ROBERT WALLACE WILLIAMS BIEDERMAN MD
NPI 1912907734
Internal Medicine - Cardiovascular Disease in Charleston, SC
About Robert Wallace Williams Biederman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT WALLACE WILLIAMS BIEDERMAN MD (NPI 1912907734) is an individual cardiovascular disease provider in Charleston, South Carolina, licensed in South Carolina (91409) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Uniontown Hospital, and maintains a secondary practice location in Charleston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Robert Wallace Williams Biederman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Robert Biederman reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charleston, SC 29401
- Reassigned Medicare billing, South Carolina enrollment
- 140 clinicians in this Medicare group
Charleston, SC 29425
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 clinicians in this Medicare group
Princeton, WV 24740
- Reassigned Medicare billing, West Virginia enrollment
- 280 clinicians in this Medicare group
Buckhannon, WV 26201
- Reassigned Medicare billing, West Virginia enrollment
- Medicare enrollment name: St Joseph's Hospital Of Buckhannon Inc
- 189 clinicians in this Medicare group
Bridgeport, WV 26330
- Reassigned Medicare billing, West Virginia enrollment
- 2,471 clinicians in this Medicare group
Parkersburg, WV 26101
- Reassigned Medicare billing, West Virginia enrollment
- 461 clinicians in this Medicare group
Keyser, WV 26726
- Reassigned Medicare billing, West Virginia enrollment
- Also billed through NPI 1316054919 (West Virginia)
- 158 clinicians in this Medicare group
Ranson, WV 25438
- Reassigned Medicare billing, West Virginia enrollment
- 110 clinicians in this Medicare group
Wheeling, WV 26003
- Reassigned Medicare billing, West Virginia enrollment
- 502 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uniontown Hospital
Acute Care Hospitals · Uniontown, PAMusc Medical Center
Acute Care Hospitals · Charleston, SCWest Virginia University Hospitals, Inc
Acute Care Hospitals · Morgantown, WVPrinceton Community Hospital
Acute Care Hospitals · Princeton, WVBraxton County Memorial Hospital, Inc
Critical Access Hospitals · Gassaway, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHARLESTON, SC 29401
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Biederman's NPI number?
The NPI number for Robert Biederman is 1912907734. It was assigned to this individual provider in the NPPES registry on July 22, 2005.
Where is Robert Biederman located?
Robert Biederman practices at 316 Calhoun St, Charleston, SC 29401. The listed phone number is (843) 720-8448.
What is Robert Biederman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Robert Biederman enrolled in Medicare?
Yes. Robert Biederman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Robert Biederman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Biederman reassigns Medicare benefits to 9 organizations: Roper Hospital, Inc. (Charleston, SC), University Medical Associates (Charleston, SC), Princeton Community Hospital Assn., Inc. (Princeton, WV), St Josephs Hospital Of Buckhannon Inc (Buckhannon, WV), West Virginia University Medical Corporation (Bridgeport, WV) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Biederman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Biederman accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, BlueCross BlueShield of South Carolina and CareSource and 4 other insurers list Robert Biederman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Robert Biederman affiliated with any hospitals?
According to CMS data, Robert Biederman is affiliated with Uniontown Hospital, Musc Medical Center, West Virginia University Hospitals, Inc, Princeton Community Hospital and Braxton County Memorial Hospital, Inc.
When was this NPI record last updated?
The NPPES record for Robert Biederman was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Robert Wallace Williams Biederman, MD · NPI 1912907734
Cardiovascular Disease physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since July 22, 2005.
## Identity
- **NPI:** 1912907734 (Entity type: Individual)
- **Enumerated:** July 22, 2005
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 91409 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 316 CALHOUN ST, Charleston, SC 29401-1113
- **Phone:** (843) 720-8448 · **Fax:** (843) 724-2852
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Roper Hospital, Inc. (NPI 1053640078, Charleston, SC); University Medical Associates (NPI 1548413453, Charleston, SC); Princeton Community Hospital Assn., Inc. (NPI 1558313213, Princeton, WV); St Josephs Hospital Of Buckhannon Inc (NPI 1124005061, Buckhannon, WV); West Virginia University Medical Corporation (NPI 1457605404, Bridgeport, WV); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 1993
## Record status
- **NPPES last updated:** September 23, 2026
- **Other identifiers:** Medicaid 914096 (SC); Medicaid 2235825 (OH); Medicaid 0018039040001 (PA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1912907734) · Data from the CMS NPPES public registry.