Seth Michael Greenfield, D.D.S.
Dentist · Mentor, OH
Seth Michael Greenfield, D.D.S. is a dentist with a practice address in Mentor, Ohio, and NPI 1437291150, issued on Feb 12, 2007. Check the license (Ohio 21040, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Seth Michael Greenfield
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 21040 OH
Self-reported in NPPES; status is on the state search - Practice location
- 9510 Diamond Centre Dr, Mentor, OH 44060
- Phone
- (440) 357-1222
- Enumerated
- Feb 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (440) 357-0418
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,780 in Ohio → Look up another NPI →
Also registered at 9510 Diamond Centre Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Thomas, D.D.S.Dentist1528100252
Verify Seth Michael Greenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 21040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average dentist in 2024
165 Medicare Part D claims for 94 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.
Most prescribed
- Amoxicillin72 claims
- Sodium Fluoride50 claims
- Prevident24 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.
Seth Michael Greenfield among 2,780 dentist records in Ohio
Seth Michael Greenfield, 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. Its NPI, issued in 2007, is newer than 24% of them.
- NPI issued2007 · 24% of these records are older, 58% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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).
25 dentist records list a practice address in Mentor
They are 25 of the 1,824 NPPES records with a practice address in Mentor, and 2,780 dentist records in Ohio.
All 2,780 in Ohio → Every provider in Mentor → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Ronald Beech, D.D.S.Mentor, OH 440601619049913
- Algirdas Budrys, D.D.S.Mentor, OH 440601164640637
- Frederick Burger, DDSMentor, OH 440601689795783
- Henry Fioritto, D.D.S.Mentor, OH 440601306883327
- Bradley Johnson, D.M.D., M.S.D.Mentor, OH 440601154601839
- Frank Margharet, DDSMentor, OH 440601336203694
- Ron MicchiaMentor, OH 440601497177646
- William MitmanMentor, OH 440601023430303
Common questions
What is Seth Michael Greenfield, D.D.S.'s NPI number?
Seth Michael Greenfield, D.D.S.'s National Provider Identifier (NPI) is 1437291150, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Seth Michael Greenfield, D.D.S. located?
The NPPES record lists a practice address at 9510 Diamond Centre Dr, Mentor, OH, 44060. Phone: (440) 357-1222. Providers update this record themselves, so call before visiting.
How can I verify Seth Michael Greenfield, D.D.S.'s license?
NPPES lists Ohio license number 21040, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Seth Michael Greenfield, D.D.S. prescribe under Medicare Part D?
In 2024, Seth Michael Greenfield, D.D.S. had 165 Medicare Part D claims for 94 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.
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.