William Ryan, PA-C
NPI 1891259743 · Medical Physician Assistant · Osceola, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ryan, PA-C is a Medical Physician Assistant provider in Osceola, WI (NPI 1891259743).
Provider details
- NPI number
- 1891259743
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 12879 (MN)
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 tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 222 | 68 |
| Metoprolol Succinate | 176 | 54 |
| Lisinopril | 142 | 44 |
| Amlodipine Besylate | 127 | 40 |
| Semaglutidebrand: Ozempic | 111 | 26 |
| Metformin Hclbrand: Metformin Hcl Er | 109 | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-01-24
- Last updated
- 2019-01-24
Frequently asked questions
- What is William Ryan's NPI number?
- William Ryan's National Provider Identifier (NPI) is 1891259743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ryan's specialty?
- William Ryan is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Ryan located?
- William Ryan's practice location on file with NPPES is 2600 65th Ave, Osceola, WI 54020-4370.
- What is William Ryan's phone number?
- The practice phone number listed in the NPPES registry for William Ryan is (715) 294-2111.
- Does William Ryan accept Medicare?
- William Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ryan's NPI active?
- Yes — William Ryan's NPI (1891259743) is active in the NPPES registry as of the last update on 2019-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.