Registry data as of Aug 27, 2026

William Collins, MD

Radiation Oncology Physician · Sumter, SC

William Collins, MD is a radiation oncology physician with a practice address in Sumter, South Carolina, and NPI 1851365605, issued on Feb 16, 2006. Check the license (South Carolina 16225, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1851365605
Name
William Collins
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
16225 SC
Self-reported in NPPES; status is on the state search
Practice location
130 N Washington St, Sumter, SC 29150
Phone
(803) 774-8888
Enumerated
Feb 16, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 130 N Washington St

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

  1. Harvey Balfour, MDRadiation Oncology Physician1760473185
  2. Larry Grubb, MDRadiation Oncology Physician1013947589
  3. Laurie Harrell, MDTherapeutic Radiology Physician1881863389

Verify William Collins 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 16225
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

One hospital or facility affiliation

  1. Prisma Health University Medical GroupSumter, SC

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Radiation Oncology Physician providers in South Carolina

There are 77 radiation oncology physician records in South Carolina.

Other radiation oncology physician records in South Carolina

  1. Eric Aguero, MDCharleston, SC1457308678
  2. Heather Allen, MDSpartanburg, SC1801965793
  3. Samuel Andersen, MDMyrtle Beach, SC1942769997
  4. Stephen Andrews, DOMyrtle Beach, SC1568444529
  5. Harvey Balfour, MDSumter, SC1760473185
  6. Robert Bass, M.D.Myrtle Beach, SC1033118005
  7. Kevin Blas, M.D.Columbia, SC1568725810
  8. Raleigh Boulware, MDColumbia, SC1063493591
  9. Bhishamjit Chera, M.D.Charleston, SC1265522593
  10. Louise Clay, M.D.Charleston, SC1952363384

Common questions

What is William Collins, MD's NPI number?

William Collins, MD's National Provider Identifier (NPI) is 1851365605, issued on Feb 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Collins, MD located?

The NPPES record lists a practice address at 130 N Washington St, Sumter, SC, 29150. Phone: (803) 774-8888. Providers update this record themselves, so call before visiting.

How can I verify William Collins, MD's license?

NPPES lists South Carolina license number 16225, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.