Roy Clark Simpson, D.D.S.
General Practice Dentistry · Washington, IN
Roy Clark Simpson, D.D.S. is a general practice dentistry with a practice address in Washington, Indiana, and NPI 1710108063, issued on May 2, 2007. Check the license (Indiana 12006046A, as entered in NPPES) with the Indiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Roy Clark Simpson
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 12006046A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1939N 75 E, Washington, IN 47501
- Phone
- (812) 254-3313
- Enumerated
- May 2, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,066 in Indiana → Look up another NPI →
Verify Roy Clark Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 12006046ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Roy Clark Simpson among 2,066 general practice dentistry records in Indiana
Roy Clark Simpson, D.D.S. is one of 2,066 general practice dentistry records with a practice address in Indiana. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 38% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 75% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 general practice dentistry records list a practice address in Washington
They are 4 of the 300 NPPES records with a practice address in Washington, and 2,066 general practice dentistry records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,066 in Indiana → Every provider in Washington → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- James Simpson, D.D.S.Washington, IN 475011154421832
- Michael Walker, D.D.S.Washington, IN 475011639261209
- Haviland Watkins, D.M.D.Washington, IN 475011316399959
- James Breuker, D.D.S.Bicknell, IN 475121558469189
- Kyle Scott, DDSBicknell, IN 475121578092292
- David Fisher, DDSDale, IN 475231427155803
- Kassidy Wolfe, DMDHolland, IN 475411306417886
- Alan Friz, DDSHuntingburg, IN 475421689779175
Common questions
What is Roy Clark Simpson, D.D.S.'s NPI number?
Roy Clark Simpson, D.D.S.'s National Provider Identifier (NPI) is 1710108063, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Roy Clark Simpson, D.D.S. located?
The NPPES record lists a practice address at 1939N 75 E, Washington, IN, 47501. Phone: (812) 254-3313. Providers update this record themselves, so call before visiting.
How can I verify Roy Clark Simpson, D.D.S.'s license?
NPPES lists Indiana license number 12006046A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity 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. 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.