Chaim Poper, DO
Internal Medicine Physician · Brooklyn, NY
Chaim Poper, DO is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1346745908, issued on Mar 27, 2018. Check the license (New York 309311, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Chaim Poper
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 309311 NY
Self-reported in NPPES; status is on the state search - Practice location
- 74 Wallabout St, Brooklyn, NY 11249
- Phone
- (718) 260-4600
- Enumerated
- Mar 27, 2018
- Record last updated
- Oct 1, 2025
- Fax
- (718) 797-9075
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 74 Wallabout St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chaim Poper 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 309311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,485 Medicare Part D claims for 57 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Metoprolol Succinate80 claims
- Atorvastatin Calcium79 claims
- Levothyroxine Sodium71 claims
- Pantoprazole Sodium67 claims
- Duloxetine Hcl66 claims
- Ketoconazole59 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: $195.50
9 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Chaim Poper among 12,067 internal medicine physician records in New York
Chaim Poper, DO is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
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Common questions
What is Chaim Poper, DO's NPI number?
Chaim Poper, DO's National Provider Identifier (NPI) is 1346745908, issued on Mar 27, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Chaim Poper, DO located?
The NPPES record lists a practice address at 74 Wallabout St, Brooklyn, NY, 11249. Phone: (718) 260-4600. Providers update this record themselves, so call before visiting.
How can I verify Chaim Poper, DO's license?
NPPES lists New York license number 309311, 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 Chaim Poper, DO prescribe under Medicare Part D?
In 2024, Chaim Poper, DO had 2,485 Medicare Part D claims for 57 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.