Malgorzata Klek, MD
Internal Medicine Physician · Elmhurst, NY
Malgorzata Klek, MD is an internal medicine physician with a practice address in Elmhurst, New York, and NPI 1437391042, issued on Mar 27, 2009. Check the license (New York 266051, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Malgorzata Klek
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 266051 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7901 Broadway, Elmhurst, NY 11373
- Phone
- (718) 334-2490
- Enumerated
- Mar 27, 2009
- Record last updated
- Mar 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121010000388); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 7901 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Malgorzata Klek 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 266051Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
732 Medicare Part D claims for 68 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
- Atorvastatin Calcium109 claims
- Amlodipine Besylate47 claims
- Lisinopril42 claims
- Losartan Potassium37 claims
- Metformin Hcl37 claims
- Jardiance28 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiElmhurst, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Malgorzata Klek among 12,067 internal medicine physician records in New York
Malgorzata Klek, MD 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2009 · median 2002 among the 7,221 with a school on file
- Record last updated2015 · 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).
114 internal medicine physician records list a practice address in Elmhurst
They are 114 of the 2,781 NPPES records with a practice address in Elmhurst, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Elmhurst → Internal Medicine Physician nationwide →
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Common questions
What is Malgorzata Klek, MD's NPI number?
Malgorzata Klek, MD's National Provider Identifier (NPI) is 1437391042, issued on Mar 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Malgorzata Klek, MD located?
The NPPES record lists a practice address at 7901 Broadway, Elmhurst, NY, 11373. Phone: (718) 334-2490. Providers update this record themselves, so call before visiting.
How can I verify Malgorzata Klek, MD's license?
NPPES lists New York license number 266051, 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 Malgorzata Klek, MD prescribe under Medicare Part D?
In 2024, Malgorzata Klek, MD had 732 Medicare Part D claims for 68 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.