Individual provider Active NPI

Brittany McCall Dieffenbach, PA

  • Physician Assistant
  • Georgetown, SC
National Provider Identifier
1699311019
Registry record updated Oct 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
3399 Issued in SC
Practice address
2185 N Fraser St
Georgetown, SC 29440-6418
Phone
(842) 527-1800
Fax
(843) 527-6528
NPI assigned
Nov 20, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 3399 SC Primary

Addresses

Primary practice location

2185 N Fraser St
Georgetown, SC 29440-6418

Mailing address

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

Other practice location 1

4040 Highway 17 Unit 101 and 105
Murrells Inlet, SC 29576-5098
Phone (843) 652-8160

Other practice location 2

606 Black River Rd Ste 100
Georgetown, SC 29440-3304
Phone (843) 527-1800

Other practice location 3

2200 Crow Ln Ste 203
Myrtle Beach, SC 29577-1663
Phone (843) 848-5200

Other identifiers 1

IdentifierTypeStateIssuer
3399OtherSCSC LICENSE

Electronic endpoints 3

TypeEndpointUseAffiliation
Direct Messaging Address bdieffenbach447760@direct.musc.edu Direct Georgetown Physician Associates
Direct Messaging Address bdieffenbach447760@direct.musc.edu Direct Georgetown Physician Associates
Direct Messaging Address bdieffenbach447760@direct.musc.edu Georgetown Physician Associates

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200205000290 SC Practitioner - Physician Assistant 3577999861 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Georgetown Physician Associates, LLCGroup PAC ID 2365697398, 221 clinicians

Practice addresses (Care Compare)

2347 S Hwy 17
Murrells Inlet, SC 29576-7611
Phone (843) 357-2443

4040 Hwy 17
Murrells Inlet, SC 29576-5098

4070 Hwy 17
Murrells Inlet, SC 29576-5033
Phone (843) 652-1000

606 Black River Rd
Georgetown, SC 29440-3304

Hospital & facility affiliations

  • Tidelands Georgetown Memorial Hospital Hospital, Georgetown, SC, CCN 420020
  • Tidelands Waccamaw Community Hospital Hospital, Murrells Inlet, SC, CCN 420098

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
3399SCMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
Georgetown Physician Associates, LLC CurrentSince Dec 14, 2019 Accepting new patients
Georgetown Physician Associates LLC CurrentSince Dec 14, 2019 Accepting new patients
Georgetown Physician Services, LLC Past Accepting new patients

Locations

606 Black River Rd
Ste 100
Georgetown, SC 29440
Phone (843) 527-1800

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

4040 Highway 17
Unit 105
Murrells Inlet, SC 29576
Phone (843) 652-8390

4040 Highway 17
Unit 101
Murrells Inlt, SC 29576
Phone (843) 652-8160

2200 Crow Ln
Ste 102
Myrtle Beach, SC 29577
Phone (843) 520-8217

2200 Crow Ln
Ste 203
Myrtle Beach, SC 29577
Phone (843) 848-5200

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

Interoperability endpoints

  • Direct secure messaging: bdieffenbach447760@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 and National Provider Directory roles.

Hospital & facility affiliations 3

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": "1574208000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1699311019",
    "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": "2185 N FRASER ST",
            "city": "GEORGETOWN",
            "state": "SC",
            "postal_code": "294406418",
            "telephone_number": "842-527-1800",
            "fax_number": "843-527-6528"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4040 Highway 17 Unit 101 and 105",
            "address_purpose": "LOCATION",
            "city": "Murrells Inlet",
            "state": "SC",
            "postal_code": "295765098",
            "country_code": "US",
            "telephone_number": "843-652-8160",
            "fax_number": "843-527-6528",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "606 Black River Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Georgetown",
            "state": "SC",
            "postal_code": "294403304",
            "country_code": "US",
            "telephone_number": "843-527-1800",
            "fax_number": "843-527-6528",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2200 Crow Ln Ste 203",
            "address_purpose": "LOCATION",
            "city": "Myrtle Beach",
            "state": "SC",
            "postal_code": "295771663",
            "country_code": "US",
            "telephone_number": "843-848-5200",
            "fax_number": "843-848-5001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIEFFENBACH",
        "first_name": "BRITTANY",
        "middle_name": "MCCALL",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-11-20",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SC",
            "license": "3399",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SC LICENSE",
            "identifier": "3399",
            "state": "SC"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bdieffenbach447760@direct.musc.edu",
            "affiliation": "Y",
            "endpointDescription": "Direct Messaging",
            "affiliationName": "Georgetown Physician Associates",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "606 Black River Rd Ste 100",
            "city": "Georgetown",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294403304",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bdieffenbach447760@direct.musc.edu",
            "affiliation": "Y",
            "endpointDescription": "Direct Messaging",
            "affiliationName": "Georgetown Physician Associates",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "4040 Highway 17 Unit 101 and 105",
            "city": "Murrells Inlet",
            "state": "SC",
            "country_code": "US",
            "postal_code": "295765098",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bdieffenbach447760@direct.musc.edu",
            "affiliation": "Y",
            "affiliationName": "Georgetown Physician Associates",
            "address_1": "2200 Crow Ln Ste 203",
            "city": "Myrtle Beach",
            "state": "SC",
            "country_code": "US",
            "postal_code": "295771663",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Georgetown, SC

Sources for this page

Verify at the official NPI Registry.