Jonathon Fox
Family Medicine Physician · Prosser, WA
Jonathon Fox is a family medicine physician with a practice address in Prosser, Washington, and NPI 1770226813, issued on Apr 17, 2022. Check the license (Washington DO.OP.61688028, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jonathon Fox
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO.OP.61688028 WA
Self-reported in NPPES; status is on the state search - Practice location
- 336 Chardonnay Ave Ste A, Prosser, WA 99350
- Phone
- (509) 786-1576
- Enumerated
- Apr 17, 2022
- Record last updated
- Dec 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20260325001236); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 336 Chardonnay Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bonnie BairOccupational Therapist1619623311
- Danielle Crawford, CPNP-PC, ARNPPediatric Nurse Practitioner1750148540
- Afton Dunham, ARNPFamily Nurse Practitioner1841812500
- Zachary Garland, MSN, ARNP, FNP-CNurse Practitioner1043884547
- Ralph Laraiso, D.O.Physical Medicine & Rehabilitation Physician1699770842
- Emmalee Mason, MS CF-SLPSpeech-Language Pathologist1508502931
Verify Jonathon Fox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license DO.OP.61688028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
311 Medicare Part D claims for 29 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium27 claims
- Metformin Hcl22 claims
- Lisinopril19 claims
- Levothyroxine Sodium16 claims
- Omeprazole14 claims
- Fenofibrate13 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.
Bills Medicare through one group practice
- Prosser Public Hospital District OF Benton CountyProsser, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathon Fox among 5,534 family medicine physician records in Washington
Jonathon Fox is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2009 among the 3,294 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family medicine physician records list a practice address in Prosser
They are 12 of the 190 NPPES records with a practice address in Prosser, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Prosser → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fernando Dietsch, M.D.Prosser, WA 993501962455535
- Asuquo Esuabana, MDProsser, WA 993501710096615
- Albert Fiedler II, MDProsser, WA 993501811996622
- Kiranmayi Korimerla, MDProsser, WA 993501174939805
- Edward LaneProsser, WA 993501013023738
- Katheryn NorrisProsser, WA 993501124089875
- Carolyn OconnorProsser, WA 993501962425322
- Jessica RobertsProsser, WA 993501427516236
Common questions
What is Jonathon Fox's NPI number?
Jonathon Fox's National Provider Identifier (NPI) is 1770226813, issued on Apr 17, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Jonathon Fox located?
The NPPES record lists a practice address at 336 Chardonnay Ave Ste A, Prosser, WA, 99350. Phone: (509) 786-1576. Providers update this record themselves, so call before visiting.
How can I verify Jonathon Fox's license?
NPPES lists Washington license number DO.OP.61688028, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathon Fox prescribe under Medicare Part D?
In 2024, Jonathon Fox had 311 Medicare Part D claims for 29 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.