Brian Baker, D.O.
Emergency Medicine Physician · Oklahoma City, OK
Brian Baker, D.O. is an emergency medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1922459015, issued on Jun 29, 2016. Check the license (Oklahoma 0173R, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Brian Baker
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 0173R OK
Self-reported in NPPES; status is on the state search - Practice location
- 4200 S Douglas Ave, Oklahoma City, OK 73109
- Phone
- (405) 636-7195
- Enumerated
- Jun 29, 2016
- Entity
- Type 1 · individual
Also registered at 4200 S Douglas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Barcenas, DOEmergency Medicine Physician1134701089
- William Barnes, MDSpecialist1528061744
- Holly Costner, D.O.Emergency Medicine Physician1912159492
- Tiffany Elliott, D.O.Emergency Medicine Physician1801026851
- Myles Fisher, D.O.Emergency Medicine Physician1407208333
- Levi Garrison, D.O.Emergency Medicine Physician1447601521
Verify Brian Baker 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 0173RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
44% more Medicare Part D claims than the average emergency medicine physician in 2024
512 Medicare Part D claims for 289 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 59 claims were for opioids.
Most prescribed
- Ondansetron Odt81 claims
- Cephalexin57 claims
- Hydrocodone-Acetaminophen54 claims
- Doxycycline Hyclate38 claims
- Prednisone31 claims
- Albuterol Sulfate Hfa27 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.
One hospital or facility affiliation
- South Central Emergency Services, PCMiami, OK
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Emergency Medicine Physician providers in Oklahoma
There are 703 emergency medicine physician records in Oklahoma.
Other emergency medicine physician records in Oklahoma
- David Abercrombie, MDOklahoma City, OK1023135506
- Bobby Abernathy, D.O.Tulsa, OK1114289659
- Tyler Adams, D.O.Lawton, OK1538542170
- Tolulope Adepoju, MDNorman, OK1891425054
- Tinuola AgbabiakaOklahoma City, OK1790097459
- Kelechi Agu, MDTulsa, OK1831686526
- Azeemuddin Ahmed, MDOklahoma City, OK1609850148
- Noor Ahmed, DOTulsa, OK1679102446
- Sarfraz AhmedEdmond, OK1811374770
- David AlexanderOklahoma City, OK1003418559
Common questions
What is Brian Baker, D.O.'s NPI number?
Brian Baker, D.O.'s National Provider Identifier (NPI) is 1922459015, issued on Jun 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brian Baker, D.O. located?
The NPPES record lists a practice address at 4200 S Douglas Ave, Oklahoma City, OK, 73109. Phone: (405) 636-7195. Providers update this record themselves, so call before visiting.
How can I verify Brian Baker, D.O.'s license?
NPPES lists Oklahoma license number 0173R, 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 Brian Baker, D.O. prescribe under Medicare Part D?
In 2024, Brian Baker, D.O. had 512 Medicare Part D claims for 289 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.