NPPES file of Aug 9, 2026

Thomas A. Yonchak, DDS MS

Endodontics · Fairfield, OH

Thomas A. Yonchak, DDS MS is an endodontics with a practice address in Fairfield, Ohio, and NPI 1316009392, issued on Dec 15, 2006. Check the license (Ohio 18306, as entered in NPPES) with the Ohio 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
1316009392
Name
Thomas A. Yonchak
Credential
DDS MS
Primary taxonomy
Endodontics 1223E0200X
License number
18306 OH
Self-reported in NPPES; status is on the state search
Practice location
5180 Winton RD, Fairfield, OH 45014
Phone
(513) 829-1935
Enumerated
Dec 15, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(513) 829-0413
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 endodontics records → All 186 in Ohio → Look up another NPI →

Also registered at 5180 Winton RD

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

  1. Vaishali Agarwala, DDS MSEndodontics1437219920
  2. Edward Erndt, DDS MSEndodontics1295895779

Verify Thomas A. Yonchak 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 18306    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

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2.2 times the Medicare Part D claims of the average endodontics in 2024

269 Medicare Part D claims for 168 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.

  1. Thomas Yonchak269
  2. Specialty average121

Most prescribed

  1. Penicillin V Potassium84 claims
  2. Amoxicillin53 claims
  3. Cephalexin53 claims
  4. Azithromycin25 claims
  5. Doxycycline Hyclate15 claims
  6. Metronidazole13 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.

Thomas A. Yonchak among 186 endodontics records in Ohio

Thomas A. Yonchak, DDS MS is one of 186 endodontics records with a practice address in Ohio. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 61% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Ohio

There are 186 endodontics records in Ohio.

All 186 in Ohio → Every provider in Fairfield → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. Vaishali Agarwala, DDS MSFairfield, OH 450141437219920
  2. Edward Erndt, DDS MSFairfield, OH 450141295895779
  3. Eric Bramy, DDS, MSMason, OH 450401720111891
  4. Michael Fuller, D.D.S.West Chester, OH 450691972816221
  5. John Patierno, D.M.D.West Chester, OH 450691346493558
  6. Russell Kiser, D.D.S., M.S.Mansfield, OH 449071093737322
  7. Zachary Imperial, D.D.S., M.S.Loveland, OH 451401548410517
  8. Heather Morris, DMDLoveland, OH 451401275697393

Common questions

What is Thomas A. Yonchak, DDS MS's NPI number?

Thomas A. Yonchak, DDS MS's National Provider Identifier (NPI) is 1316009392, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas A. Yonchak, DDS MS located?

The NPPES record lists a practice address at 5180 Winton RD, Fairfield, OH, 45014. Phone: (513) 829-1935. Providers update this record themselves, so call before visiting.

How can I verify Thomas A. Yonchak, DDS MS's license?

NPPES lists Ohio license number 18306, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas A. Yonchak, DDS MS prescribe under Medicare Part D?

In 2024, Thomas A. Yonchak, DDS MS had 269 Medicare Part D claims for 168 beneficiaries; the average among endodontics prescribers was 121. 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.