Brian O'Halloran, D.O.
Family Medicine Physician · Port Charlotte, FL
Brian O'Halloran, D.O. is a family medicine physician with a practice address in Port Charlotte, Florida, and NPI 1427085687, issued on Jun 26, 2006. Check the license (Florida OS9013, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Brian O'Halloran
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS9013 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4265 Tamiami Trl, Port Charlotte, FL 33980
- Phone
- (941) 420-8414
- Enumerated
- Jun 26, 2006
- Record last updated
- Feb 10, 2026
- Fax
- (888) 355-7010
- Medicare enrollment
- Enrolled (PECOS I20051015000051); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Also registered at 4265 Tamiami Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Victoria SweetPharmacist1427673003
Verify Brian O'Halloran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS9013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,273 Medicare Part D claims for 774 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 176 claims were for opioids.
Most prescribed
- Atorvastatin Calcium483 claims
- Levothyroxine Sodium411 claims
- Lisinopril354 claims
- Amlodipine Besylate313 claims
- Rosuvastatin Calcium255 claims
- Losartan Potassium250 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.
Bills Medicare through one group practice
- Optumcare Florida, LLCRuskin, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian O'Halloran among 9,399 family medicine physician records in Florida
Brian O'Halloran, D.O. is one of 9,399 family medicine physician records with a practice address in Florida. 79% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2002 · median 2004 among the 5,504 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 family medicine physician records list a practice address in Port Charlotte
They are 48 of the 1,685 NPPES records with a practice address in Port Charlotte, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in Port Charlotte → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ida Gagliardi, M.D.Port Charlotte, FL 339801760488464
- Elena Herschdorfer, DOPort Charlotte, FL 339801548772650
- Lisa Mattingly, MDPort Charlotte, FL 339801104186907
- Alexander Serbanescu, M.D.Port Charlotte, FL 339801861875643
- April Burton, DOPunta Gorda, FL 339821225779937
- Emil Dameff, M.D.Punta Gorda, FL 339821811035314
- Mitchell Fadley, DOPunta Gorda, FL 339821760056980
- Lili Lustig, D.O.Punta Gorda, FL 339821669613592
Common questions
What is Brian O'Halloran, D.O.'s NPI number?
Brian O'Halloran, D.O.'s National Provider Identifier (NPI) is 1427085687, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian O'Halloran, D.O. located?
The NPPES record lists a practice address at 4265 Tamiami Trl, Port Charlotte, FL, 33980. Phone: (941) 420-8414. Providers update this record themselves, so call before visiting.
How can I verify Brian O'Halloran, D.O.'s license?
NPPES lists Florida license number OS9013, 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 O'Halloran, D.O. prescribe under Medicare Part D?
In 2024, Brian O'Halloran, D.O. had 9,273 Medicare Part D claims for 774 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.