NPPES file of Aug 9, 2026

William Harrington Richardson, MD

Medical Toxicology (Emergency Medicine) Physician · Columbia, SC

William Harrington Richardson, MD is a medical toxicology (emergency medicine) physician with a practice address in Columbia, South Carolina, and NPI 1831160506, issued on Jan 30, 2006. Check the license (South Carolina 21866, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831160506
Name
William Harrington Richardson
Credential
MD
Primary taxonomy
Medical Toxicology (Emergency Medicine) Physician 207PT0002X
License number
21866 SC
Self-reported in NPPES; status is on the state search
Practice location
14 Richland Medical Park Dr Ste 350, Columbia, SC 29203
Phone
(803) 434-1663
Enumerated
Jan 30, 2006
Record last updated
Dec 23, 2022
Fax
(803) 434-3894
Medicaid ID
T60546 SC
Medicare enrollment
Enrolled (PECOS I20040421000875); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14 Richland Medical Park Dr Ste 350

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert AdamsEmergency Medicine Physician1508397605
  2. Halley AlbertsEmergency Medicine Physician1407421662
  3. Timothy Attride, DOEmergency Medicine Physician1295125011
  4. Ashley Axson-ClementsEmergency Medicine Physician1578203576
  5. Caroline Blatcher, MDEmergency Medicine Physician1114589140
  6. Scott Bloch, MDPediatric Emergency Medicine (Emergency Medicine) Physician1801062658

Verify William Harrington Richardson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 21866
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

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The MIPS final score for 2023 (Medicare payment program): 99.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Prisma Health Medical Group-MidlandsColumbia, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Medical Toxicology (Emergency Medicine) Physician providers in South Carolina

There are 7 medical toxicology (emergency medicine) physician records in South Carolina.

Other medical toxicology (emergency medicine) physician records in South Carolina

  1. Nicholas Connors, MDCharleston, SC1366604944
  2. Natalie Ebeling-KoningGreenville, SC1508358821
  3. Lewis Hardison, D.O., MPHColumbia, SC1568601870
  4. Kim-Long Nguyen, MDGreenville, SC1467013045
  5. David Schaffer, MDGreenville, SC1982192456
  6. Jessica Winkels, MDGreenville, SC1275159600

Common questions

What is William Harrington Richardson, MD's NPI number?

William Harrington Richardson, MD's National Provider Identifier (NPI) is 1831160506, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Harrington Richardson, MD located?

The NPPES record lists a practice address at 14 Richland Medical Park Dr Ste 350, Columbia, SC, 29203. Phone: (803) 434-1663. Providers update this record themselves, so call before visiting.

How can I verify William Harrington Richardson, MD's license?

NPPES lists South Carolina license number 21866, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is William Harrington Richardson, MD's MIPS final score?

The 2023 MIPS final score is 99.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.