National Provider Identifier
Benjamin Aaron Zwierzchowski, MD, MS
Benjamin Aaron Zwierzchowski, MD, MS is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Williamsville, NY and a listed phone number of (716) 656-4459.
Source: public NPPES record, last updated December 20, 2021. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1811494842
- Provider Type
- Individual
- Primary Specialty
- Internal Medicine Physician
- Enumeration Date
- April 06, 2018
- Last Updated
- December 20, 2021
Practice Location
- 325 Essjay
- Williamsville, NY 14221-1422
Phone: (716) 656-4459
Mailing Address
- 425 Essjay Suite 170
- Williamsville, NY 14221-1243
Specialties
- Internal Medicine Physician (207R00000X)
Endpoints
- production@direct.buffalomedicalgroup.com
Direct Messaging Address | Williamsville, NY 14221
Browse Similar Providers
See more Internal Medicine providers in Buffalo, NY.
Medicare Part B Activity
Reported 661 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 73rd percentile for Medicare service volume.
Around the middle of the peer group.
Performs 82% more Medicare services than the peer median.
Higher than 485 of 665 peers.
- Activity Percentile
- 72.9%
- Rank by Services
- 179 of 665
- Total Services
- 661
- Est. Allowed Value
- $39,743.45
- Dataset Year
- 2023
- Drug Code Share
- 7.6%
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 91,321 total Medicare services.
Top Clinical Services
- 99213: Established patient office or other outpatient visit, 20-29 minutes
97 services | $8,513.06
- G0439: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
86 services | $10,880.72
- 80053: Blood test, comprehensive group of blood chemicals
60 services | $600.30
- 99214: Established patient office or other outpatient visit, 30-39 minutes
58 services | $7,228.95
- 80061: Blood test, lipids (cholesterol and triglycerides)
51 services | $656.00
Common Drug-Related Codes
- 90662: Influenza vaccine split virus, preservative free
30 services | $2,157.90
- 90677: Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
20 services | $5,345.87
Full Record
- NPI
- 1811494842
- Entity Type
- Individual
- Last Name
- Zwierzchowski
- First Name
- Benjamin
- Middle Name
- Aaron
- Name Prefix
- Dr.
- Credential
- MD, MS
- Provider Other Last Name
- Zwierzchowski
- Provider Other First Name
- Benjamin
- Provider Other Middle Name
- Aaron
- Provider Other Name Prefix Text
- Mr.
- Provider Other Credential Text
- MD, MS
- Provider Other Last Name Type Code
- 5
- Mailing Street Address
- 425 Essjay Suite 170
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-1243
- Mailing Country
- US
- Mailing Phone
- (716) 630-1219
- Practice Street Address
- 325 Essjay
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-1422
- Practice Country
- US
- Practice Phone
- (716) 656-4459
- Practice Fax
- (716) 250-5923
- Enumeration Date
- April 06, 2018
- Last Updated
- December 20, 2021
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- December 20, 2021
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Internal Medicine Physician (207R00000X)