Individual provider Active NPI

Andrea Nguyen, MD

  • Internal Medicine Physician
  • Charleston, SC
National Provider Identifier
1811524929
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
91953 Issued in SC
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

Updated by the provider on Jan 14, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20241104001578 SC Practitioner - Internal Medicine 2668905274 Reassigns benefits to 1 organization
I20260128002750 CA Practitioner - Internal Medicine 2668905274 Reassigns benefits to 1 organization

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
Galen Inpatient Physicians PCGroup PAC ID 3678464633, 1,045 clinicians
24 On Physicians of SC LLCGroup PAC ID 5890127344, 136 clinicians

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 Hospital, Fresno, CA, CCN 050093
  • Roper Hospital Hospital, Charleston, SC, CCN 420087
  • Bon Secours-St Francis Xavier Hospital Hospital, Charleston, SC, CCN 420065
  • Roper St Francis Hospital-Berkeley Inc Hospital, Summerville, SC, CCN 420110
  • Mount Pleasant Hospital Hospital, Mount Pleasant, SC, CCN 420104

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A203115CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
24 On Physicians of SC, LLC CurrentSince Sep 11, 2024 Accepting new patients
Galen Inpatient Physicians PC CurrentSince Jan 15, 2026 Accepting new patients
Galen Inpatient Physicians PC CurrentSince Jan 15, 2026 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.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.