Ragan J. Vaughan, D.O.
Hospitalist Physician · Muskogee, OK
Ragan J. Vaughan, D.O. is a hospitalist physician with a practice address in Muskogee, Oklahoma, and NPI 1801174065, issued on Jul 21, 2011. Check the license (Oklahoma 5282, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Ragan J. Vaughan
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 5282 OK
Self-reported in NPPES; status is on the state search - Practice location
- 300 Rockefeller Dr, Muskogee, OK 74401
- Phone
- (918) 502-1900
- Enumerated
- Jul 21, 2011
- Record last updated
- Feb 18, 2022
- Fax
- (918) 494-6303
- Medicare enrollment
- Enrolled (PECOS I20140805002401); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 2011
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 262 in Oklahoma → Look up another NPI →
Also registered at 300 Rockefeller Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Greg Bachman, MDAnesthesiology Physician1790887180
- Ahmad Barazi, M.D.Hospitalist Physician1699463463
- Zakiya Bell, AGACNP-BCAcute Care Nurse Practitioner1316613151
- Sandra Brennan, PLDRegistered Dietitian1831430180
- James Campbell, DOEmergency Medical Services (Emergency Medicine) Physician1932185212
- Matthew Collier, DOHospitalist Physician1003433582
Verify Ragan J. Vaughan 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 5282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average hospitalist physician in 2024
305 Medicare Part D claims for 98 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Eliquis19 claims
- Tamsulosin Hcl17 claims
- Pantoprazole Sodium15 claims
- Carvedilol13 claims
- Clopidogrel12 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): 79.4 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
- Warren Clinic IncMuskogee, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ragan J. Vaughan among 262 hospitalist physician records in Oklahoma
Ragan J. Vaughan, D.O. is one of 262 hospitalist physician records with a practice address in Oklahoma. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 49% of them.
- NPI issued2011 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2011 · median 2010 among the 210 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 hospitalist physician records list a practice address in Muskogee
They are 21 of the 1,769 NPPES records with a practice address in Muskogee, and 262 hospitalist physician records in Oklahoma.
All 262 in Oklahoma → Every provider in Muskogee → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Stanley Brown, DOMuskogee, OK 744011356841449
- Cordine Glasgow, MDMuskogee, OK 744011225558729
- Deepak Karibassappa, MDMuskogee, OK 744011770776627
- Soumya Kidiyoor, M.DMuskogee, OK 744011407992928
- Dharshan Lakshminarayan, M.D.Muskogee, OK 744011295198620
- Karissa Misner, DOMuskogee, OK 744011063566818
- Matthew Nunley, DOMuskogee, OK 744011114424900
- Monica Ortiz-Pacurucu, MDMuskogee, OK 744011164918637
Common questions
What is Ragan J. Vaughan, D.O.'s NPI number?
Ragan J. Vaughan, D.O.'s National Provider Identifier (NPI) is 1801174065, issued on Jul 21, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ragan J. Vaughan, D.O. located?
The NPPES record lists a practice address at 300 Rockefeller Dr, Muskogee, OK, 74401. Phone: (918) 502-1900. Providers update this record themselves, so call before visiting.
How can I verify Ragan J. Vaughan, D.O.'s license?
NPPES lists Oklahoma license number 5282, 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 Ragan J. Vaughan, D.O. prescribe under Medicare Part D?
In 2024, Ragan J. Vaughan, D.O. had 305 Medicare Part D claims for 98 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Ragan J. Vaughan, D.O.'s MIPS final score?
The 2023 MIPS final score is 79.4 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.