Active NPI
Daniel Gunjoo Lee
- Critical Care Medicine (Internal Medicine) Physician
- Fairfield, CA
National Provider Identifier
1366076580
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- 20A22164
- Practice address
- 101 Bodin Cir
Fairfield, CA 94535-1809 - Phone
- (707) 423-3000
- NPI assigned
- Feb 26, 2020
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 20A22164 | CA | Primary |
| Pulmonary Disease Physician | 207RP1001X | 20A22164 | CA |
Addresses
Primary practice location
101 Bodin Cir
Fairfield, CA 94535-1809
Mailing address
101 Bodin Cir
Travis Afb, CA 94535-1809
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20A22164 | CA | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1582675200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785369600000",
"number": "1366076580",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "101 BODIN CIR",
"city": "TRAVIS AFB",
"state": "CA",
"postal_code": "945351809"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "101 BODIN CIR",
"city": "FAIRFIELD",
"state": "CA",
"postal_code": "945351809",
"telephone_number": "707-423-3000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LEE",
"first_name": "DANIEL",
"middle_name": "GUNJOO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2020-02-26",
"last_updated": "2026-07-30",
"certification_date": "2026-07-30",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "CA",
"license": "20A22164",
"primary": true
},
{
"code": "207RP1001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "CA",
"license": "20A22164",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Fairfield, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.