Les Zakrzewski, MD
NPI 1467431577 · Internal Medicine Physician · West Seneca, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Les Zakrzewski, MD is a Internal Medicine Physician provider in West Seneca, NY (NPI 1467431577).
Provider details
- NPI number
- 1467431577
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 154880-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
259 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 143 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $116 |
| Administration of Influenza Virus VaccineG0008 | 35 | $28 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 15 | $71 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 14 | $163 |
Typical Medicare-allowed amounts for these services range $28–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 622 | 185 |
| Amlodipine Besylate | 470 | 127 |
| Metoprolol Succinate | 295 | 85 |
| Lisinopril | 279 | 78 |
| Hydrochlorothiazide | 239 | 73 |
| Apixabanbrand: Eliquis | 221 | 46 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$469 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Les Zakrzewski's NPI number?
- Les Zakrzewski's National Provider Identifier (NPI) is 1467431577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Les Zakrzewski's specialty?
- Les Zakrzewski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Les Zakrzewski located?
- Les Zakrzewski's practice location on file with NPPES is 721 Center Rd, West Seneca, NY 14224-2181.
- What is Les Zakrzewski's phone number?
- The practice phone number listed in the NPPES registry for Les Zakrzewski is (716) 677-4070.
- Does Les Zakrzewski accept Medicare?
- Les Zakrzewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Les Zakrzewski's NPI active?
- Yes — Les Zakrzewski's NPI (1467431577) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.