Gregory L. Theis, D.D.S.
Dentist · Findlay, OH
Gregory L. Theis, D.D.S. is a dentist with a practice address in Findlay, Ohio, and NPI 1578562773, issued on Jul 19, 2005. Check the license (Ohio 30021577, 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.
- Name
- Gregory L. Theis
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 30021577 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1816 Chapel Dr, Findlay, OH 45840
- Phone
- (419) 422-8972
- Enumerated
- Jul 19, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (419) 422-8973
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,780 in Ohio → Look up another NPI →
Also registered at 1816 Chapel Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory L. Theis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 30021577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory L. Theis among 2,780 dentist records in Ohio
Gregory L. Theis, D.D.S. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% 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).
Dentist providers in Ohio
There are 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 Findlay → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Angela Bateson, DDSFindlay, OH 458401023159795
- Emma BergmanFindlay, OH 458401437953080
- Katherine Frimenko, DDSFindlay, OH 458401992236376
- Joseph Fulton, DDSFindlay, OH 458401457494692
- Claudia Gonzalez FigueroaFindlay, OH 458401356184246
- Bruce Heater, D.D.S.Findlay, OH 458401902874464
- William Kibbey, DDSFindlay, OH 458401780743757
- Kathryn Lewis, D.D.S.Findlay, OH 458401982883419
Common questions
What is Gregory L. Theis, D.D.S.'s NPI number?
Gregory L. Theis, D.D.S.'s National Provider Identifier (NPI) is 1578562773, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory L. Theis, D.D.S. located?
The NPPES record lists a practice address at 1816 Chapel Dr, Findlay, OH, 45840. Phone: (419) 422-8972. Providers update this record themselves, so call before visiting.
How can I verify Gregory L. Theis, D.D.S.'s license?
NPPES lists Ohio license number 30021577, 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.
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.