Jon O. Williams, P.A.-C
Medical Physician Assistant · Rhinelander, WI
Jon O. Williams, P.A.-C is a medical physician assistant with a practice address in Rhinelander, Wisconsin, and NPI 1760545701, issued on Dec 19, 2006. Check the license (Wisconsin 812-023, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jon O. Williams
- Credential
- P.A.-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 812-023 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2251 N Shore Dr, Rhinelander, WI 54501
- Phone
- (715) 361-2000
- Enumerated
- Dec 19, 2006
- Record last updated
- Apr 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (715) 361-4343
- Medicaid ID
- 42949500 WI
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 687 in Wisconsin → Look up another NPI →
Also registered at 2251 N Shore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Abel, MDInternal Medicine Physician1477590487
- Bruce Abrams, MDObstetrics & Gynecology Physician1710927413
- Amanda AertsRegistered Dietitian1922378579
- Dawn Baker, MDDiagnostic Radiology Physician1992889620
- Mark Banas, DOEmergency Medicine Physician1972698827
- Nancy Bauer, APNPFamily Nurse Practitioner1386685634
Verify Jon O. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 812-023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average medical physician assistant in 2024
25 Medicare Part D claims, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Jon O. Williams among 687 medical physician assistant records in Wisconsin
Jon O. Williams, P.A.-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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 72% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2010 · 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).
Medical Physician Assistant providers in Wisconsin
There are 687 medical physician assistant records in Wisconsin.
All 687 in Wisconsin → Every provider in Rhinelander → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Ernestine Wagner, PAStevens Point, WI 544811124072889
- Harry Whidden, P.AEagle River, WI 545211881750537
- Chad Landwehr, P.A.Weston, WI 544761285893370
- John Filz, P.A.Lac Du Flambeau, WI 545381447205794
- Brian Dewitt, PAMinocqua, WI 545481184979676
- Stacy Winter, PACMinocqua, WI 545481104866763
- Gregory Werner, P.A.-CMedford, WI 544511003297581
- Katelyn Frankwick, PAMarshfield, WI 544491255825162
Common questions
What is Jon O. Williams, P.A.-C's NPI number?
Jon O. Williams, P.A.-C's National Provider Identifier (NPI) is 1760545701, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jon O. Williams, P.A.-C located?
The NPPES record lists a practice address at 2251 N Shore Dr, Rhinelander, WI, 54501. Phone: (715) 361-2000. Providers update this record themselves, so call before visiting.
How can I verify Jon O. Williams, P.A.-C's license?
NPPES lists Wisconsin license number 812-023, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Jon O. Williams, P.A.-C prescribe under Medicare Part D?
In 2024, Jon O. Williams, P.A.-C had 25 Medicare Part D claims; 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.