NPIMap

Individual provider Active NPI

William Reece McWilliams, MD

  • Hospitalist Physician
  • Columbia, SC
National Provider Identifier
1346535127
Registry record updated Feb 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
33545 Issued in SC
Practice address
14 Richland Medical Park Dr
Suite 320
Columbia, SC 29203-6877
Phone
(803) 434-6771
Fax
(803) 434-3955
NPI assigned
Jun 9, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 18, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X LL33545 SC
Hospitalist Physician 208M00000X 33545 SC Primary

Addresses

Primary practice location

14 Richland Medical Park Dr
Suite 320
Columbia, SC 29203-6877

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
335453MedicaidSC

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
I20141013002490 SC Practitioner - HospitalistPractitioner - Internal Medicine 3274753348 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
University of South Carolina School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Prisma Health Medical Group-MidlandsGroup PAC ID 5991099707, 1,040 clinicians

Practice addresses (Care Compare)

Taylor at Marion St
Columbia, SC 29220-0001
Phone (803) 296-5579

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
LL33545SCMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Prisma Health Medical Group-Midlands Internal Medicine Current Accepting new patients
Prisma Health Medical Group-Midlands Hospitalist Current Accepting new patients
Palmetto Health - University of South Carolina Medical Group CurrentSince Dec 10, 2016 Accepting new patients
Prisma Health Medical Group-Midlands CurrentSince Dec 10, 2016 Accepting new patients
Prisma Health-Midlands Past Accepting new patients
Prisma Health-Midlands Past Accepting new patients
Prisma Health-Midlands Past Accepting new patients
Prisma Health-Midlands Past Accepting new patients

Locations

2 Medical Park Rd
Ste 506
Columbia, SC 29203
Phone (803) 434-3930

14 Richland Medical Park Dr
Ste 320
Columbia, SC 29203
Phone (803) 434-1663

Taylor At Marion St
Columbia, SC 29220
Phone (803) 296-3097

300 E McBee Ave
Fl 4
Greenville, SC 29601
Phone (864) 522-8615

115 N Sumter St
Ste 110
Sumter, SC 29150
Phone (803) 774-5249

Interoperability endpoints

  • Direct secure messaging: wmcwilliams382228@direct.ghs.myhfn.org

Organizations & group practices 8

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1307577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1346535127",
    "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": "14 RICHLAND MEDICAL PARK DR",
            "address_2": "SUITE 320",
            "city": "COLUMBIA",
            "state": "SC",
            "postal_code": "292036877",
            "telephone_number": "803-434-6771",
            "fax_number": "803-434-3955"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCWILLIAMS",
        "first_name": "WILLIAM",
        "middle_name": "REECE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-06-09",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SC",
            "license": "LL33545",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "SC",
            "license": "33545",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "335453",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, SC

Sources for this page

Verify at the official NPI Registry.