Registry data as of Aug 27, 2026

Leslie Grenville

Behavior Analyst · Sumter, SC

Leslie Grenville is a behavior analyst with a practice address in Sumter, South Carolina, and NPI 1851850317, issued on Mar 14, 2019. Check the license (South Carolina 1-23-65220, as entered in NPPES) with the South Carolina board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1851850317
Name
Leslie Grenville
Primary taxonomy
Behavior Analyst 103K00000X
License number
1-23-65220 SC
Self-reported in NPPES; status is on the state search
Practice location
30 Black Oak CT, Sumter, SC 29154
Phone
(803) 406-4433
Enumerated
Mar 14, 2019
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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Verify Leslie Grenville in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 1-23-65220
    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
Find 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.

37 behavior analyst records list a Sumter practice address

They are 37 of the 1,265 NPPES records with a Sumter practice address, and 809 behavior analyst records in South Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other behavior analyst records in South Carolina

  1. Mary AbleColumbia, SC1689298531
  2. Edward AcevedoColumbia, SC1942971965
  3. Iris Acuna Ulloa, MA, BCBAColumbia, SC1164207445
  4. Warren AdairRock Hill, SC1083451116
  5. Katherine Adelman, BCABACharleston, SC1700262540
  6. Bhawna Aggarwal, BCBARock Hill, SC1801617097
  7. Barbara Agnello, BCBAFort Mill, SC1801060009
  8. Katosha Aitch-JonesSpartanburg, SC1255155610
  9. Anna Allen, M.S., BCBARock Hill, SC1689982894
  10. Margaret AltherrSumter, SC1386971513

Common questions

What is Leslie Grenville's NPI number?

Leslie Grenville's National Provider Identifier (NPI) is 1851850317, issued on Mar 14, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Leslie Grenville located?

The NPPES record lists a practice address at 30 Black Oak CT, Sumter, SC, 29154. Phone: (803) 406-4433. Providers update this record themselves, so call before visiting.

How can I verify Leslie Grenville's license?

NPPES lists South Carolina license number 1-23-65220, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.