Individual provider Active NPI

William Gregory Berkley, M.D.

  • Internal Medicine Physician
  • Boiling Springs, SC
National Provider Identifier
1457368730
Registry record updated Oct 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
95806 Issued in SC
Practice address
2400 Boiling Springs Rd
Boiling Springs, SC 29316-5304
Phone
(864) 599-0731
Fax
(864) 599-0791
NPI assigned
Aug 1, 2006
Last updated
Oct 28, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 28, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 95806 SC Primary
Internal Medicine Physician 207R00000X GA034540 GA
Nuclear Cardiology Physician 207UN0901X N7524 TX
Internal Medicine Physician 207R00000X N7524 TX

Addresses

Primary practice location

2400 Boiling Springs Rd
Boiling Springs, SC 29316-5304

Mailing address

300 E McBee Ave Ste 300
Greenville, SC 29601-2899
Phone (864) 522-8603

Other practice location 1

5625 Eiger Rd
Suite 200
Austin, TX 78735-8982
Phone (512) 892-7076

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, SC2 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
I20120306001004 TX Practitioner - Internal MedicinePractitioner - Nuclear Medicine 1254509359 Reassigns benefits to 1 organization
I20251116000012 SC Practitioner - Internal Medicine 1254509359 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
South Austin Family Practice Clinic, PLLCGroup PAC ID 3678564358, 64 clinicians

Practice addresses (Care Compare)

2400 Boiling Springs Rd
Boiling Springs, SC 29316-5304
Phone (864) 699-5700

5625 Eiger Rd
200 Premier Family Physicians
Austin, TX 78735-8977
Phone (512) 892-7076

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
GA034540GAMDInternal Medicine Physician
95806SCMDInternal Medicine Physician
N7524TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Prisma Health University Medical Group CurrentSince Nov 3, 2025 Accepting new patients
Prisma Health University Medical Group Internal Medicine CurrentSince Nov 3, 2025 Accepting new patients
Timberland Medical Group Internal Medicine Past Accepting new patients
Piedmont Providers LLC Internal Medicine Past Accepting new patients

Locations

210 Freeman Farm Rd
Duncan, SC 29334
Phone (864) 968-5123

2A Cleveland Ct
Greenville, SC 29607
Phone (864) 271-7761

300 E McBee Ave
Ste 300
Greenville, SC 29601

2400 Boiling Springs Rd
Spartanburg, SC 29316
Phone (864) 599-0731

Interoperability endpoints

  • Direct secure messaging: wberkley893038@direct.ghs.myhfn.org

Organizations & group practices 5

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 40

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

View all 40

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1154390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761609600000",
    "number": "1457368730",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 E MCBEE AVE STE 300",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296012899",
            "telephone_number": "864-522-8603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2400 BOILING SPRINGS RD",
            "city": "BOILING SPRINGS",
            "state": "SC",
            "postal_code": "293165304",
            "telephone_number": "864-599-0731",
            "fax_number": "864-599-0791"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5625 Eiger Rd",
            "address_2": "Suite 200",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787358982",
            "country_code": "US",
            "telephone_number": "512-892-7076",
            "fax_number": "512-899-8460",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BERKLEY",
        "first_name": "WILLIAM",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-01",
        "last_updated": "2025-10-28",
        "certification_date": "2025-10-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SC",
            "license": "95806",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "GA034540",
            "primary": false
        },
        {
            "code": "207UN0901X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine, Nuclear Cardiology",
            "state": "TX",
            "license": "N7524",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "N7524",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boiling Springs, SC

Sources for this page

Verify at the official NPI Registry.