NPPES file of Aug 9, 2026

Gregory Lynn Hattan, D.D.S.

Dentist · Concordia, KS

Gregory Lynn Hattan, D.D.S. is a dentist with a practice address in Concordia, Kansas, and NPI 1669474664, issued on Aug 10, 2005. Check the license (Kansas KS5378, as entered in NPPES) with the Kansas 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
1669474664
Name
Gregory Lynn Hattan
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
KS5378 KS
Self-reported in NPPES; status is on the state search
Practice location
501 Washington St, Concordia, KS 66901
Phone
(785) 243-7927
Enumerated
Aug 10, 2005
Record last updated
Jul 13, 2026
Fax
(785) 243-1208
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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8 nearest dentist records → All 599 in Kansas → Look up another NPI →

Verify Gregory Lynn Hattan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kansas board licenses this profession
    Search for license KS5378    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 Kansas license search

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90% more Medicare Part D claims than the average dentist in 2024

163 Medicare Part D claims for 116 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 Hattan163
  2. Specialty average86

Most prescribed

  1. Amoxicillin117 claims
  2. Azithromycin20 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.

Gregory Lynn Hattan among 599 dentist records in Kansas

Gregory Lynn Hattan, D.D.S. is one of 599 dentist records with a practice address in Kansas. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 60% 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 Kansas 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 Concordia

They are 2 of the 76 NPPES records with a practice address in Concordia, and 599 dentist records in Kansas.

All 599 in Kansas → Every provider in Concordia → Dentist nationwide →

The 8 dentist records with the nearest ZIP codes

  1. Matthew Kueker, D.D.S.Concordia, KS 669011356788541
  2. Tatum Glaser, DDSMarion, KS 668611205789112
  3. John Alderman, DDSCouncil Grove, KS 668461477555803
  4. David Potter, DDSSmith Center, KS 669671174599096
  5. Richard Bennett, DDSEmporia, KS 668011033153945
  6. Kristine Harr, DDSEmporia, KS 668011962642553
  7. Luz Horton, DDSEmporia, KS 668011114566684
  8. Michelle Malone, D.D.S.Emporia, KS 668011437470960

Common questions

What is Gregory Lynn Hattan, D.D.S.'s NPI number?

Gregory Lynn Hattan, D.D.S.'s National Provider Identifier (NPI) is 1669474664, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Lynn Hattan, D.D.S. located?

The NPPES record lists a practice address at 501 Washington St, Concordia, KS, 66901. Phone: (785) 243-7927. Providers update this record themselves, so call before visiting.

How can I verify Gregory Lynn Hattan, D.D.S.'s license?

NPPES lists Kansas license number KS5378, as entered by the provider. Search the Kansas board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Lynn Hattan, D.D.S. prescribe under Medicare Part D?

In 2024, Gregory Lynn Hattan, D.D.S. had 163 Medicare Part D claims for 116 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.