Gregory Zybczynski, PA
Physician Assistant · Amherst, NY
Gregory Zybczynski, PA is a physician assistant with a practice address in Amherst, New York, and NPI 1861987125, issued on Jun 28, 2018. Check the license (New York 022143, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Zybczynski
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 022143 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4949 Harlem RD, Amherst, NY 14226
- Phone
- (716) 204-3200
- Enumerated
- Jun 28, 2018
- Record last updated
- Jun 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180718002417); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 4949 Harlem RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shirley Anain, M.D.Specialist1891755708
- Kerenza Anderson, PAMedical Physician Assistant1790074011
- Michael BauerPhysical Therapist1194273136
- Allison Binkley, MDPediatric Orthopaedic Surgery Physician1598024044
- Leslie Bisson, M.D.Specialist1073595872
Verify Gregory Zybczynski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 022143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average physician assistant in 2024
116 Medicare Part D claims for 46 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 59 claims were for opioids.
Most prescribed
- Tramadol Hcl26 claims
- Hydrocodone-Acetaminophen17 claims
- Naproxen14 claims
- Meloxicam13 claims
- Oxycodone Hcl12 claims
- Cephalexin11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $94.59
5 payments; by number, the most common kind was food and beverage; the largest payer was Integra LifeSciences Corporation. The 64,719 providers of this specialty with any payment received $841.65 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
- University Orthopaedic Services Inc.Buffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Zybczynski among 15,555 physician assistant records in New York
Gregory Zybczynski, PA is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 51% of them.
- NPI issued2018 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2018 · median 2018 among the 8,158 with a school on file
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
120 physician assistant records list a practice address in Amherst
They are 120 of the 1,741 NPPES records with a practice address in Amherst, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Amherst → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Karen Baetzhold, R.P.A.Amherst, NY 142261235198219
- Michelle Bielinski, PAAmherst, NY 142261548218720
- Shelby Edwards, PA-CAmherst, NY 142261013935386
- Allyson Kirk, RPA-CAmherst, NY 142261407852973
- Sarah Latchford, PAAmherst, NY 142261124036454
- Andrea Laudisio, P.A.Amherst, NY 142261851404917
- Jerome Mastrandrea, RPA-CBuffalo, NY 142261053348912
- Kimberly McGrath, PAAmherst, NY 142261821055153
Common questions
What is Gregory Zybczynski, PA's NPI number?
Gregory Zybczynski, PA's National Provider Identifier (NPI) is 1861987125, issued on Jun 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Zybczynski, PA located?
The NPPES record lists a practice address at 4949 Harlem RD, Amherst, NY, 14226. Phone: (716) 204-3200. Providers update this record themselves, so call before visiting.
How can I verify Gregory Zybczynski, PA's license?
NPPES lists New York license number 022143, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Zybczynski, PA prescribe under Medicare Part D?
In 2024, Gregory Zybczynski, PA had 116 Medicare Part D claims for 46 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Gregory Zybczynski, PA's MIPS final score?
The 2023 MIPS final score is 87.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.