NY 112291265506828
- Oleg Katcher, MDBrooklyn, NY 112291598701468
- Alvin Leb, MDBrooklyn, NY 112291356358220
Common questions
What is Bernard Berel Yonk, M.D.'s NPI number?
Bernard Berel Yonk, M.D.'s National Provider Identifier (NPI) is 1437224425, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bernard Berel Yonk, M.D. located?
The NPPES record lists a practice address at 2355 Ocean Ave, Brooklyn, NY, 11229. Phone: (171) 864-5429. Providers update this record themselves, so call before visiting.
How can I verify Bernard Berel Yonk, M.D.'s license?
NPPES lists New York license number 140237, 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 Bernard Berel Yonk, M.D. prescribe under Medicare Part D?
In 2024, Bernard Berel Yonk, M.D. had 201 Medicare Part D claims for 66 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.