Leigh O'Neal, DMD
Endodontics · Charleston, SC
Leigh O'Neal, DMD is an endodontics with a practice address in Charleston, South Carolina, and NPI 1487143004, issued on May 9, 2018. Check the license (South Carolina DGD.10020, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leigh O'Neal
- Credential
- DMD
- Primary taxonomy
- Endodontics 1223E0200X
- License numbers
- DGD.10020 SC
30.025678 OH
Self-reported in NPPES; status is on the state search - Practice location
- 10 Farmfield Ave Ste E, Charleston, SC 29407
- Phone
- (843) 766-0112
- Enumerated
- May 9, 2018
- Record last updated
- Mar 1, 2022
- Entity
- Type 1 · individual
8 nearest endodontics records → All 94 in South Carolina → Look up another NPI →
Also registered at 10 Farmfield Ave Ste E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Walter Long, D.M.D.Endodontics1669692349
- Caitlin McPherson, DMDGeneral Practice Dentistry1871038612
Verify Leigh O'Neal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license DGD.10020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average endodontics in 2024
40 Medicare Part D claims for 30 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $13.59
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Leigh O'Neal among 94 endodontics records in South Carolina
Leigh O'Neal, DMD is one of 94 endodontics records with a practice address in South Carolina. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 88% of them.
- NPI issued2018 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in South Carolina
There are 94 endodontics records in South Carolina.
All 94 in South Carolina → Every provider in Charleston → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Frederick Canby, DDS, MSCharleston, SC 294071861549990
- William Fournier, D.D.S.Charleston, SC 294071548399793
- Walter Long, D.M.D.Charleston, SC 294071669692349
- Donald McVicker, DMD PACharleston, SC 294071316021736
- Colby Sowers, DMDCharleston, SC 294071174086250
- Kenneth King, DMD, PANorth Charleston, SC 294061770540791
- Geoffrey Steinkruger, DMD, MSNorth Charleston, SC 294061720184997
- Gregory Wiggins, DMD, PANorth Charleston, SC 294061376500322
Common questions
What is Leigh O'Neal, DMD's NPI number?
Leigh O'Neal, DMD's National Provider Identifier (NPI) is 1487143004, issued on May 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Leigh O'Neal, DMD located?
The NPPES record lists a practice address at 10 Farmfield Ave Ste E, Charleston, SC, 29407. Phone: (843) 766-0112. Providers update this record themselves, so call before visiting.
How can I verify Leigh O'Neal, DMD's license?
NPPES lists South Carolina license number DGD.10020, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Leigh O'Neal, DMD prescribe under Medicare Part D?
In 2024, Leigh O'Neal, DMD had 40 Medicare Part D claims for 30 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.
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.