Brian P. Osullivan, DMD
Dentist · Spring Hill, FL
Brian P. Osullivan, DMD is a dentist with a practice address in Spring Hill, Florida, and NPI 1134243553, issued on Mar 19, 2007. Check the license (Florida DN11137, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Brian P. Osullivan
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- DN11137 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3429 Mariner Blvd, Spring Hill, FL 34609
- Phone
- (352) 666-9898
- Enumerated
- Mar 19, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (352) 684-0130
- Entity
- Type 1 · individual
8 nearest dentist records → All 6,155 in Florida → Look up another NPI →
Also registered at 3429 Mariner Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Congemi, DMDGeneral Practice Dentistry1730609793
- Ronald Dalleske, D.D.S.General Practice Dentistry1346351046
Verify Brian P. Osullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license DN11137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average dentist in 2024
32 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate25 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.
Brian P. Osullivan among 6,155 dentist records in Florida
Brian P. Osullivan, DMD 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 updated2007 · 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).
26 dentist records list a practice address in Spring Hill
They are 26 of the 1,461 NPPES records with a practice address in Spring Hill, and 6,155 dentist records in Florida.
All 6,155 in Florida → Every provider in Spring Hill → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Rana Abraham, DMDSpring Hill, FL 346091821820655
- Yasel Almeida RegueiroSpring Hill, FL 346091376172940
- David Jensen, DDSSpring Hill, FL 346091366646333
- Eric Jensen, DMDSpring Hill, FL 346091346620812
- Thi LeSpring Hill, FL 346091437831666
- Joseph Massey, DMDSpring Hill, FL 346091487007795
- Ashley Massey, DMDSpring Hill, FL 346091043663347
- Hanya Muftah, DMDSpring Hill, FL 346091265310163
Common questions
What is Brian P. Osullivan, DMD's NPI number?
Brian P. Osullivan, DMD's National Provider Identifier (NPI) is 1134243553, issued on Mar 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brian P. Osullivan, DMD located?
The NPPES record lists a practice address at 3429 Mariner Blvd, Spring Hill, FL, 34609. Phone: (352) 666-9898. Providers update this record themselves, so call before visiting.
How can I verify Brian P. Osullivan, DMD's license?
NPPES lists Florida license number DN11137, 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 Brian P. Osullivan, DMD prescribe under Medicare Part D?
In 2024, Brian P. Osullivan, DMD had 32 Medicare Part D claims; 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.