Quick answers
- Does Gabriela K. Zirna accept Medicare assignment?
- Yes. Medicare's clinician data says Gabriela K. Zirna accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gabriela K. Zirna see?
- In 2024, CMS data shows 79 Original Medicare patients and 2,256 services for Gabriela K. Zirna. This counts Original Medicare only and measures volume, not quality.
- What is Gabriela K. Zirna's NPI number?
- 1447800156. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gabriela K. Zirna, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 79 |
|---|---|
| Services billed to Medicare | 2,256 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)1,536 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)59 services
- Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)52 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)37 services
- X-ray of knee, 4 or more views (73564)19 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Arthritis75%
- High blood pressure70%
- Diabetes25%
- Anxiety25%
- Depression24%
Practice locations
Addresses where Gabriela K. Zirna is enrolled with Medicare (CMS data updated October 2, 2026).
- 160 Farber HallBuffalo, NY 14214 (716) 829‑2070
- 5959 Big Tree RdOrchard Park, NY 14127 (716) 204‑3200
Group practices
Medicare enrollment lists Gabriela K. Zirna as a member of this group (CMS data updated October 2, 2026).
- University Orthopaedic Services Inc.115 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Buffalo
Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.
Other clinicians in University Orthopaedic Services Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447800156 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians