NPPES file of Aug 9, 2026

Alexander Konstan, DDS

Dentist · Sunbury, OH

Alexander Konstan, DDS is a dentist with a practice address in Sunbury, Ohio, and NPI 1457289431, issued on May 11, 2026. Check the license (Ohio 30.028405, as entered in NPPES) with the Ohio board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1457289431
Name
Alexander Konstan
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
30.028405 OH
Self-reported in NPPES; status is on the state search
Practice location
257 W Granville St, Sunbury, OH 43074
Phone
(740) 480-2015
Enumerated
May 11, 2026
Record last updated
May 11, 2026
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 2,780 in Ohio → Look up another NPI →

Also registered at 257 W Granville St

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

  1. Mark Rettstatt, DDSDentist1982532933
  2. Addison Stern, DDSGeneral Practice Dentistry1477392041
  3. Paxton Stern, DDSDentist1871383281

Verify Alexander Konstan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license 30.028405    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 Ohio 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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Alexander Konstan among 2,780 dentist records in Ohio

Alexander Konstan, DDS is one of 2,780 dentist records with a practice address in Ohio. 66% 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 2026, is newer than 98% of them.

  • NPI issued2026 · 98% of these records are older, 0% newer
  • In a Medicare fileNo · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 70% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 dentist records list a practice address in Sunbury

They are 7 of the 160 NPPES records with a practice address in Sunbury, and 2,780 dentist records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,780 in Ohio → Every provider in Sunbury → Dentist nationwide →

The 8 dentist records with the nearest ZIP codes

  1. David Anthony, DDSSunbury, OH 430741437357993
  2. Douglas Hudoba, D.D.S.Sunbury, OH 430741306225727
  3. Nichole Pheifer, DDSSunbury, OH 430741578976304
  4. Mark Rettstatt, DDSSunbury, OH 430741982532933
  5. Trisha Richards, DDSSunbury, OH 430741568802726
  6. Paxton Stern, DDSSunbury, OH 430741871383281
  7. Goode Wier, D.D.S.St Paris, OH 430721518924703
  8. Peter AhnUrbana, OH 430781871826255

Common questions

What is Alexander Konstan, DDS's NPI number?

Alexander Konstan, DDS's National Provider Identifier (NPI) is 1457289431, issued on May 11, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Konstan, DDS located?

The NPPES record lists a practice address at 257 W Granville St, Sunbury, OH, 43074. Phone: (740) 480-2015. Providers update this record themselves, so call before visiting.

How can I verify Alexander Konstan, DDS's license?

NPPES lists Ohio license number 30.028405, as entered by the provider. Search the Ohio 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.

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.