Brian Matthew Zimmer, D.O.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

26432 Issued in MS

Practice address

4200 S Douglas Ave
Suite 306
Oklahoma City, OK 73109-3223

Phone

(405) 481-9515

NPI assigned

Dec 9, 2009

Last updated

Feb 16, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in OK, TX, MO, LA, MS, FL6 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 6

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.fhirpoint.open.allscripts.com/fhirroute/open/10040602

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Emergency Services of Oklahoma PC

  • Emergency Medicine Physician
  • Norman, OK
  • NPI 1215249891
  Medicare reassignment NPD
• Mercy Clinic Oklahoma Communities

  • Family Medicine Physician
  • Oklahoma City, OK
  • NPI 1386874550
  Medicare reassignment NPD
• Acs Primary Care Physicians Southwest, PA

  • Emergency Medicine Physician
  • Gainesville, TX
  • NPI 1538101019
  Medicare reassignment NPD
• Emergency Services of Texas PA

  • Emergency Medicine Physician
  • Orange, TX
  • NPI 1174932131
  Medicare reassignment NPD
• Hannibal Regional Healthcare System Inc

  • Multi-Specialty Clinic/Center
  • Hannibal, MO
  • NPI 1003956095
  Medicare reassignment NPD
• Keystone Medical Services of Ms, Inc

  • Emergency Medicine Physician
  • Hazlehurst, MS
  • NPI 1174691059
  Medicare reassignment NPD
• Lake Wales Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Lake Wales, FL
  • NPI 1033480405
  Medicare reassignment NPD
• Longhorn Emergency Medical Associates PA

  • Emergency Medicine Physician
  • Austin, TX
  • NPI 1649669672
  Medicare reassignment NPD
• Mercy Hospital Aurora

  • Critical Access Hospital
  • Aurora, MO
  • NPI 1467543090
  Medicare reassignment NPD
• Relias Emergency Medicine Specialists of Hattiesburg LLC

  • Emergency Medicine Physician
  • Hattiesburg, MS
  • NPI 1609409440
  Medicare reassignment NPD
• RH Emergency Medicine of Highland Community LLC

  • Emergency Medicine Physician
  • Picayune, MS
  • NPI 1033987946
  Medicare reassignment NPD
• Ridgewood Emergency Group, LLC

  • Emergency Medicine Physician
  • Davenport, FL
  • NPI 1750862694
  Medicare reassignment NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1260316800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1447589056",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4200 S DOUGLAS AVE",
            "address_2": "SUITE 306",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731093223",
            "telephone_number": "405-481-9515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4200 S DOUGLAS AVE",
            "address_2": "SUITE 306",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731093223",
            "telephone_number": "405-481-9515"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6000 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Hannibal",
            "state": "MO",
            "postal_code": "634016887",
            "country_code": "US",
            "telephone_number": "573-248-5100",
            "fax_number": "573-248-5112",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZIMMER",
        "first_name": "BRIAN",
        "middle_name": "MATTHEW",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-12-09",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MS",
            "license": "26432",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MO",
            "license": "2024041635",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OK",
            "license": "4826",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "FL",
            "license": "OS18890",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200267650A",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Fayha Faisal Zia
• Hassaan A Zia, MD
• Scott Carl Zickefoose
• Chelsie Lynn Ziegler
• Lena Zielinski
• Sarah Elizabeth Zimmer
• Sarah Zimmerman
• David Zinn, D.O.
• McKenna Zinn, LCSW
• Taylor Zirger

• Emergency Medicine Physician in Oklahoma City, OK
• Providers in Oklahoma City, OK by specialty
• Emergency Medicine Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.