NPIMap

Individual provider Active NPI

Robert Wallace Williams Biederman, MD

  • Cardiovascular Disease Physician
  • Charleston, SC
National Provider Identifier
1912907734
Registry record updated Sep 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
91409 Issued in SC
Practice address
316 Calhoun St
Charleston, SC 29401-1113
Phone
(843) 720-8448
Fax
(843) 724-2852
NPI assigned
Jul 22, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 91409 SC Primary

Addresses

Primary practice location

316 Calhoun St
Charleston, SC 29401-1113

Mailing address

PO Box 632500
Cincinnati, OH 45263-2500
Phone (888) 472-0043

Other practice location 1

1033 Saint Andrews Blvd
Charleston, SC 29407-7156
Phone (843) 723-6111

Other identifiers 4

IdentifierTypeStateIssuer
914096MedicaidSC
2235825MedicaidOH
0018039040001MedicaidPA
3810001842MedicaidWV

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address rbiederman10615@direct.ahn.org
Direct Messaging Address providercredentialing@rsfh.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WV, SC2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230922003739 WV Practitioner - Cardiovascular Disease (Cardiology) 4284728189 Reassigns benefits to 10 organizations
I20240227003147 SC Practitioner - Cardiovascular Disease (Cardiology) 4284728189 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Medical University of South Carolina College of Medicine, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Roper Hospital IncGroup PAC ID 8426958919, 66 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Morgantown, WV 26506-1200
Phone (304) 598-4865

10 Amalia Dr
Suite C7
Buckhannon, WV 26201-2270
Phone (304) 460-7979

122 12TH St
Princeton, WV 24740-2312
Phone (304) 487-7936

171 Ashley Ave
Charleston, SC 29425-8908
Phone (843) 792-1414

316 Calhoun St
Charleston, SC 29401-1113
Phone (843) 724-2450

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.34 of 100Reported as apm
Quality
79.86
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
95.34 of 100Reported as apm
Quality
79.86
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
79.02 of 100Reported as group
Quality
62.41
Promoting interoperability
99
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
95.34 of 100Reported as apm
Quality
79.86
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
91409SCMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Potomac Valley Hospital of W VA , Inc Current Accepting new patients
Roper Hospital, Inc. Current Accepting new patients
St Josephs Hospital of Buckhannon Inc CurrentSince Feb 19, 2024 Accepting new patients
Roper Hospital Inc. CurrentSince Mar 11, 2024 Accepting new patients
West Virginia University Medical Corporation CurrentSince Aug 28, 2023 Accepting new patients
University Medical Associates of the Medical University of South Carol Cardiovascular Disease CurrentSince Jan 10, 2024 Accepting new patients
Roper Hospital, Inc Cardiovascular Disease CurrentSince Mar 11, 2024 Accepting new patients
West Virginia University Medical Corporation CurrentSince Aug 28, 2023 Accepting new patients
Allegheny Clinic Current Accepting new patients
University Medical Associates of the Medical University of South Carol CurrentSince Jan 10, 2024 Accepting new patients
Camden-Clark Physician Corporation CurrentSince Jan 11, 2026 Accepting new patients
Princeton Community Hospital Assn., Inc CurrentSince Nov 6, 2023 Accepting new patients
Potomac Valley Hospital of W VA , Inc CurrentSince Dec 3, 2024 Accepting new patients
Potomac Valley Hospital of WV, Inc. CurrentSince Dec 3, 2024 Accepting new patients
Wheeling Hospital Inc Cardiovascular Disease CurrentSince Aug 11, 2023 Accepting new patients
Princeton Community Hospital Assn Inc. CurrentSince Nov 6, 2023 Accepting new patients
St Josephs Hospital of Buckhannon Cardiovascular Disease PastSince Feb 19, 2024 Accepting new patients

Locations

171 Ashley Ave
Charleston, SC 29425
Phone (843) 792-2123

316 Calhoun St
Charleston, SC 29401
Phone (843) 724-2000

416 Robertson Blvd
Ste B
Walterboro, SC 29488
Phone (843) 549-2411

401 E Vermillion St
Athens, WV 24712
Phone (304) 384-7325

1 Amalia Dr
Buckhannon, WV 26201
Phone (304) 473-2000

10 Amalia Dr
Ste C7
Buckhannon, WV 26201
Phone (304) 460-7979

100 Pin Oak Ln
Ste 3
Keyser, WV 26726
Phone (304) 597-3790

100 Pin Oak Ln
Keyser, WV 26726
Phone (304) 597-3500

1 Medical Center Dr
Morgantown, WV 26506
Phone (304) 293-4500

800 Garfield Ave
Parkersburg, WV 26101
Phone (304) 420-7161

800 Garfield Ave
Rm G101
Parkersburg, WV 26101
Phone (304) 422-0405

122 12th St
Princeton, WV 24740
Phone (304) 487-7061

300 S Preston St
Ranson, WV 25438
Phone (304) 728-1600

1 Medical Park
Wheeling, WV 26003
Phone (304) 243-3124

Interoperability endpoints

  • Direct secure messaging: rbiederman10615@direct.ahn.org
  • Direct secure messaging: rbiederman2534833@direct.bsmhealth.org

Organizations & group practices 18

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.

View all 18

Hospital & facility affiliations 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1121990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790121600000",
    "number": "1912907734",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 632500",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452632500",
            "telephone_number": "888-472-0043",
            "fax_number": "513-653-4122"
        },
        {
            "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": "843-720-8448",
            "fax_number": "843-724-2852"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1033 Saint Andrews Blvd",
            "address_purpose": "LOCATION",
            "city": "Charleston",
            "state": "SC",
            "postal_code": "294077156",
            "country_code": "US",
            "telephone_number": "843-723-6111",
            "fax_number": "843-727-2973",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BIEDERMAN",
        "first_name": "ROBERT",
        "middle_name": "WALLACE WILLIAMS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-22",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "SC",
            "license": "91409",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "914096",
            "state": "SC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2235825",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0018039040001",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3810001842",
            "state": "WV"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rbiederman10615@direct.ahn.org",
            "affiliation": "N",
            "address_1": "320 E North Ave",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152124756",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "providercredentialing@rsfh.com",
            "affiliation": "N",
            "address_1": "316 Calhoun St",
            "city": "Charleston",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294011113",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Charleston, SC

Sources for this page

Verify at the official NPI Registry.