NPPES file of Aug 9, 2026

Gregory Mark Clifford, D.D.S.

Dentist · Piedmont, OK

Gregory Mark Clifford, D.D.S. is a dentist with a practice address in Piedmont, Oklahoma, and NPI 1861806069, issued on Jun 16, 2014. Check the license (Oklahoma 6583, 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
1861806069
Name
Gregory Mark Clifford
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
6583 OK
Self-reported in NPPES; status is on the state search
Practice location
13100 Clny Pointe Blvd, Piedmont, OK 73078
Phone
(405) 820-9457
Enumerated
Jun 16, 2014
Record last updated
Mar 17, 2016 (not updated in 10 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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Also registered at 13100 Clny Pointe Blvd

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

  1. Brandon Scharrer, DPTPhysical Therapist1043642812

Verify Gregory Mark Clifford 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 6583
    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

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10% more Medicare Part D claims than the average dentist in 2024

95 Medicare Part D claims for 57 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. Gregory Clifford95
  2. Specialty average86

Most prescribed

  1. Amoxicillin57 claims
  2. Clindamycin Hcl18 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: $19.12

1 payment: food and beverage; the largest payer was Dentsply Sirona 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. Gregory Clifford$19.12
  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.

Gregory Mark Clifford among 1,058 dentist records in Oklahoma

Gregory Mark Clifford, 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 2014, is newer than 54% of them.

  • NPI issued2014 · 54% of these records are older, 42% 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 updated2016 · 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).

2 dentist records list a practice address in Piedmont

They are 2 of the 75 NPPES records with a practice address in Piedmont, and 1,058 dentist records in Oklahoma.

The 8 dentist records with the nearest ZIP codes

  1. Robert Rickey, DDSPiedmont, OK 730781639104995
  2. James Dewhurst, DDSPerry, OK 730771528148277
  3. Kristin Kotecki, DDSPurcell, OK 730801205318961
  4. Glenn Mead, DDSPurcell, OK 730801649389420
  5. Stephanie Schmidt, D.D.S.Purcell, OK 730801831503770
  6. Cayli Cohrs, DDSPauls Valley, OK 730751558254979
  7. Joseph Fleming, D.D.S.Pauls Valley, OK 730751770804932
  8. Jamie Means, DDSPauls Valley, OK 730751588738488

Common questions

What is Gregory Mark Clifford, D.D.S.'s NPI number?

Gregory Mark Clifford, D.D.S.'s National Provider Identifier (NPI) is 1861806069, issued on Jun 16, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Mark Clifford, D.D.S. located?

The NPPES record lists a practice address at 13100 Clny Pointe Blvd, Piedmont, OK, 73078. Phone: (405) 820-9457. Providers update this record themselves, so call before visiting.

How can I verify Gregory Mark Clifford, D.D.S.'s license?

NPPES lists Oklahoma license number 6583, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Mark Clifford, D.D.S. prescribe under Medicare Part D?

In 2024, Gregory Mark Clifford, D.D.S. had 95 Medicare Part D claims for 57 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.