Brian Matthew Zimmer, D.O.
Emergency Medicine Physician · Oklahoma City, OK
Brian Matthew Zimmer, D.O. is an emergency medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1447589056, issued on Dec 9, 2009. Check the license (Oklahoma 4826, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Brian Matthew Zimmer
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 4826 OK
26432 MS
OS18890 FL
2024041635 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4200 S Douglas Ave, Oklahoma City, OK 73109
- Phone
- (405) 481-9515
- Enumerated
- Dec 9, 2009
- Record last updated
- Feb 16, 2026
- Medicaid ID
- 200267650A OK
- Medicare enrollment
- Enrolled (PECOS I20161107000379); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 4200 S Douglas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Baker, D.O.Emergency Medicine Physician1922459015
- 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
Verify Brian Matthew Zimmer 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 4826Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average emergency medicine physician in 2024
315 Medicare Part D claims for 196 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 63 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen59 claims
- Cephalexin37 claims
- Prednisone28 claims
- Ondansetron Hcl21 claims
- Albuterol Sulfate Hfa20 claims
- Metronidazole12 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.
Industry payments in 2024: $54.34
3 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
- Hannibal Regional Healthcare System IncHannibal, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Matthew Zimmer among 748 emergency medicine physician records in Oklahoma
Brian Matthew Zimmer, 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 2009, is newer than 40% of them.
- NPI issued2009 · 40% of these records are older, 58% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2018 · 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
- Tinuola AgbabiakaOklahoma City, OK 731091790097459
- Juliana Bizzell, D.O.Oklahoma City, OK 731091437313566
- Carrie Clark, D.OOklahoma City, OK 731091942445804
- Holly Costner, D.O.Oklahoma City, OK 731091912159492
- Colby Edwards, D.O.Oklahoma City, OK 731091114093655
- Tiffany Elliott, D.O.Oklahoma City, OK 731091801026851
- Adam Henson, D.O.Oklahoma City, OK 731091093963498
- Jarrod Mueggenborg, D.O.Oklahoma City, OK 731091629389432
Common questions
What is Brian Matthew Zimmer, D.O.'s NPI number?
Brian Matthew Zimmer, D.O.'s National Provider Identifier (NPI) is 1447589056, issued on Dec 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Brian Matthew Zimmer, D.O. located?
The NPPES record lists a practice address at 4200 S Douglas Ave, Oklahoma City, OK, 73109. Phone: (405) 481-9515. Providers update this record themselves, so call before visiting.
How can I verify Brian Matthew Zimmer, D.O.'s license?
NPPES lists Oklahoma license number 4826, 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 Matthew Zimmer, D.O. prescribe under Medicare Part D?
In 2024, Brian Matthew Zimmer, D.O. had 315 Medicare Part D claims for 196 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.