Graham Warren Mason, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

MD-53165 Issued in IA

Practice address

801 5TH St
Sioux City, IA 51101-1326

Phone

(712) 279-2010

NPI assigned

Jun 7, 2021

Reactivated

Sep 19, 2023

Last updated

Jul 30, 2024By 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Hospitalist

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sioux City Hospitalist Group, LLCGroup PAC ID 3173906088, 16 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Lukes Regional Medical Center Hospital, Sioux City, IA, CCN 160146
• Mercyone Siouxland Medical Center Hospital, Sioux City, IA, CCN 160153

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/14272/brand/70/csg/1/fhir/r4

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.

• Sioux City Hospitalist Group, LLC

  • Hospitalist Physician
  • Sioux City, IA
  • NPI 1427789148
  Medicare reassignment Care Compare group NPD
• Marian Health Center-SMHC

  dba MercyOne Siouxland Medical Center

  • General Acute Care Hospital
  • Sioux City, IA
  • NPI 1538199617
  NPD (past)
• Northwest Iowa Hospital Corporation

  dba St Lukes Regional Medical Center

  • General Acute Care Hospital
  • Sioux City, IA
  • NPI 1962594622
  NPD (past)

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

• Northwest Iowa Hospital Corporation

  dba St Lukes Regional Medical Center

  • General Acute Care Hospital
  • Sioux City, IA
  • NPI 1962594622
  Care Compare affiliation

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

{
    "created_epoch": "1623024000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1722297600000",
    "number": "1952978116",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "705 DOUGLAS ST # 321",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511011048",
            "telephone_number": "917-294-5225"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 5TH ST",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511011326",
            "telephone_number": "712-279-2010"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON",
        "first_name": "GRAHAM",
        "middle_name": "WARREN",
        "name_prefix": "Mr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-06-07",
        "last_updated": "2024-07-30",
        "certification_date": "2024-07-30",
        "deactivation_date": "2023-04-03",
        "reactivation_date": "2023-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IA",
            "license": "MD-53165",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marian Home Healthcare (Mercy Home Care-Sioux City)
• Frank S Marino, DO
• Samantha Lynn Martin
• Sheila L Martin, LISW
• Danna Nallely Martinez, RN, BSN
• Victoria Mason, LMFT
• Rebecca Suzanne Mathine, DPT
• Tammi Annette Matt
• Rebecca Mattas
• Matthew Anderson MD PC (d/b/a Tri-State Orthopaedic Hand Center)

• Hospitalist Physician in Sioux City, IA
• Providers in Sioux City, IA by specialty
• Hospitalist Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2024; 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.