Active NPI
Gregory Chenhu Hsu, M.D
- Cardiovascular Disease Physician
- Honolulu, HI
National Provider Identifier
1053871632
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- MD-22665
- Practice address
- 888 S King St
Honolulu, HI 96813-3009 - Phone
- (808) 522-4222
- NPI assigned
- Mar 21, 2019
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | MD-22665 | HI | Primary |
Addresses
Primary practice location
888 S King St
Honolulu, HI 96813-3009
Mailing address
888 S King St
Honolulu, HI 96813-3009
Phone (808) 522-4222
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 |
|---|---|---|---|
| MD-22665 | HI | MD | Hospitalist Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1553126400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784332800000",
"number": "1053871632",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "888 S KING ST",
"city": "HONOLULU",
"state": "HI",
"postal_code": "968133009",
"telephone_number": "808-522-4222"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "888 S KING ST",
"city": "HONOLULU",
"state": "HI",
"postal_code": "968133009",
"telephone_number": "808-522-4222"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HSU",
"first_name": "GREGORY",
"middle_name": "CHENHU",
"name_prefix": "Dr.",
"credential": "M.D",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2019-03-21",
"last_updated": "2026-07-18",
"certification_date": "2026-07-18",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "HI",
"license": "MD-22665",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Honolulu, HI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 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.