Charles Johnson, DMD
General Practice Dentistry · Summerville, SC
Charles Johnson, DMD is a general practice dentistry with a practice address in Summerville, South Carolina, and NPI 1164092441, issued on Jun 29, 2021. Check the license (South Carolina 9899, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles Johnson
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 9899 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1720 Old Trolley RD, Summerville, SC 29485
- Phone
- (864) 640-6757
- Enumerated
- Jun 29, 2021
- Record last updated
- Jun 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,761 in South Carolina → Look up another NPI →
Also registered at 1720 Old Trolley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Andrews, DMDGeneral Practice Dentistry1114085289
Verify Charles Johnson 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 9899Check 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 general practice dentistry in 2024
27 Medicare Part D claims for 20 beneficiaries, against an average of 83 among the 70,290 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.
Charles Johnson among 1,761 general practice dentistry records in South Carolina
Charles Johnson, DMD is one of 1,761 general practice dentistry records with a practice address in South Carolina. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.
- NPI issued2021 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 general practice dentistry records list a practice address in Summerville
They are 68 of the 1,915 NPPES records with a practice address in Summerville, and 1,761 general practice dentistry records in South Carolina.
All 1,761 in South Carolina → Every provider in Summerville → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- James Andrews, DMDSummerville, SC 294851114085289
- Robert Beebe, DMDSummerville, SC 294851700882032
- John Corella, DMDSummerville, SC 294851780898353
- Lawrence Evola, D.D.SSummerville, SC 294851245440148
- Dale Finkbine, DDSSummerville, SC 294851710048236
- Keenan Green, D.M.DSummerville, SC 294851497825400
- Lynda Grossman, D.D.S.Summerville, SC 294851245202159
- Deborah Haffner, DMDSummerville, SC 294851053478032
Common questions
What is Charles Johnson, DMD's NPI number?
Charles Johnson, DMD's National Provider Identifier (NPI) is 1164092441, issued on Jun 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Charles Johnson, DMD located?
The NPPES record lists a practice address at 1720 Old Trolley RD, Summerville, SC, 29485. Phone: (864) 640-6757. Providers update this record themselves, so call before visiting.
How can I verify Charles Johnson, DMD's license?
NPPES lists South Carolina license number 9899, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Charles Johnson, DMD prescribe under Medicare Part D?
In 2024, Charles Johnson, DMD had 27 Medicare Part D claims for 20 beneficiaries; the average among general practice dentistry prescribers was 83. 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.