Alexis Gasiewicz
NPI 1265183008 · Physician Assistant · Buffalo, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexis Gasiewicz is a Physician Assistant provider in Buffalo, NY (NPI 1265183008).
Provider details
- NPI number
- 1265183008
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
110 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 67 | $96 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 29 | $136 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 14 | $57 |
Typical Medicare-allowed amounts for these services range $57–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 59 | 57 |
| Prednisone | 33 | 32 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 | 25 |
| Methylprednisolone | 24 | 23 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | 16 |
| Doxycycline Hyclate | 16 | 16 |
| Cefpodoxime Proxetil | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-01-13
- Last updated
- 2024-08-14
- Certified
- 2024-08-13
Frequently asked questions
- What is Alexis Gasiewicz's NPI number?
- Alexis Gasiewicz's National Provider Identifier (NPI) is 1265183008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexis Gasiewicz's specialty?
- Alexis Gasiewicz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexis Gasiewicz located?
- Alexis Gasiewicz's practice location on file with NPPES is 1001 Main St Fl 4, Buffalo, NY 14203-1009.
- What is Alexis Gasiewicz's phone number?
- The practice phone number listed in the NPPES registry for Alexis Gasiewicz is (716) 323-0170.
- Does Alexis Gasiewicz accept Medicare?
- Alexis Gasiewicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexis Gasiewicz's NPI active?
- Yes — Alexis Gasiewicz's NPI (1265183008) is active in the NPPES registry as of the last update on 2024-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.