Riaz Mahmood, DO

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

18600 Issued in SD

Practice address

1301 W 18TH St
Sioux Falls, SD 57105-0401

Phone

(605) 312-2200

Fax

(605) 312-2222

NPI assigned

Mar 25, 2019

Last updated

Aug 7, 2026By the provider in NPPES

Sex

Male

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 GA

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

Hospitalist

Education

Campbell Univ School of Osteopathic Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

24 On Physicians PCGroup PAC ID 5698688141, 274 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Atrium Health Floyd Medical Center Hospital, Rome, GA, CCN 110054
• Floyd Medical Center Inpatient rehabilitation facility, Rome, GA, CCN 11T054

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rmahmood3034347@carolinashealthcaresystem.direct-ci.com

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.

• 24 On Physicians, PC

  • Hospitalist Physician
  • Rome, GA
  • NPI 1912956251
  Medicare reassignment Care Compare group NPD
• 24 On Physicians, P.C.

  • Hospitalist Physician
  • Attleboro, MA
  • NPI 1790104511
  NPD

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

• Floyd Healthcare Management Inc

  dba Atrium Health Floyd Medical Center

  • General Acute Care Hospital
  • Rome, GA
  • NPI 1154377166
  Care Compare affiliation
• Floyd Healthcare Management Inc

  dba Atrium Health Floyd Medical Center Rehabilitation

  • Rehabilitation Hospital Unit
  • Rome, GA
  • NPI 1801990213

  Inpatient rehabilitation facility

  Care Compare affiliation

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

{
    "created_epoch": "1553472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1184184061",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074",
            "telephone_number": "605-328-6585",
            "fax_number": "605-328-6512"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1301 W 18TH ST",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571050401",
            "telephone_number": "605-312-2200",
            "fax_number": "605-312-2222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "743 Spring St NE Rear 710",
            "address_purpose": "LOCATION",
            "city": "Gainesville",
            "state": "GA",
            "postal_code": "305013899",
            "country_code": "US",
            "telephone_number": "770-219-8730",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAHMOOD",
        "first_name": "RIAZ",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-25",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "96111",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "SD",
            "license": "18600",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sean P Magee, PT
• Gregory Magnuson, MD
• Sadie Jane Magnusson, RRT
• Matthew Mahal, CNP, RN
• Karen L Mahan, SLPD. CCC-SLP
• Chengetai Mahomva
• Andrew Mahoney
• Tarek H Mahrous, MD
• Sarah Maikon, MS, RD
• Lucas Paul Mailander, MD

• Cardiovascular Disease Physician in Sioux Falls, SD
• Providers in Sioux Falls, SD by specialty
• Cardiovascular Disease Physician in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.