Gregory John Zybczynski, PA
- Medicare services, 2024
- 85
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 116
- MIPS score, 2024
- 89
- Industry payments
- $50
- Practice address
- 4949 Harlem Rd, Buffalo, NY 14226
- Practice phone
- Call (716) 829-3670
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Orthopaedic Services Inc.
Buffalo, New York
Find Gregory Zybczynski's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gregory John Zybczynski is a physician assistant in Buffalo, New York
Gregory Zybczynski practices at University Orthopaedic Services Inc. in Buffalo, New York.
Gregory Zybczynski's NPI, 1861987125, was assigned on June 28, 2018. Gregory Zybczynski holds New York license 022143.
- NPI
- 1861987125NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456608702
- NPI enumeration date
- June 28, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 829-3670
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory John Zybczynski practices at University Orthopaedic Services Inc. in Buffalo, New York
Gregory Zybczynski's primary practice is University Orthopaedic Services Inc., at 4949 Harlem Rd, Buffalo, NY 14226 in Erie County. The practice phone is (716) 829-3670.
- University Orthopaedic Services Inc.4949 Harlem Rd, Buffalo, NY 14226 · Erie CountyPhone(716) 829-3670
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory John Zybczynski is affiliated with 2 sites of care and 1 medical group
Gregory Zybczynski's primary practice is University Orthopaedic Services Inc. in Buffalo, New York. The medical group on file is UBMD Orthopaedics & Sports Medicine. Dmand AI also links Gregory Zybczynski to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gregory John Zybczynski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Zybczynski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Orthopaedic Services Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory John Zybczynski is one of 11,456 physician assistants in New York
Physician assistant is Gregory Zybczynski's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gregory Zybczynski is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Clinical focus
Dmand AI lists arthritis, bursitis, joint pain, knee injury, minor injury to a limb, muscle pain, fibromyalgia, and limb pain and traumatic arthropathy among the conditions Gregory Zybczynski treats.
Physician assistants near Gregory Zybczynski
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gregory John Zybczynski billed Medicare for 85 services in 2024
CMS data shows 85 Medicare services from Gregory Zybczynski across 5 procedure codes in 2024, for 69 Medicare patients. Medicare paid $2,865 for them. Every service was in an office.
Gregory Zybczynski's Medicare services by type, 2024
- Office and hospital visits39
- Imaging34
- Surgery12
Gregory Zybczynski compared with the New York median for physician assistants, 2024
- Gregory Zybczynski
- New York median
- Medicare services
- 85vs 17652% below
- Medicare patients
- 69vs 7812% below
- Part D claims
- 93vs 24562% below
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Gregory Zybczynski's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory John Zybczynski treated 69 Medicare patients in 2024, average age 70
CMS counts 69 Medicare patients who saw Gregory Zybczynski in 2024. The largest group is 75 to 84, with 26 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Zybczynski's median patient age at 66, with 59% women.
Gregory Zybczynski's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Zybczynski's Medicare patients by sex, 2024
- Women3957%
- Men3043%
Chronic conditions among Gregory Zybczynski's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis68%
- Anxiety38%
- Mood disorders36%
- Ischemic heart disease35%
- Depression33%
- Chronic kidney disease32%
Share of Medicare patients with each condition. A patient can have several.
Gregory Zybczynski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory John Zybczynski wrote 116 Medicare Part D claims in 2024
In 2024, Gregory Zybczynski wrote 116 Medicare Part D claims for 46 patients. 100% of them were for generic drugs. CMS names the drug for 93 of them, across 6 drugs with 11 or more claims each, at $1,928 in total drug cost.
Gregory Zybczynski's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Gregory Zybczynski's Part D claims, 2024
- Opioids51%59 of 116 claims
- Antibiotics15%17 of 116 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gregory John Zybczynski scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Gregory Zybczynski for performance year 2024, reported as part of a group. Gregory Zybczynski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gregory Zybczynski's MIPS scores, performance year 2024
- 89of 100Final score
- 77.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Gregory John Zybczynski received $50 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gregory Zybczynski from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bioventus LLC paid the most, $33.
Companies that paid Gregory Zybczynski the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gregory John Zybczynski's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gregory John Zybczynski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory John Zybczynski's NPI number?
Gregory John Zybczynski's NPI number is 1861987125. It was assigned on June 28, 2018, and it is active in the NPI Registry.
What does Gregory John Zybczynski specialize in?
Gregory John Zybczynski is a physician assistant in Buffalo, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gregory John Zybczynski practice?
Gregory Zybczynski practices at 4949 Harlem Rd, Buffalo, NY 14226. Gregory Zybczynski's primary practice is University Orthopaedic Services Inc. in Buffalo, New York. Dmand AI also links Gregory Zybczynski to 1 group practice or clinic.
What is Gregory John Zybczynski's office phone number?
The practice phone on file for Gregory Zybczynski is (716) 829-3670.
What is Gregory John Zybczynski's medical license number?
Gregory Zybczynski holds New York license 022143.
What medical group is Gregory John Zybczynski part of?
Gregory Zybczynski is linked to UBMD Orthopaedics & Sports Medicine.
Does Gregory John Zybczynski accept Medicare?
Yes. CMS data shows Gregory Zybczynski billed Medicare for 85 services in 2024, and Gregory Zybczynski accepts Medicare assignment.
What is Gregory John Zybczynski's MIPS score?
Gregory Zybczynski's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Gregory John Zybczynski see?
CMS counts 69 Medicare patients who saw Gregory Zybczynski in 2024, with an average age of 70.
What services does Gregory John Zybczynski bill to Medicare?
In 2024, Gregory Zybczynski's most billed Medicare services were office visit, established patient (99213), diagnostic imaging (73502) and diagnostic imaging (73564).
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What drugs does Gregory John Zybczynski prescribe most?
In 2024 Medicare Part D data, Gregory Zybczynski's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Naproxen.
Has Gregory John Zybczynski received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Gregory Zybczynski from 2 companies from 2025 to 2025. The largest total came from Bioventus LLC.
How long has Gregory John Zybczynski been practicing?
Gregory Zybczynski graduated from medical school in 2018, 8 years ago.
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