National Provider Identifier

Gregory Zybczynski, PA

Gregory Zybczynski, PA is listed in the NPPES registry with a primary specialty of Physician Assistant in Amherst, NY and a listed phone number of (716) 204-3200.

NPI 1861987125Amherst, NYPhysician Assistant

Source: public NPPES record, last updated June 28, 2018. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1861987125
Provider Type
Individual
Primary Specialty
Physician Assistant
Enumeration Date
June 28, 2018
Last Updated
June 28, 2018

Practice Location

  • 4949 Harlem RD
  • Amherst, NY 14226-2500

Phone: (716) 204-3200

Mailing Address

  • 4225 Genesee St
  • Cheektowaga, NY 14225-1994

Specialties

  • Physician Assistant (363A00000X)

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Medicare Part B Activity

Reported 1,167 Medicare fee-for-service service lines in 2023.

Peer comparison

Compared to Physician Assistant providers in the Buffalo, NY metro area.

This provider is in the 96th percentile for Medicare service volume.

Among the highest-volume peers.

Performs 648% more Medicare services than the peer median.

Higher than 815 of 847 peers.

Activity Percentile
96.2%
Rank by Services
32 of 847
Total Services
1,167
Est. Allowed Value
$20,338.19
Dataset Year
2023
Drug Code Share
84.3%

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.

Drug-related HCPCS codes make up 84.3% of reported Medicare services, so the claim mix is dominated by administered-drug billing lines.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Physician Assistant 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 9,230 total Medicare services.

Top Clinical Services

Common Drug-Related Codes

Full Record
NPI
1861987125
Entity Type
Individual
Last Name
Zybczynski
First Name
Gregory
Credential
PA
Mailing Street Address
4225 Genesee St
Mailing City
Cheektowaga
Mailing State
NY
Mailing ZIP Code
14225-1994
Mailing Country
US
Mailing Phone
(716) 204-3200
Practice Street Address
4949 Harlem RD
Practice City
Amherst
Practice State
NY
Practice ZIP Code
14226-2500
Practice Country
US
Practice Phone
(716) 204-3200
Enumeration Date
June 28, 2018
Last Updated
June 28, 2018
Sex
Male
Sole Proprietor
No
updated_by_file
npidata_pfile_20050523-20260308.csv
Taxonomies
Physician Assistant (363A00000X)