William James Ryan, PA-C
Medical Physician Assistant · Osceola, WI
William James Ryan, PA-C is a medical physician assistant with a practice address in Osceola, Wisconsin, and NPI 1891259743, issued on Jan 24, 2019. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William James Ryan
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 12879 MN
Self-reported in NPPES; status is on the state search - Practice location
- 2600 65TH Ave, Osceola, WI 54020
- Phone
- (715) 294-2111
- Enumerated
- Jan 24, 2019
- Record last updated
- Jan 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200626000382); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 687 in Wisconsin → Look up another NPI →
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Verify William James Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average medical physician assistant in 2024
3,674 Medicare Part D claims for 293 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium222 claims
- Metoprolol Succinate176 claims
- Lisinopril142 claims
- Amlodipine Besylate127 claims
- Ozempic111 claims
- Metformin Hcl Er109 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- Ladd Memorial HospitalOsceola, WI · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
William James Ryan among 687 medical physician assistant records in Wisconsin
William James Ryan, PA-C is one of 687 medical physician assistant records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 68% of them.
- NPI issued2019 · 68% of these records are older, 27% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2016 among the 479 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 medical physician assistant records list a practice address in Osceola
They are 2 of the 109 NPPES records with a practice address in Osceola, and 687 medical physician assistant records in Wisconsin.
All 687 in Wisconsin → Every provider in Osceola → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Nicole Svihel, PA-COsceola, WI 540201255524633
- Nicholas Diflavio, PA-CSaint Croix Falls, WI 540241831933589
- Jonn Dinnies, PA-CSaint Croix Falls, WI 540241467457457
- William NewbertWaupun, WI 539631154465318
- James Parish, PA-CWaupun, WI 539631346384591
- Kelin Zoellner, PA-CReedsburg, WI 539591093928418
- Rachael Johnson, PAFriendship, WI 539341568229490
- Matthew Towns, PA-CFriendship, WI 539341144701541
Common questions
What is William James Ryan, PA-C's NPI number?
William James Ryan, PA-C's National Provider Identifier (NPI) is 1891259743, issued on Jan 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William James Ryan, PA-C located?
The NPPES record lists a practice address at 2600 65TH Ave, Osceola, WI, 54020. Phone: (715) 294-2111. Providers update this record themselves, so call before visiting.
How can I verify William James Ryan, PA-C's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does William James Ryan, PA-C prescribe under Medicare Part D?
In 2024, William James Ryan, PA-C had 3,674 Medicare Part D claims for 293 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.