Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Brian Matthew Zimmer, DO

Individual provider Emergency Medicine Physician · NPI 1447589056

Dr. Brian Matthew Zimmer, DO is an Emergency Medicine in Oklahoma City, Oklahoma. Qualified in 2018, 8 years ago. Practices with Hannibal Regional Healthcare System Inc, a 259-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Florida, Missouri, Mississippi and Oklahoma.

Years since qualifying
8
Licensed in
FL, MO, MS, OK
In the registry since
2009
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

4200 S Douglas Ave Ste 306
Oklahoma City, OK 73109-3223
Phone: (405) 481-9515
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6000 Hospital Dr, Hannibal, MO 63401-6887 — (573) 248-5100

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 26432 (MS)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 2024041635 (MO)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 4826 (OK)
Emergency Medicine Physician Taxonomy 207P00000X · Licence OS18890 (FL)

Record details

NPI number1447589056
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedDecember 9, 2009
Last updated in NPPESFebruary 16, 2026
Certification dateFebruary 16, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Hannibal Regional Healthcare System Inc — 259 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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