NPIMap

Individual provider Active NPI

Luis Thormer Chastain, MD

  • Family Medicine Physician
  • Georgetown, SC
National Provider Identifier
1467477661
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
28078 Issued in SC
Practice address
1075 N Fraser St
Georgetown, SC 29440-2848
Phone
(843) 527-4442
Fax
(843) 527-4027
NPI assigned
Jul 12, 2006
Last updated
Dec 3, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 28078 SC Primary

Addresses

Primary practice location

1075 N Fraser St
Georgetown, SC 29440-2848

Mailing address

PO Box 421718
Georgetown, SC 29442-4203
Phone (843) 527-7000

Other identifiers 2

IdentifierTypeStateIssuer
RHC132MedicaidSC
GP1371MedicaidSC

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address lchastain179523@direct.musc.edu Direct Georgetown Physician Associates, LLC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080522000720 SC Practitioner - Emergency MedicinePractitioner - Family Practice 7517036049 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Family Practice
Education
Medical University of South Carolina College of Medicine, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Georgetown Health GroupGroup PAC ID 2668382292, 7 clinicians

Practice addresses (Care Compare)

1075 N Fraser St
Georgetown, SC 29440-2848
Phone (843) 527-4442

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
28078SCMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Georgetown Physician Associates CurrentSince Oct 1, 2014 Accepting new patients
Georgetown Physician Associates, LLC Family Medicine Current Accepting new patients
Georgetown Physician Associates LLC Family Medicine CurrentSince Oct 1, 2014 Accepting new patients
Georgetown Physician Services, LLC Family Medicine Past Accepting new patients

Locations

1075 N Fraser St
Georgetown, SC 29440
Phone (843) 527-3588

456 N Main St
Hemingway, SC 29554
Phone (843) 558-9319

2347 S Highway 17
Murrells Inlet, SC 29576
Phone (843) 357-2443

12117 Ocean Hwy
Pawleys Island, SC 29585
Phone (843) 237-8231

Interoperability endpoints

  • Direct secure messaging: lchastain179523@direct.musc.edu

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 12

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": "1152662400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1467477661",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 421718",
            "city": "GEORGETOWN",
            "state": "SC",
            "postal_code": "294424203",
            "telephone_number": "843-527-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1075 N FRASER ST",
            "city": "GEORGETOWN",
            "state": "SC",
            "postal_code": "294402848",
            "telephone_number": "843-527-4442",
            "fax_number": "843-527-4027"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHASTAIN",
        "first_name": "LUIS",
        "middle_name": "THORMER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-12",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "SC",
            "license": "28078",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "RHC132",
            "state": "SC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GP1371",
            "state": "SC"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lchastain179523@direct.musc.edu",
            "affiliation": "Y",
            "affiliationName": "Georgetown Physician Associates, LLC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1075 N Fraser St",
            "city": "Georgetown",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294402848",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Georgetown, SC

Sources for this page

Verify at the official NPI Registry.