Registry data as of Aug 27, 2026

Gregory Seymour, D.D.S.

General Practice Dentistry · Ashtabula, OH

Gregory Seymour, D.D.S. is a general practice dentistry with a practice address in Ashtabula, Ohio, and NPI 1891869152, issued on Nov 20, 2006. Check the license (Ohio 16845, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891869152
Name
Gregory Seymour
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
16845 OH
Self-reported in NPPES; status is on the state search
Practice location
5005 State RD, Ashtabula, OH 44004
Phone
(440) 992-3146
Enumerated
Nov 20, 2006
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 5005 State RD

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

  1. Julius Bader, D.D.S.General Practice Dentistry1760556021
  2. Michael Debellis, D.D.S.General Practice Dentistry1144394420
  3. Miguel Defina, D.D.S., M.S.D.Periodontics1013198878
  4. Frank Fioritto, D.D.S.General Practice Dentistry1114091394
  5. Michael Sivik, D.M.D.General Practice Dentistry1578714796
  6. William Sockman, D.D.S.General Practice Dentistry1417021767

Verify Gregory Seymour 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 16845
    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.

11 general practice dentistry records list a Ashtabula practice address

They are 11 of the 961 NPPES records with a Ashtabula practice address, and 3,931 general practice dentistry records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Ohio

  1. Barry Aab, D.D.S.Wapakoneta, OH1467482471
  2. Kristin Abbas, D.D.S.West Chester, OH1396976932
  3. Razan Abbass, DDSParma Heights, OH1831162742
  4. Kamal Abdel-Wahab, D.D.S.Springfield, OH1568608610
  5. Sulekha Abdi, DDSMansfield, OH1861838427
  6. Rahim Abdul, B.D.SYoungstown, OH1083979603
  7. Mohammed Abdul HaqCleveland, OH1255914792
  8. Asim Abdul Quader, B.D.S., MS.Cleveland, OH1255905550
  9. Abrar Abdul-Latif, DDSToledo, OH1134343759
  10. Nicholas AbinantiColumbus, OH1831769017

Common questions

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

Gregory Seymour, D.D.S.'s National Provider Identifier (NPI) is 1891869152, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Seymour, D.D.S. located?

The NPPES record lists a practice address at 5005 State RD, Ashtabula, OH, 44004. Phone: (440) 992-3146. Providers update this record themselves, so call before visiting.

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

NPPES lists Ohio license number 16845, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.