William Peter Spencer, D.M.D.
Dentist · Dunedin, FL
William Peter Spencer, D.M.D. is a dentist with a practice address in Dunedin, Florida, and NPI 1912307166, issued on Aug 25, 2014. Check the license (Florida DN20645, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Peter Spencer
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- DN20645 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1201 County Road 1 Ste B, Dunedin, FL 34698
- Phone
- (727) 734-3321
- Enumerated
- Aug 25, 2014
- Record last updated
- Aug 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 6,155 in Florida → Look up another NPI →
Verify William Peter Spencer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license DN20645Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average dentist in 2024
110 Medicare Part D claims for 75 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. 16 claims were for opioids.
Most prescribed
- Amoxicillin60 claims
- Clindamycin Hcl19 claims
- Hydrocodone-Acetaminophen12 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.
William Peter Spencer among 6,155 dentist records in Florida
William Peter Spencer, 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 2014, is newer than 50% of them.
- NPI issued2014 · 50% of these records are older, 46% 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 updated2019 · 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).
11 dentist records list a practice address in Dunedin
They are 11 of the 528 NPPES records with a practice address in Dunedin, and 6,155 dentist records in Florida.
All 6,155 in Florida → Every provider in Dunedin → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Christiana Ajmo, DMDDunedin, FL 346981326424557
- Joseph Coccaro, DMDDunedin, FL 346981730381393
- David HaddadDunedin, FL 346981235022013
- Sanjie Jackson, D.M.D.Dunedin, FL 346981184822397
- Mark Johnson, DMDDunedin, FL 346981235269911
- Richard Krawczyk, DDSDunedin, FL 346981700845781
- Thomas Millman, DDSDunedin, FL 346981942346564
- Ramy Mousa, D.D.SDunedin, FL 346981538573019
Common questions
What is William Peter Spencer, D.M.D.'s NPI number?
William Peter Spencer, D.M.D.'s National Provider Identifier (NPI) is 1912307166, issued on Aug 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is William Peter Spencer, D.M.D. located?
The NPPES record lists a practice address at 1201 County Road 1 Ste B, Dunedin, FL, 34698. Phone: (727) 734-3321. Providers update this record themselves, so call before visiting.
How can I verify William Peter Spencer, D.M.D.'s license?
NPPES lists Florida license number DN20645, 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 William Peter Spencer, D.M.D. prescribe under Medicare Part D?
In 2024, William Peter Spencer, D.M.D. had 110 Medicare Part D claims for 75 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.