WILLIAM HARRINGTON RICHARDSON III MD
NPI 1831160506
Emergency Medicine - Medical Toxicology in Columbia, SC
About William Harrington Richardson Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM HARRINGTON RICHARDSON III MD (NPI 1831160506) is an individual medical toxicology provider in Columbia, South Carolina, licensed in South Carolina (21866) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Richland Hospital, and is a graduate of Medical University Of South Carolina College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
William Harrington Richardson Iii 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
2Medicare enrollment records show William Richardson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, SC 29203
- Reassigned Medicare billing, South Carolina enrollment
- 1,466 clinicians in this Medicare group
Columbia, SC 29203
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Prisma Health-Midlands
- 373 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prisma Health Richland Hospital
Acute Care Hospitals · Columbia, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29203 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.
COLUMBIA, SC 29203
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 William Richardson's NPI number?
The NPI number for William Richardson is 1831160506. It was assigned to this individual provider in the NPPES registry on January 30, 2006.
Where is William Richardson located?
William Richardson practices at 14 Richland Medical Park Dr Ste 350, Columbia, SC 29203. The listed phone number is (803) 434-1663.
What is William Richardson's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.
Is William Richardson enrolled in Medicare?
Yes. William Richardson 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 William Richardson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Richardson reassigns Medicare benefits to 2 organizations: Prisma Health Medical Group-Midlands (Columbia, SC) and Palmetto Health (Columbia, SC). 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 William Richardson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Richardson affiliated with any hospitals?
According to CMS data, William Richardson is affiliated with Prisma Health Richland Hospital.
When was this NPI record last updated?
The NPPES record for William Richardson was last updated on December 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# William Harrington Richardson III, MD · NPI 1831160506
Medical Toxicology physician in Columbia, South Carolina. Individual provider, active in the CMS NPPES registry since January 30, 2006.
## Identity
- **NPI:** 1831160506 (Entity type: Individual)
- **Enumerated:** January 30, 2006
- **Primary specialty:** Emergency Medicine - Medical Toxicology · taxonomy 207PT0002X
- **State license:** 21866 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 14 RICHLAND MEDICAL PARK DR STE 350, Columbia, SC 29203-6896
- **Phone:** (803) 434-1663 · **Fax:** (803) 434-3894
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Prisma Health Medical Group-Midlands (NPI 1346761897, Columbia, SC); Palmetto Health (NPI 1104146612, Columbia, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** December 23, 2022
- **Other identifiers:** Medicaid T60546 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1831160506) · Data from the CMS NPPES public registry.