DR. BRIAN MATTHEW ZIMMER D.O.
NPI 1447589056
Emergency Medicine in Oklahoma City, OK

Active since December 09, 2009PECOS EnrolledAccepts Medicare Assignment
4200 S DOUGLAS AVE, SUITE 306, OKLAHOMA CITY, OK 73109(405) 481-9515 Get Directions Write a Review

NPPES record last updated: February 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 5, 2024, Jul 27, 2022, Jan 20, 2022 (3 updates tracked since 2022).

About Dr. Brian Matthew Zimmer D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BRIAN MATTHEW ZIMMER D.O. (NPI 1447589056) is an individual emergency medicine provider in Oklahoma City, Oklahoma, licensed in Mississippi (26432) and active in the NPI registry since December 2009. He is enrolled in Medicare PECOS, is affiliated with Hannibal Regional Hospital, and maintains a secondary practice location in Hannibal.

NPPES Registry Identity

NPI1447589056
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. BRIAN MATTHEW ZIMMERCredential: D.O.
Location Address4200 S DOUGLAS AVE, SUITE 306Oklahoma City, OK 73109-3223
Mailing Address4200 S Douglas Ave, Suite 306Oklahoma City, OK 73109-3223 · (405) 481-9515
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateDecember 9, 2009
Last NPPES UpdateFebruary 16, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 16, 2026
NPI 1447589056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in MS · 26432 Licensed in MO · 2024041635 Licensed in OK · 4826 Licensed in FL · OS18890
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
4200 S DOUGLAS AVE, Oklahoma City, OK 73109

Secondary Practice Location 1

Location 16000 Hospital DrHannibal, MO 63401-6887 · Phone (573) 248-5100 · Fax (573) 248-5112

Other Identifiers 1

Medicaid200267650AOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Brian Matthew Zimmer D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799978904
PECOS Enrollment IDI20161107000379
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
176 services157 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
121 services115 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
47 services46 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
35 services35 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hannibal Regional Hospital

Acute Care Hospitals · Hannibal, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260025
Location6000 Hospital DrHannibal, MO 63401 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$107.10 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$35.00 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
4200 S DOUGLAS AVE, SUITE 306
OKLAHOMA CITY, OK 73109
Emergency Medicine
4200 S DOUGLAS AVE, SUITE 306
OKLAHOMA CITY, OK 73109
Internal Medicine (Pulmonary Disease)
4200 S DOUGLAS AVE, SUITE 313
OKLAHOMA CITY, OK 73109
Emergency Medicine
4200 S DOUGLAS AVE
OKLAHOMA CITY, OK 73109
Emergency Medicine
4200 S DOUGLAS AVE, SUITE 306
OKLAHOMA CITY, OK 73109
Clinic/Center (Medical Specialty)
4200 S DOUGLAS AVE, SUITE 200
OKLAHOMA CITY, OK 73109
Emergency Medicine
4200 S DOUGLAS AVE, SUITE 306
OKLAHOMA CITY, OK 73109
Emergency Medicine
4200 S DOUGLAS AVE, SUITE 306
OKLAHOMA CITY, OK 73109

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Zimmer's NPI number?

The NPI number for Brian Zimmer is 1447589056. It was assigned to this individual provider in the NPPES registry on December 9, 2009.

Where is Brian Zimmer located?

Brian Zimmer practices at 4200 S Douglas Ave Suite 306, Oklahoma City, OK 73109. The listed phone number is (405) 481-9515.

What is Brian Zimmer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Brian Zimmer enrolled in Medicare?

Yes. Brian Zimmer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Brian Zimmer accept?

Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Brian Zimmer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brian Zimmer affiliated with any hospitals?

According to CMS data, Brian Zimmer is affiliated with Hannibal Regional Hospital.

When was this NPI record last updated?

The NPPES record for Brian Zimmer was last updated on February 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.