NPPES file of Aug 9, 2026

John Sinclair, D.D.S.

Dentist · Norman, OK

John Sinclair, D.D.S. is a dentist with a practice address in Norman, Oklahoma, and NPI 1972839413, issued on Oct 18, 2009. Check the license (Oklahoma 6156, as entered in NPPES) with the Oklahoma 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
1972839413
Name
John Sinclair
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
6156 OK
Self-reported in NPPES; status is on the state search
Practice location
2001 W Lindsey St, Norman, OK 73069
Phone
(405) 329-6556
Enumerated
Oct 18, 2009
Record last updated
Oct 18, 2009 (not updated in 17 years: call before relying on the address or phone)
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 John Sinclair in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 6156
    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 Oklahoma 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.

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59% fewer Medicare Part D claims than the average dentist in 2024

35 Medicare Part D claims for 21 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Sinclair35
  2. Specialty average86

Most prescribed

  1. 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.

John Sinclair among 1,058 dentist records in Oklahoma

John Sinclair, D.D.S. is one of 1,058 dentist records with a practice address in Oklahoma. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 38% of them.

  • NPI issued2009 · 38% of these records are older, 57% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2009 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Oklahoma

There are 1,058 dentist records in Oklahoma.

The 8 dentist records with the nearest ZIP codes

  1. Stephen Bradley, DDSNorman, OK 730691457455024
  2. Kristen Campbell, D.D.SNorman, OK 730691053549014
  3. Rebecca Copelin, DDSNorman, OK 730691992065908
  4. Stacia Dowell, D.D.S.Norman, OK 730691467899401
  5. Jennifer Jenkins, D.D.S.Norman, OK 730691497917140
  6. Arthi MattaNorman, OK 730691952784704
  7. Jemima Poitevien, D.D.S.Norman, OK 730691417999731
  8. H. Ritchey, DDSNorman, OK 730691811083462

Common questions

What is John Sinclair, D.D.S.'s NPI number?

John Sinclair, D.D.S.'s National Provider Identifier (NPI) is 1972839413, issued on Oct 18, 2009. An NPI identifies a provider in billing; it is not a license.

Where is John Sinclair, D.D.S. located?

The NPPES record lists a practice address at 2001 W Lindsey St, Norman, OK, 73069. Phone: (405) 329-6556. Providers update this record themselves, so call before visiting.

How can I verify John Sinclair, D.D.S.'s license?

NPPES lists Oklahoma license number 6156, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does John Sinclair, D.D.S. prescribe under Medicare Part D?

In 2024, John Sinclair, D.D.S. had 35 Medicare Part D claims for 21 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.