Active NPI
Gihwan Han, M.D.
- Emergency Medicine Physician
- Dover, DE
National Provider Identifier
1851210793
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- C7-0019471
- Practice address
- 640 South State Street, Dover de
Dover, DE 19901 - Phone
- (302) 744-6999
- NPI assigned
- Jul 14, 2026
- 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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | C7-0019471 | DE | Primary |
Addresses
Primary practice location
640 South State Street, Dover de
Dover, DE 19901
Mailing address
640 South State Street, Dover de 19901 Mailcode:3007
Dover, DE 19901
Phone (302) 744-6999
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1783987200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788480000000",
"number": "1851210793",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "640 SOUTH STATE STREET, DOVER DE 19901 MAILCODE:3007",
"city": "DOVER",
"state": "DE",
"postal_code": "19901",
"telephone_number": "302-744-6999"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "640 SOUTH STATE STREET, DOVER DE",
"city": "DOVER",
"state": "DE",
"postal_code": "19901",
"telephone_number": "302-744-6999"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAN",
"first_name": "GIHWAN",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2026-07-14",
"last_updated": "2026-09-04",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "DE",
"license": "C7-0019471",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Dover, DE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.