National Provider Identifier
Les Zakrzewski, MD
Les Zakrzewski, MD is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in West Seneca, NY and a listed phone number of (716) 677-4070.
Source: public NPPES record, last updated July 13, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1467431577
- Provider Type
- Individual
- Primary Specialty
- Internal Medicine Physician
- Enumeration Date
- January 17, 2006
- Last Updated
- July 13, 2026
Practice Location
- 721 Center RD
- West Seneca, NY 14224-2181
Phone: (716) 677-4070
Specialties
- Internal Medicine Physician (207R00000X)
Browse Similar Providers
See more providers in the Internal Medicine classification in Buffalo, NY.
Medicare Part B Activity
Reported 290 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 42nd percentile for Medicare service volume.
Around the middle of the peer group.
Performs 21% fewer Medicare services than the peer median.
Higher than 280 of 665 peers.
- Activity Percentile
- 42.1%
- Rank by Services
- 384 of 665
- Total Services
- 290
- Est. Allowed Value
- $24,602.03
- Dataset Year
- 2024
- Drug Code Share
- 10.7%
Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.
Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.
Percentile distribution
Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 94,260 total Medicare services.
Top Clinical Services
- 99213: Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
143 services | $11,717.21
- 99214: Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
52 services | $6,015.52
- G0008: Administration of influenza virus vaccine
35 services | $994.70
- 99232: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
15 services | $1,058.70
- 99215: Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
14 services | $2,279.48
Common Drug-Related Codes
- 90653: Influenza vaccine, inactivated
17 services | $1,390.94
- 90662: Influenza vaccine split virus, preservative free
14 services | $1,145.48
Full Record
- NPI
- 1467431577
- Entity Type
- Individual
- Last Name
- Zakrzewski
- First Name
- Les
- Credential
- MD
- Mailing Street Address
- 721 Center RD
- Mailing City
- West Seneca
- Mailing State
- NY
- Mailing ZIP Code
- 14224-2181
- Mailing Country
- US
- Mailing Phone
- (716) 677-4070
- Mailing Fax
- (716) 677-4095
- Practice Street Address
- 721 Center RD
- Practice City
- West Seneca
- Practice State
- NY
- Practice ZIP Code
- 14224-2181
- Practice Country
- US
- Practice Phone
- (716) 677-4070
- Practice Fax
- (716) 677-4095
- Enumeration Date
- January 17, 2006
- Last Updated
- July 13, 2026
- Sex
- Male
- Sole Proprietor
- No
- Taxonomies
- Internal Medicine Physician (207R00000X)
- Other Identifiers
- 00806973 (NY)