Active NPI
Allen Gregg South, M.D.
- Gynecology Physician
- Seattle, WA
National Provider Identifier
1295784569
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gynecology Physician
- License
- MD00013266
- Practice address
- 1229 Madison St
Suite 610
Seattle, WA 98104-3586 - Phone
- (206) 709-8600
- Fax
- (206) 215-2690
- NPI assigned
- May 6, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gynecology Physician | 207VG0400X | MD00013266 | WA | Primary |
Addresses
Primary practice location
1229 Madison St
Suite 610
Seattle, WA 98104-3586
Mailing address
1229 Madison St
Suite 610
Seattle, WA 98104-3586
Phone (206) 709-8600
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1826304 | Medicaid | WA | |
| 06038900 | Other | WA | L AND I |
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 |
|---|---|---|---|
| MD00013266 | WA | MD | Gynecology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146873600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1295784569",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1229 MADISON ST",
"address_2": "SUITE 610",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981043586",
"telephone_number": "206-709-8600",
"fax_number": "206-215-2690"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1229 MADISON ST",
"address_2": "SUITE 610",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981043586",
"telephone_number": "206-709-8600",
"fax_number": "206-215-2690"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SOUTH",
"first_name": "ALLEN",
"middle_name": "GREGG",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-06",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207VG0400X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Gynecology",
"state": "WA",
"license": "MD00013266",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1826304",
"state": "WA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "L AND I",
"identifier": "06038900",
"state": "WA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Seattle, WA
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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.