Active NPI
George A Zieg, M.D.
- Pediatric Allergy/Immunology Physician
- Omaha, NE
National Provider Identifier
1780727073
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Allergy/Immunology Physician
- License
- 19140
- Practice address
- 16945 Frances St
Omaha, NE 68130-2312 - Phone
- (402) 397-7400
- Fax
- (402) 397-0115
- NPI assigned
- Feb 15, 2007
- Last updated
- Sep 11, 2025
- 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 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Allergy & Immunology Physician | 207K00000X | 19140 | NE | |
| Allergy & Immunology Physician | 207K00000X | 31486 | CO | |
| Allergy & Immunology Physician | 207K00000X | 27933 | IA | |
| Allergy Physician | 207KA0200X | 19140 | NE | |
| Pediatric Allergy/Immunology Physician | 2080P0201X | 19140 | NE | Primary |
Addresses
Primary practice location
16945 Frances St
Omaha, NE 68130-2312
Mailing address
16945 Frances St
Omaha, NE 68130-2312
Phone (402) 397-7400
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 06259 | Other | NE | NE BCBS |
| 0200029 | Other | NE | NE UNITED HEALTHCARE # |
| 0944538 | Medicaid | IA | |
| 1422 | Other | NE | MIDLANDS CHOICE # |
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 31486 | CO | MD | Allergy & Immunology Physician |
| 27933 | IA | MD | Allergy & Immunology Physician |
| 19140 | NE | MD | Allergy & Immunology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1171497600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1780727073",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "16945 FRANCES ST",
"city": "OMAHA",
"state": "NE",
"postal_code": "681302312",
"telephone_number": "402-397-7400",
"fax_number": "402-397-0115"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16945 FRANCES ST",
"city": "OMAHA",
"state": "NE",
"postal_code": "681302312",
"telephone_number": "402-397-7400",
"fax_number": "402-397-0115"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZIEG",
"first_name": "GEORGE",
"middle_name": "A",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-02-15",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "NE",
"license": "19140",
"primary": false
},
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "CO",
"license": "31486",
"primary": false
},
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "IA",
"license": "27933",
"primary": false
},
{
"code": "207KA0200X",
"taxonomy_group": "",
"desc": "Allergy & Immunology, Allergy",
"state": "NE",
"license": "19140",
"primary": false
},
{
"code": "2080P0201X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Allergy/Immunology",
"state": "NE",
"license": "19140",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NE BCBS",
"identifier": "06259",
"state": "NE"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NE UNITED HEALTHCARE #",
"identifier": "0200029",
"state": "NE"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0944538",
"state": "IA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MIDLANDS CHOICE #",
"identifier": "1422",
"state": "NE"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Omaha, NE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.