Stanislaw Piotr Klek, M.D.
Endocrinology, Diabetes & Metabolism Physician · Mineola, NY
Stanislaw Piotr Klek, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Mineola, New York, and NPI 1497000145, issued on Jul 18, 2012. Check the license (New York 274623, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stanislaw Piotr Klek
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 274623 NY
Self-reported in NPPES; status is on the state search - Practice location
- 101 Mineola Blvd, Mineola, NY 11501
- Phone
- (516) 663-3511
- Enumerated
- Jul 18, 2012
- Record last updated
- Mar 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160620000418); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 101 Mineola Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarita George, NPPediatric Nurse Practitioner1811141526
- Nicole Regan, RDNRegistered Dietitian1780133876
- Gary Rothberger, MDEndocrinology, Diabetes & Metabolism Physician1952665242
- Paul Saenger, MDPediatric Endocrinology Physician1275695298
Verify Stanislaw Piotr 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 274623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,546 Medicare Part D claims for 264 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Mounjaro228 claims
- Metformin Hcl159 claims
- Jardiance144 claims
- Nano 2nd Gen Pen Needle111 claims
- Levothyroxine Sodium104 claims
- Novolog Flexpen102 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stanislaw Piotr Klek among 970 endocrinology, diabetes & metabolism physician records in New York
Stanislaw Piotr Klek, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2004 among the 694 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Mineola → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- John Aloia, M.D.Mineola, NY 115011043289960
- Michael Goldstein, MDMineola, NY 115011124524863
- Mageda Mikhail, M.D.Mineola, NY 115011497724025
- Amy Patel, M.D.Mineola, NY 115011083060081
- Gary Rothberger, MDMineola, NY 115011952665242
- Lawrence Shapiro, M.D.Mineola, NY 115011144299777
- Deviani Umadat, DOMineola, NY 115011952755811
- Kumarpal Shah, M.D.Albertson, NY 115071093995524
Common questions
What is Stanislaw Piotr Klek, M.D.'s NPI number?
Stanislaw Piotr Klek, M.D.'s National Provider Identifier (NPI) is 1497000145, issued on Jul 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Stanislaw Piotr Klek, M.D. located?
The NPPES record lists a practice address at 101 Mineola Blvd, Mineola, NY, 11501. Phone: (516) 663-3511. Providers update this record themselves, so call before visiting.
How can I verify Stanislaw Piotr Klek, M.D.'s license?
NPPES lists New York license number 274623, 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 Stanislaw Piotr Klek, M.D. prescribe under Medicare Part D?
In 2024, Stanislaw Piotr Klek, M.D. had 2,546 Medicare Part D claims for 264 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Stanislaw Piotr Klek, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.