Brian Christopher McMaster, DO
Emergency Medicine Physician · Orlando, FL
Brian Christopher McMaster, DO is an emergency medicine physician with a practice address in Orlando, Florida, and NPI 1427403591, issued on Apr 26, 2016. Check the license (Florida OS15539, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Brian Christopher McMaster
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS15539 FL
Self-reported in NPPES; status is on the state search - Practice location
- 855 Outer RD, Orlando, FL 32814
- Phone
- (407) 579-3927
- Enumerated
- Apr 26, 2016
- Record last updated
- Jul 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20190829001356); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,034 in Florida → Look up another NPI →
Verify Brian Christopher McMaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS15539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average emergency medicine physician in 2024
131 Medicare Part D claims for 111 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen19 claims
- Cephalexin16 claims
- Prednisone15 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $141.82
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 12,335 providers of this specialty with any payment received $953.79 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 2 group practices
- Florida Emergency Physicians Kang And Associates MD LLCWinter Park, FL
- Guidewell Emergency Medicine Doctors, LLCWinter Park, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Christopher McMaster among 4,034 emergency medicine physician records in Florida
Brian Christopher McMaster, DO is one of 4,034 emergency medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 69% of them.
- NPI issued2016 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2016 · median 2013 among the 2,199 with a school on file
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
314 emergency medicine physician records list a practice address in Orlando
They are 314 of the 25,426 NPPES records with a practice address in Orlando, and 4,034 emergency medicine physician records in Florida.
All 4,034 in Florida → Every provider in Orlando → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Stephanie Burgos, M.D.Orlando, FL 328121366731846
- Rami Bustami, MDOrlando, FL 328121275150732
- Joshua Briscoe, MDOrlando, FL 328111609027200
- Bryan Fox, MDOrlando, FL 328111770621898
- George Ralls, MDOrlando, FL 328111265409239
- Mark Trach, MDOrlando, FL 328171215045984
- Victor Young, D.O.Orlando, FL 328171205822087
- Steven Corbett, MDOrlando, FL 328191104865864
Common questions
What is Brian Christopher McMaster, DO's NPI number?
Brian Christopher McMaster, DO's National Provider Identifier (NPI) is 1427403591, issued on Apr 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brian Christopher McMaster, DO located?
The NPPES record lists a practice address at 855 Outer RD, Orlando, FL, 32814. Phone: (407) 579-3927. Providers update this record themselves, so call before visiting.
How can I verify Brian Christopher McMaster, DO's license?
NPPES lists Florida license number OS15539, 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 Christopher McMaster, DO prescribe under Medicare Part D?
In 2024, Brian Christopher McMaster, DO had 131 Medicare Part D claims for 111 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Brian Christopher McMaster, DO's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.