Michael Darwin Spencer, D.D.S.
General Practice Dentistry · Jacksonville, FL
Michael Darwin Spencer, D.D.S. is a general practice dentistry with a practice address in Jacksonville, Florida, and NPI 1245340249, issued on Aug 30, 2006. Check the license (Florida 8985, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Michael Darwin Spencer
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 8985 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1061 Riverside Ave, Jacksonville, FL 32204
- Phone
- (904) 355-5531
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (904) 791-9239
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 7,101 in Florida → Look up another NPI →
Also registered at 1061 Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Ferber, DDSGeneral Practice Dentistry1790820447
- Andrew Maples, D.M.D.General Practice Dentistry1245472802
Verify Michael Darwin Spencer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license 8985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average general practice dentistry in 2024
113 Medicare Part D claims for 51 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate46 claims
- Chlorhexidine Gluconate36 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.
Michael Darwin Spencer among 7,101 general practice dentistry records in Florida
Michael Darwin Spencer, D.D.S. is one of 7,101 general practice dentistry 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 74% 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 updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
350 general practice dentistry records list a practice address in Jacksonville
They are 350 of the 24,194 NPPES records with a practice address in Jacksonville, and 7,101 general practice dentistry records in Florida.
All 7,101 in Florida → Every provider in Jacksonville → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Paul Boldt, D.M.D.Jacksonville, FL 322041992992028
- Patricia Clark, DMDJacksonville, FL 322041871677476
- Minh Trang Dang, DDSJacksonville, FL 322041013091602
- Steven Ferber, DDSJacksonville, FL 322041790820447
- Alejandro Madruga, DDSJacksonville, FL 322041942740709
- Andrew Maples, D.M.D.Jacksonville, FL 322041245472802
- Concepcion Robledo, D.M.D.Jacksonville, FL 322041932134392
- Ronald Roessler, DMDJacksonville, FL 322041780747659
Common questions
What is Michael Darwin Spencer, D.D.S.'s NPI number?
Michael Darwin Spencer, D.D.S.'s National Provider Identifier (NPI) is 1245340249, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Darwin Spencer, D.D.S. located?
The NPPES record lists a practice address at 1061 Riverside Ave, Jacksonville, FL, 32204. Phone: (904) 355-5531. Providers update this record themselves, so call before visiting.
How can I verify Michael Darwin Spencer, D.D.S.'s license?
NPPES lists Florida license number 8985, 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 Darwin Spencer, D.D.S. prescribe under Medicare Part D?
In 2024, Michael Darwin Spencer, D.D.S. had 113 Medicare Part D claims for 51 beneficiaries; the average among general practice dentistry prescribers was 83. 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.