NPPES file of Aug 9, 2026

John Thomas Parnell, D.M.D.

Dentist · Columbia, SC

John Thomas Parnell, D.M.D. is a dentist with a practice address in Columbia, South Carolina, and NPI 1962424986, issued on Jul 25, 2006. Check the license (South Carolina 4196, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962424986
Name
John Thomas Parnell
Credential
D.M.D.
Primary taxonomy
Dentist 122300000X
License number
4196 SC
Self-reported in NPPES; status is on the state search
Practice location
9 Surrey CT, Columbia, SC 29212
Phone
(803) 772-5628
Enumerated
Jul 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(803) 798-2193
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 9 Surrey CT

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

  1. Rudolph Harrington, DMDGeneral Practice Dentistry1922022763

Verify John Thomas Parnell 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 4196
    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

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48% more Medicare Part D claims than the average dentist in 2024

127 Medicare Part D claims for 91 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. John Parnell127
  2. Specialty average86

Most prescribed

  1. Amoxicillin95 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: $47.01

2 payments; by number, the most common kind was food and beverage; the largest payer was Patterson Companies, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Parnell$47.01
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

116 dentist records list a practice address in Columbia

They are 116 of the 11,200 NPPES records with a practice address in Columbia, and 1,124 dentist records in South Carolina.

Other dentist records in South Carolina

  1. Ricardo Abakah, D.D.S.Goose Creek, SC1033349550
  2. Austin Abellana, D.M.DWoodruff, SC1104370667
  3. Amelia Abercrombie, DMDSumter, SC1730602202
  4. Wilson Ackerman, DMDGreenwood, SC1225324080
  5. Alec Adams, DMDMyrtle Beach, SC1972155596
  6. Debra Adams, DMDMt Pleasant, SC1619359627
  7. Nina Adams, DMDLexington, SC1497680227
  8. Richard Adcook, DDSNorth Charleston, SC1982680229
  9. Sylvester Adu Boahene, DDSColumbia, SC1235391665
  10. Chika Agu, DDSLaurens, SC1962713602

Common questions

What is John Thomas Parnell, D.M.D.'s NPI number?

John Thomas Parnell, D.M.D.'s National Provider Identifier (NPI) is 1962424986, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Thomas Parnell, D.M.D. located?

The NPPES record lists a practice address at 9 Surrey CT, Columbia, SC, 29212. Phone: (803) 772-5628. Providers update this record themselves, so call before visiting.

How can I verify John Thomas Parnell, D.M.D.'s license?

NPPES lists South Carolina license number 4196, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does John Thomas Parnell, D.M.D. prescribe under Medicare Part D?

In 2024, John Thomas Parnell, D.M.D. had 127 Medicare Part D claims for 91 beneficiaries; the average among dentist prescribers was 86. 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.