Mary Margaret Porter, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

39488 Issued in OK

Practice address

800 Stanton L Young Blvd
Oklahoma City, OK 73104-5018

Phone

(405) 271-2316

NPI assigned

Apr 1, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

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

Internal MedicineAlso: Hospitalist

Education

University of Oklahoma College of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Metro Physicians LLCGroup PAC ID 1153794813, 62 clinicians

Metro Healthcare Services LLCGroup PAC ID 7618400557, 33 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health St Anthony Hospital - Oklahoma City Hospital, Oklahoma City, OK, CCN 370037
• SSM Health St Anthony Hospital - Shawnee Hospital, Shawnee, OK, CCN 370149
• SSM Health St Anthony Hospital - Midwest Hospital, Midwest City, OK, CCN 370094

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.

• Metro Healthcare Services LLC

  • Specialist
  • Oklahoma City, OK
  • NPI 1194558304

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Metro Physicians LLC

  • Hospitalist Physician
  • Oklahoma City, OK
  • NPI 1588374797
  Medicare reassignment Care Compare group NPD
• SSM Health Care of Oklahoma, Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1366545311
  NPD (past)
• St Anthony Shawnee Hospital Inc

  • General Acute Care Hospital
  • Shawnee, OK
  • NPI 1134123193

  Hospitalist

  NPD (past)

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

• SSM Health Care of Oklahoma Inc

  • Community/Retail Pharmacy
  • Oklahoma City, OK
  • NPI 1649602293

  Hospital

  Care Compare affiliation
• SSM Health Care of Oklahoma, Inc

  • Ambulance
  • Midwest City, OK
  • NPI 1023603727

  Hospital

  Care Compare affiliation
• SSM Health Care of Oklahoma, Inc

  • General Acute Care Hospital
  • Midwest City, OK
  • NPI 1700471497
  Care Compare affiliation
• SSM Health Care of Oklahoma, Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1366545311
  Care Compare affiliation
• St Anthony Shawnee Hospital Inc

  • General Acute Care Hospital
  • Shawnee, OK
  • NPI 1134123193
  Care Compare affiliation

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

{
    "created_epoch": "1648771200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753920000000",
    "number": "1194465476",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 STANTON L YOUNG BLVD # 6300",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045018",
            "telephone_number": "405-821-0683"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 STANTON L YOUNG BLVD",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045018",
            "telephone_number": "405-271-2316"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PORTER",
        "first_name": "MARY",
        "middle_name": "MARGARET",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-01",
        "last_updated": "2025-07-31",
        "certification_date": "2025-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "39488",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "OK",
            "license": "39488",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Justin Ross Porter, M.D.
• Katrina Porter
• Kimberly Porter
• Kimberly Kay Porter, M.D.
• Latisha Denise Porter, MS
• Michael Warren Porter, M.D.
• Brittany Nicole Porterfield
• Donna Porterfield
• Emily Marie Porterfield
• Jason P Porterfield, OTR/L

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2025; 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.