Les Zakrzewski, MD
Internal Medicine Physician · West Seneca, NY
Les Zakrzewski, MD is an internal medicine physician with a practice address in West Seneca, New York, and NPI 1467431577, issued on Jan 17, 2006. Check the license (New York 154880-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Les Zakrzewski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 154880-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 721 Center RD, West Seneca, NY 14224
- Phone
- (716) 677-4070
- Enumerated
- Jan 17, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (716) 677-4095
- Medicaid ID
- 00806973 NY
- Medicare enrollment
- Enrolled (PECOS I20050202000198); may accept Medicare assignment
- Entity
- Type 1 · individual
Verify Les Zakrzewski 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 154880-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,953 Medicare Part D claims for 374 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. 130 claims were for opioids.
Most prescribed
- Atorvastatin Calcium622 claims
- Amlodipine Besylate470 claims
- Metoprolol Succinate295 claims
- Lisinopril279 claims
- Hydrochlorothiazide239 claims
- Eliquis221 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: $469.26
8 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.
Bills Medicare through one group practice
- Trinity Medical Wny PCWest Seneca, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
21 internal medicine physician records list a practice address in West Seneca
They are 21 of the 1,175 NPPES records with a practice address in West Seneca, and 12,067 internal medicine physician records in New York.
All 21 in West Seneca → All 12,067 in New York → Every provider in West Seneca →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Zurab Abayev, M.D.Brooklyn, NY1841283058
- Ehab Abaza, MDNew York, NY1114507555
- Vaidarshi Abbagoni, MDNew York, NY1871237495
- Muhammad AbbasRichmond Hill, NY1053996587
Common questions
What is Les Zakrzewski, MD's NPI number?
Les Zakrzewski, MD's National Provider Identifier (NPI) is 1467431577, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Les Zakrzewski, MD located?
The NPPES record lists a practice address at 721 Center RD, West Seneca, NY, 14224. Phone: (716) 677-4070. Providers update this record themselves, so call before visiting.
How can I verify Les Zakrzewski, MD's license?
NPPES lists New York license number 154880-1, 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 Les Zakrzewski, MD prescribe under Medicare Part D?
In 2024, Les Zakrzewski, MD had 7,953 Medicare Part D claims for 374 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.