Michael Ryon Simpson, D.M.D.
Dentist · Oviedo, FL
Michael Ryon Simpson, D.M.D. is a dentist with a practice address in Oviedo, Florida, and NPI 1508087479, issued on May 1, 2007. Check the license (Florida DN14132, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Michael Ryon Simpson
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- DN14132 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1445 E Mitchell Hammock RD, Oviedo, FL 32765
- Phone
- (407) 977-6464
- Enumerated
- May 1, 2007
- Record last updated
- Jul 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (407) 977-9989
- Entity
- Type 1 · individual
8 nearest dentist records → All 6,155 in Florida → Look up another NPI →
Also registered at 1445 E Mitchell Hammock RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Yarko, D.D.S.General Practice Dentistry1285728121
Verify Michael Ryon Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license DN14132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average dentist in 2024
37 Medicare Part D claims for 28 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin15 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.
Industry payments in 2024: $132.08
2 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael Ryon Simpson among 6,155 dentist records in Florida
Michael Ryon Simpson, D.M.D. is one of 6,155 dentist records with a practice address in Florida. 68% 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 15% of them.
- NPI issued2007 · 15% of these records are older, 71% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 62% 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 Florida 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 Oviedo
They are 25 of the 1,250 NPPES records with a practice address in Oviedo, and 6,155 dentist records in Florida.
All 6,155 in Florida → Every provider in Oviedo → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Navjot Alag, DDSOviedo, FL 327651578971446
- Peter Gayed, D.D.S.Oviedo, FL 327651073925590
- Susan GeorgeOviedo, FL 327651225372857
- Gregory Jann, DDSOviedo, FL 327651184634651
- Lena Johnson, DDSOviedo, FL 327651508874447
- Alexander Leyte-Vidal, D.D.S.Oviedo, FL 327651750341046
- Jeff Molloy, DDSOviedo, FL 327651821209990
- Nicholas Moore, DDSOviedo, FL 327651619381431
Common questions
What is Michael Ryon Simpson, D.M.D.'s NPI number?
Michael Ryon Simpson, D.M.D.'s National Provider Identifier (NPI) is 1508087479, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Ryon Simpson, D.M.D. located?
The NPPES record lists a practice address at 1445 E Mitchell Hammock RD, Oviedo, FL, 32765. Phone: (407) 977-6464. Providers update this record themselves, so call before visiting.
How can I verify Michael Ryon Simpson, D.M.D.'s license?
NPPES lists Florida license number DN14132, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Ryon Simpson, D.M.D. prescribe under Medicare Part D?
In 2024, Michael Ryon Simpson, D.M.D. had 37 Medicare Part D claims for 28 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.