Michael O'Brien, PA-C
Medical Physician Assistant · Orlando, FL
Michael O'Brien, PA-C is a medical physician assistant with a practice address in Orlando, Florida, and NPI 1801090121, issued on Jun 12, 2007. Check the license (Florida PA9103067, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Michael O'Brien
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA9103067 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1222 S Orange Ave, Orlando, FL 32806
- Phone
- (407) 649-6907
- Enumerated
- Jun 12, 2007
- Record last updated
- Nov 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (407) 841-2035
- Medicaid ID
- 292172300 FL
- Medicare enrollment
- Enrolled (PECOS I20191014001258); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 2,776 in Florida → Look up another NPI →
Also registered at 1222 S Orange Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Abbood, MDCardiovascular Disease Physician1750886974
- Javier Acevedo, M.D.Clinical Cardiac Electrophysiology Physician1356525596
- Elizabeth Agunloye, APRNAdult Health Nurse Practitioner1154107571
- Ololade Akintoye, M.D.Pediatric Cardiology Physician1578889721
- Kamran Akram, MDCardiovascular Disease Physician1235358557
- Alicia Albright, APRNAdult Health Nurse Practitioner1891391538
Verify Michael O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license PA9103067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average medical physician assistant in 2024
172 Medicare Part D claims for 57 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 13 claims were for opioids.
Most prescribed
- Amiodarone Hcl19 claims
- Metoprolol Tartrate19 claims
- Atorvastatin Calcium16 claims
- Potassium Chloride16 claims
- Furosemide14 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: $403.23
7 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Bills Medicare through one group practice
- Presbyterian Healthcare ServicesAlbuquerque, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael O'Brien among 2,776 medical physician assistant records in Florida
Michael O'Brien, PA-C is one of 2,776 medical physician assistant records with a practice address in Florida. 73% 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 26% of them.
- NPI issued2007 · 26% of these records are older, 66% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1999 · median 2013 among the 1,278 with a school on file
- Record last updated2016 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
279 medical physician assistant records list a practice address in Orlando
They are 279 of the 25,426 NPPES records with a practice address in Orlando, and 2,776 medical physician assistant records in Florida.
All 2,776 in Florida → Every provider in Orlando → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Laura Canning Malek, PAOrlando, FL 328061982762084
- Jason Carter, PAOrlando, FL 328061487654406
- Marizol Fontanez, PA-COrlando, FL 328061801896808
- Thomas Hines, PA-COrlando, FL 328061043282890
- Shirley Hom, PA COrlando, FL 328061972598860
- Walter Johnson, PAOrlando, FL 328061710075957
- Bethany Lam, PAOrlando, FL 328061528166550
- Todd McCoy, PA-COrlando, FL 328061508965674
Common questions
What is Michael O'Brien, PA-C's NPI number?
Michael O'Brien, PA-C's National Provider Identifier (NPI) is 1801090121, issued on Jun 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael O'Brien, PA-C located?
The NPPES record lists a practice address at 1222 S Orange Ave, Orlando, FL, 32806. Phone: (407) 649-6907. Providers update this record themselves, so call before visiting.
How can I verify Michael O'Brien, PA-C's license?
NPPES lists Florida license number PA9103067, 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 O'Brien, PA-C prescribe under Medicare Part D?
In 2024, Michael O'Brien, PA-C had 172 Medicare Part D claims for 57 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.