Zachary Willis
NPI 1265041073 · Physician Assistant · Potsdam, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Willis is a Physician Assistant provider in Potsdam, NY (NPI 1265041073).
Provider details
- NPI number
- 1265041073
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 025386 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
327 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 High Level of Medical Decision Making99285 | 165 | $151 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 111 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $54 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 23 | $62 |
Typical Medicare-allowed amounts for these services range $54–$151 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 28 | 28 |
| Cephalexin | 24 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 23 |
| Methylprednisolone | 23 | 22 |
| Cyclobenzaprine Hcl | 22 | 22 |
| Ondansetronbrand: Ondansetron Odt | 22 | 22 |
| Azithromycin | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-07-28
- Last updated
- 2020-07-28
- Certified
- 2020-07-28
Frequently asked questions
- What is Zachary Willis's NPI number?
- Zachary Willis's National Provider Identifier (NPI) is 1265041073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Willis's specialty?
- Zachary Willis is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zachary Willis located?
- Zachary Willis's practice location on file with NPPES is 50 Leroy St, Potsdam, NY 13676-1799.
- What is Zachary Willis's phone number?
- The practice phone number listed in the NPPES registry for Zachary Willis is (315) 265-3300.
- Does Zachary Willis accept Medicare?
- Zachary Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Willis's NPI active?
- Yes — Zachary Willis's NPI (1265041073) is active in the NPPES registry as of the last update on 2020-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.