Active NPI
Gregg M Galloway, MD
- Clinical Pathology/Laboratory Medicine Physician
- Sioux City, IA
National Provider Identifier
1982687661
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Pathology/Laboratory Medicine Physician
- License
- 21078
- Practice address
- 801 5TH St
Sioux City, IA 51101-1394 - Phone
- (712) 279-2372
- NPI assigned
- Nov 28, 2005
- Last updated
- Jul 13, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 30270 | Other | IA | WELLMARK BLX |
| 0005658 | Other | SD | WELLMARK BLX DUNES |
| 0302703 | Medicaid | IA | |
| 1302703 | Medicaid | IA |
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
| Organization | Specialty | Status | New 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.
-
dba Siouxland Pathology Associates
- Anatomic Pathology & Clinical Pathology Physician
- Sioux City, IA
- NPI 1396990313
-
- Clinical Medical Laboratory
- Sioux City, IA
- NPI 1629051842
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.