John Wordy Buckner, M.D.
Emergency Medicine Physician · Oxnard, CA
John Wordy Buckner, M.D. is an emergency medicine physician with a practice address in Oxnard, California, and NPI 1215294327, issued on Apr 13, 2012. Check the license (California 157401, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Wordy Buckner
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 157401 CA
2014021729 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1600 N Rose Ave, Oxnard, CA 93030
- Phone
- (805) 988-2500
- Enumerated
- Apr 13, 2012
- Record last updated
- Nov 18, 2022
- Medicaid ID
- 1215294327 MO
- Medicare enrollment
- Enrolled (PECOS I20181011000628); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2012
- Entity
- Type 1 · individual
Also registered at 1600 N Rose Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Aguilar, M.D.Anesthesiology Physician1568484921
- Michelle AmparoRegistered Nurse1386593994
- Melissa Arbar, DOAnesthesiology Physician1063875136
- Sulaiman Barkho, MDInternal Medicine Physician1710417209
Verify John Wordy Buckner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 157401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average emergency medicine physician in 2024
191 Medicare Part D claims for 143 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Ondansetron Odt32 claims
- Hydrocodone-Acetaminophen19 claims
- Cephalexin17 claims
- Oxycodone Hcl13 claims
- Prednisone12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America - CaliforniaCamarillo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
Other emergency medicine physician records in California
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- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is John Wordy Buckner, M.D.'s NPI number?
John Wordy Buckner, M.D.'s National Provider Identifier (NPI) is 1215294327, issued on Apr 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Wordy Buckner, M.D. located?
The NPPES record lists a practice address at 1600 N Rose Ave, Oxnard, CA, 93030. Phone: (805) 988-2500. Providers update this record themselves, so call before visiting.
How can I verify John Wordy Buckner, M.D.'s license?
NPPES lists California license number 157401, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Wordy Buckner, M.D. prescribe under Medicare Part D?
In 2024, John Wordy Buckner, M.D. had 191 Medicare Part D claims for 143 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John Wordy Buckner, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.