Active NPI
Andrea Nguyen, MD
- Internal Medicine Physician
- Charleston, SC
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 91953
- Practice address
- 316 Calhoun St
Charleston, SC 29401-1113 - Phone
- (843) 724-2000
- NPI assigned
- Mar 26, 2020
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 91953 | SC | Primary |
| Internal Medicine Physician | 207R00000X | A203115 | CA | |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
316 Calhoun St
Charleston, SC 29401-1113
Mailing address
316 Calhoun St
Charleston, SC 29401-1113
Other practice location 1
2601 Ocean Pkwy
Brooklyn, NY 11235-7745
Phone (718) 616-3000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SC, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1303 E Herndon Ave
Fresno, CA 93720-3309
Phone (559) 450-3000
316 Calhoun St
Charleston, SC 29401-1113
Phone (843) 724-2901
Hospital & facility affiliations
- Saint Agnes Medical Center
- Roper Hospital
- Bon Secours-St Francis Xavier Hospital
- Roper St Francis Hospital-Berkeley Inc
- Mount Pleasant Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A203115 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| 24 On Physicians of SC, LLC | Current | Accepting new patients | |
| Galen Inpatient Physicians PC | Current | Accepting new patients | |
| Galen Inpatient Physicians PC | Current | Accepting new patients |
Locations
1303 E Herndon Ave
Fresno, CA 93720
Phone (559) 449-3000
115 Mall Dr
Hanford, CA 93230
Phone (559) 537-0550
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
13000 Deerfield Pkwy
Ste 100
Alpharetta, GA 30004
2095 Henry Tecklenburg Dr
Charleston, SC 29414
Phone (843) 402-1037
316 Calhoun St
Charleston, SC 29401
Phone (843) 724-2000
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Hospitalist Physician
- Charleston, SC
- NPI 1144877655
-
- Hospitalist Physician
- Manteca, CA
- NPI 1689320459
-
- Hospitalist Physician
- Los Angeles, CA
- NPI 1205787686
-
- Hospitalist Physician
- Bakersfield, CA
- NPI 1285403915
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Charleston, SC
- NPI 1851361778
-
- General Acute Care Hospital
- Charleston, SC
- NPI 1962472860
-
- General Acute Care Hospital
- Summerville, SC
- NPI 1336603646
-
- General Acute Care Hospital
- Mt Pleasant, SC
- NPI 1255645644
-
- General Acute Care Hospital
- Fresno, CA
- NPI 1205845567
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1585180800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768348800000",
"number": "1811524929",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "316 CALHOUN ST",
"city": "CHARLESTON",
"state": "SC",
"postal_code": "294011113"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "316 CALHOUN ST",
"city": "CHARLESTON",
"state": "SC",
"postal_code": "294011113",
"telephone_number": "843-724-2000"
}
],
"practiceLocations": [
{
"address_1": "2601 Ocean Pkwy",
"address_purpose": "LOCATION",
"city": "Brooklyn",
"state": "NY",
"postal_code": "112357745",
"country_code": "US",
"telephone_number": "718-616-3000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NGUYEN",
"first_name": "ANDREA",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-03-26",
"last_updated": "2026-01-14",
"certification_date": "2026-01-14",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "SC",
"license": "91953",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A203115",
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Charleston, SC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.