Michael Warren Porter, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

28449 Issued in OK

Practice address

700 NE 13TH St
Oklahoma City, OK 73104-5004

Phone

(405) 764-8066

Fax

(405) 271-1001

NPI assigned

Apr 13, 2011

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in OK

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 1

Specialty

Emergency Medicine

Education

University of Oklahoma College of Medicine, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ou Health Partners IncGroup PAC ID 5991105876, 1,167 clinicians

Norman Regional Hospital AuthorityGroup PAC ID 2769395185, 27 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Norman Regional Hospital, Norman, OK, CCN 370008
• O U Medical Center Hospital, Oklahoma City, OK, CCN 370093

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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

• Norman Regional Hospital Authority

  • Emergency Medicine Physician
  • Norman, OK
  • NPI 1912563727
  Medicare reassignment Care Compare group NPD
• Ou Health Partners, Inc

  • Multi-Specialty Clinic/Center
  • Oklahoma City, OK
  • NPI 1528642642
  Medicare reassignment Care Compare group NPD
• Emergency Physicians of Mid-America, P.C.

  • Emergency Medicine Physician
  • Oklahoma City, OK
  • NPI 1063825297
  Medicare reassignment NPD
• Emergency Services of Oklahoma PC

  • Emergency Medicine Physician
  • Norman, OK
  • NPI 1215249891
  Medicare reassignment NPD
• Green Country Emergency Physicians Group of Tulsa PLLC

  • Emergency Medicine Physician
  • Tulsa, OK
  • NPI 1972698553
  Medicare reassignment NPD
• Oklahoma Emergency Services PC

  • Emergency Medicine Physician
  • Lawton, OK
  • NPI 1114239795
  Medicare reassignment NPD
• Norman Regional Hospital Authority

  • Ambulatory Surgical Clinic/Center
  • Norman, OK
  • NPI 1508419474
  NPD
• Oklahoma Emergency Physician Partners PLLC

  • Emergency Medicine Physician
  • Durant, OK
  • NPI 1891039764
  NPD
• Ou Health Partners, Inc

  • Prosthetic/Orthotic Supplier
  • Oklahoma City, OK
  • NPI 1447834460
  NPD
• Norman Regional Hospital Authority

  • General Acute Care Hospital
  • Norman, OK
  • NPI 1700882578
  NPD (past)
• Ou Medicine Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1649794157
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Norman Regional Hospital Authority

  • General Acute Care Hospital
  • Norman, OK
  • NPI 1700882578
  Care Compare affiliation
• Ou Medicine Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1649794157
  Care Compare affiliation

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

{
    "created_epoch": "1302652800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1821388620",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 NE 13TH ST # 38",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045004",
            "telephone_number": "405-764-8066",
            "fax_number": "405-271-1001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 NE 13TH ST",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045004",
            "telephone_number": "405-764-8066",
            "fax_number": "405-271-1001"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "901 N Porter Ave",
            "address_purpose": "LOCATION",
            "city": "Norman",
            "state": "OK",
            "postal_code": "730716404",
            "country_code": "US",
            "telephone_number": "405-307-1500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PORTER",
        "first_name": "MICHAEL",
        "middle_name": "WARREN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-04-13",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OK",
            "license": "28449",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katrina Porter
• Kimberly Porter
• Kimberly Kay Porter, M.D.
• Latisha Denise Porter, MS
• Mary Margaret Porter, MD
• Brittany Nicole Porterfield
• Donna Porterfield
• Emily Marie Porterfield
• Jason P Porterfield, OTR/L
• Portico Health Group

• 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 24, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.