John Josiah Harrison, D.O.
Emergency Medicine Physician · Duncan, OK
John Josiah Harrison, D.O. is an emergency medicine physician with a practice address in Duncan, Oklahoma, and NPI 1386630499, issued on Sep 23, 2005. Check the license (Oklahoma 3914, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- John Josiah Harrison
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 3914 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1407 N Whisenant Dr, Duncan, OK 73533
- Phone
- (580) 251-8458
- Enumerated
- Sep 23, 2005
- Record last updated
- Jan 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20070301000297); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 1407 N Whisenant Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vera Budlong, RNDiabetes Educator Registered Nurse1952851990
- Terri Collins, COTA/LOccupational Therapy Assistant1215345616
- Terry Crissman, D.PH.Pharmacist1750370292
- Danny Crockett, PTAPhysical Therapy Assistant1174233605
- Taylor Ely, PAPhysician Assistant1568125805
Verify John Josiah Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 3914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average emergency medicine physician in 2024
515 Medicare Part D claims for 204 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Dextroamphetamine-Amphetamine57 claims
- Dextroamphetamine-Amphet Er39 claims
- Amoxicillin-Clavulanate Potass31 claims
- Methylphenidate Hcl29 claims
- Albuterol Sulfate Hfa28 claims
- Prednisone27 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): 81.9 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).
Industry payments in 2024: $34.96
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthcare Express, LLPChoctaw, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Josiah Harrison among 748 emergency medicine physician records in Oklahoma
John Josiah Harrison, D.O. is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2016 among the 438 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Oklahoma
There are 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Duncan → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jay Gregston, M.D.Duncan, OK 735331871581512
- James Petersen, D.O.Duncan, OK 735331992145098
- David Tilles, D.O.Duncan, OK 735331518957414
- Roy Goddard, D.O.Altus, OK 735211437155710
- James McClay, DOAltus, OK 735211164484176
- Jentry McLaughlin, D.O.Altus, OK 735211780110221
- Alisha Miner, DOAltus, OK 735211053761551
- Michael Oliver, DOAltus, OK 735211326181777
Common questions
What is John Josiah Harrison, D.O.'s NPI number?
John Josiah Harrison, D.O.'s National Provider Identifier (NPI) is 1386630499, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Josiah Harrison, D.O. located?
The NPPES record lists a practice address at 1407 N Whisenant Dr, Duncan, OK, 73533. Phone: (580) 251-8458. Providers update this record themselves, so call before visiting.
How can I verify John Josiah Harrison, D.O.'s license?
NPPES lists Oklahoma license number 3914, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Josiah Harrison, D.O. prescribe under Medicare Part D?
In 2024, John Josiah Harrison, D.O. had 515 Medicare Part D claims for 204 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John Josiah Harrison, D.O.'s MIPS final score?
The 2023 MIPS final score is 81.9 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.