Active NPI
Hai Hong Huang Huang
- Registered Dietitian
- Antioch, CA
National Provider Identifier
1033075445
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 86420931
- Practice address
- 5601 Deer Valley Rd
Antioch, CA 94531-8577 - Phone
- (925) 813-6500
- NPI assigned
- Dec 30, 2025
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | 86420931 | CA | Primary |
Addresses
Primary practice location
5601 Deer Valley Rd
Antioch, CA 94531-8577
Mailing address
222 Plymouth Ave
San Francisco, CA 94112-3043
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)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 86420931 | CA | MD | Registered Dietitian |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1767052800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767139200000",
"number": "1033075445",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "222 PLYMOUTH AVE",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941123043"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5601 DEER VALLEY RD",
"city": "ANTIOCH",
"state": "CA",
"postal_code": "945318577",
"telephone_number": "925-813-6500"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HUANG HUANG",
"first_name": "HAI HONG",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-12-30",
"last_updated": "2025-12-31",
"certification_date": "2025-12-31",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "CA",
"license": "86420931",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Antioch, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 31, 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.