NPPES file of Aug 9, 2026

Daelor C. Osen, DO

Emergency Medicine Physician · Tulsa, OK

Daelor C. Osen, DO is an emergency medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1528644218, issued on Mar 22, 2021. Check the license (Oklahoma 7728, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528644218
Name
Daelor C. Osen
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
7728 OK
Self-reported in NPPES; status is on the state search
Practice location
744 W 9TH St, Tulsa, OK 74127
Phone
(918) 599-1000
Enumerated
Mar 22, 2021
Record last updated
Aug 19, 2025
Medicare enrollment
Enrolled (PECOS I20221017002961); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 744 W 9TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bobby Abernathy, D.O.Emergency Medicine Physician1114289659
  2. Sheeba AgaStudent in an Organized Health Care Education/Training Program1386211373
  3. Christina Albrecht, LCSWClinical Social Worker1629490099
  4. David Alcorn, DOInternal Medicine Physician1063952562
  5. Katherine Andrews, DOStudent in an Organized Health Care Education/Training Program1952104127
  6. Kenneth Argo, D.O.Emergency Medicine Physician1477965689

Verify Daelor C. Osen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 7728
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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34% fewer Medicare Part D claims than the average emergency medicine physician in 2024

149 Medicare Part D claims for 106 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Daelor Osen149
  2. Specialty average226

Most prescribed

  1. Prednisone29 claims
  2. Doxycycline Hyclate17 claims
  3. Ondansetron Odt16 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): 85.8 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.

  1. Qualityout of 100 · 30% of the final score90.7
  2. Costout of 100 · 30%52.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Creek Nation Hospital And ClinicsOkmulgee, OK
  2. Green Country Emergency Physicians Group OF Tulsa, PLLCCushing, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Daelor C. Osen among 748 emergency medicine physician records in Oklahoma

Daelor C. Osen, DO 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 2021, is newer than 83% of them.

  • NPI issued2021 · 83% of these records are older, 9% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2021 · median 2016 among the 438 with a school on file
  • Record last updated2025 · 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).

264 emergency medicine physician records list a practice address in Tulsa

They are 264 of the 18,643 NPPES records with a practice address in Tulsa, and 748 emergency medicine physician records in Oklahoma.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Bobby Abernathy, D.O.Tulsa, OK 741271114289659
  2. Yakiji Bailey, D.O.Tulsa, OK 741271275829830
  3. Dennis Blankenship, DOTulsa, OK 741271568440261
  4. Brandon Bloxham, D.O.Tulsa, OK 741271932330263
  5. Tyson Bryant, D.O.Tulsa, OK 741271336401918
  6. Michael Cannon, DOTulsa, OK 741271124080106
  7. Linden Cowley, D.O.Tulsa, OK 741271851610414
  8. Julie Curry, D.O.Tulsa, OK 741271194916239

Common questions

What is Daelor C. Osen, DO's NPI number?

Daelor C. Osen, DO's National Provider Identifier (NPI) is 1528644218, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Daelor C. Osen, DO located?

The NPPES record lists a practice address at 744 W 9TH St, Tulsa, OK, 74127. Phone: (918) 599-1000. Providers update this record themselves, so call before visiting.

How can I verify Daelor C. Osen, DO's license?

NPPES lists Oklahoma license number 7728, 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 Daelor C. Osen, DO prescribe under Medicare Part D?

In 2024, Daelor C. Osen, DO had 149 Medicare Part D claims for 106 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Daelor C. Osen, DO's MIPS final score?

The 2023 MIPS final score is 85.8 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.