Michael Warren Porter, M.D.
Emergency Medicine Physician · Oklahoma City, OK
Michael Warren Porter, M.D. is an emergency medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1821388620, issued on Apr 13, 2011. Check the license (Oklahoma 28449, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Michael Warren Porter
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 28449 OK
Self-reported in NPPES; status is on the state search - Practice location
- 700 NE 13TH St, Oklahoma City, OK 73104
- Phone
- (405) 764-8066
- Enumerated
- Apr 13, 2011
- Record last updated
- Feb 24, 2026
- Fax
- (405) 271-1001
- Medicare enrollment
- Enrolled (PECOS I20130619000580); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 700 NE 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jordan Abbott, RNCertified Registered Nurse Anesthetist1750777348
- Abdelrahman AbdallaInternal Medicine Physician1104569227
- Eleanor AbreoStudent in an Organized Health Care Education/Training Program1366007494
- Lamia Abughazaleh, MDNephrology Physician1477158533
- Ahmad Adam, MDInternal Medicine Physician1750840732
- Jesse Adams, PHARM. D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1306446885
Verify Michael Warren Porter 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 28449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average emergency medicine physician in 2024
130 Medicare Part D claims for 89 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 11 claims were for opioids.
Most prescribed
- 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.
Bills Medicare through 2 group practices
- Norman Regional Hospital AuthorityNorman, OK
- OU Health Partners IncOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Warren Porter among 748 emergency medicine physician records in Oklahoma
Michael Warren Porter, M.D. 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 2011, is newer than 45% of them.
- NPI issued2011 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2016 among the 438 with a school on file
- Record last updated2026 · 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 Oklahoma City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Azeemuddin Ahmed, MDOklahoma City, OK 731041609850148
- Kavon Azadi, M.D.Oklahoma City, OK 731041285827295
- Carol Azadi, D.O.Oklahoma City, OK 731041699080473
- Jack Bair, MDOklahoma City, OK 731041134100290
- Lauren Evans, M.D.Oklahoma City, OK 731041790147221
- Helen Harris, D.O.Oklahoma City, OK 731041760833701
- Francis Idada, M.DOklahoma City, OK 731041124425129
- Sean McCready, D.O.Oklahoma City, OK 731041982999447
Common questions
What is Michael Warren Porter, M.D.'s NPI number?
Michael Warren Porter, M.D.'s National Provider Identifier (NPI) is 1821388620, issued on Apr 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Michael Warren Porter, M.D. located?
The NPPES record lists a practice address at 700 NE 13TH St, Oklahoma City, OK, 73104. Phone: (405) 764-8066. Providers update this record themselves, so call before visiting.
How can I verify Michael Warren Porter, M.D.'s license?
NPPES lists Oklahoma license number 28449, 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 Michael Warren Porter, M.D. prescribe under Medicare Part D?
In 2024, Michael Warren Porter, M.D. had 130 Medicare Part D claims for 89 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.