Individual provider Active NPI

Gregg M Galloway, MD

  • Clinical Pathology/Laboratory Medicine Physician
  • Sioux City, IA
National Provider Identifier
1982687661
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Pathology/Laboratory Medicine PhysicianTaxonomy code 207ZP0105X
License
21078 Issued in IA
Practice address
801 5TH St
Sioux City, IA 51101-1394
Phone
(712) 279-2372
NPI assigned
Nov 28, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X 21078 IA Primary
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X 3905 SD

Addresses

Primary practice location

801 5TH St
Sioux City, IA 51101-1394

Mailing address

PO Box 1463
Sioux City, IA 51102-1463
Phone (712) 279-2372

Other identifiers 4

IdentifierTypeStateIssuer
30270OtherIAWELLMARK BLX
0005658OtherSDWELLMARK BLX DUNES
0302703MedicaidIA
1302703MedicaidIA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Siouxland Pathology Group SMHC Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1133136000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1982687661",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1463",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511021463",
            "telephone_number": "712-279-2372",
            "fax_number": "712-279-5631"
        },
        {
            "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": "511011394",
            "telephone_number": "712-279-2372"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GALLOWAY",
        "first_name": "GREGG",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "IA",
            "license": "21078",
            "primary": true
        },
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "SD",
            "license": "3905",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK BLX",
            "identifier": "30270",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK BLX DUNES",
            "identifier": "0005658",
            "state": "SD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0302703",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1302703",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux City, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.