Dr. Brian Christopher McMaster, DO
- Medicare services, 2024
- 661
- Medicare patients, 2024
- 543
- Part D claims, 2024
- 131
- Publications
- 2
- MIPS score, 2024
- 75
- Practice address
- 601 E Rollins St, Orlando, FL 32803
- Practice phone
- Call (407) 303-1976
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McMaster's professional email, personal email and mobile number
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Dr. Brian Christopher McMaster is an emergency medicine physician in Orlando, Florida
Dr. McMaster practices at AdventHealth Orlando in Orlando, Florida, part of AdventHealth.
Dr. McMaster's NPI, 1427403591, was assigned on April 26, 2016. Dr. McMaster holds Florida license OS15539.
- NPI
- 1427403591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183952179
- NPI enumeration date
- April 26, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 303-1976
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Christopher McMaster practices at AdventHealth Orlando in Orlando, Florida
Dr. McMaster's primary practice is AdventHealth Orlando, at 601 E Rollins St, Orlando, FL 32803 in Orange County. The practice phone is (407) 303-1976.
- AdventHealth Orlando601 E Rollins St, Orlando, FL 32803 · Orange CountyPhone(407) 303-1976
Source: Dmand AI Affiliation Data
Dr. Brian Christopher McMaster is affiliated with 1 site of care and 3 medical groups
Dr. McMaster's primary practice is AdventHealth Orlando in Orlando, Florida, part of AdventHealth. The medical group on file is Emergency Medicine Services of Florida. Dmand AI also links Dr. McMaster to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian Christopher McMaster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMaster practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Orlando | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian Christopher McMaster is one of 3,847 emergency medicine physicians in Florida
Emergency medicine is Dr. McMaster's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. McMaster is licensed in Florida.
Specialties and state licenses
- Emergency medicine, FloridaPrimary
Emergency medicine physicians near Dr. McMaster
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brian Christopher McMaster billed Medicare for 661 services in 2024
CMS data shows 661 Medicare services from Dr. McMaster across 6 procedure codes in 2024, for 543 Medicare patients. Medicare paid $73,319 for them.
Dr. McMaster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6602024: 57912%
- Tests and treatments
- 2023: 902024: 829%
Where Dr. McMaster's Medicare services took place, 2024
- In an office132%
- In a facility64898%
Dr. McMaster compared with the Florida median for emergency medicine physicians, 2024
- Dr. McMaster
- Florida median
- Medicare services
- 661vs 3082.1 times
- Medicare patients
- 543vs 27796% above
- Part D claims
- 50vs 8440% below
Medians across 3,699 emergency medicine physicians in Florida with Dmand AI profiles that report each measure.
Dr. McMaster's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McMaster and other emergency medicine physicians in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian Christopher McMaster treated 543 Medicare patients in 2024, average age 78
CMS counts 543 Medicare patients who saw Dr. McMaster in 2024. The largest group is 75 to 84, with 188 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McMaster's median patient age at 45, with 61% women.
Dr. McMaster's Medicare patients by age, 2024
Dr. McMaster's Medicare patients by sex, 2024
- Women32660%
- Men21740%
Chronic conditions among Dr. McMaster's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease53%
- Mood disorders53%
- Chronic kidney disease51%
- Anxiety48%
- Depression47%
Share of Medicare patients with each condition. A patient can have several.
Dr. McMaster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian Christopher McMaster wrote 131 Medicare Part D claims in 2024
In 2024, Dr. McMaster wrote 131 Medicare Part D claims for 111 patients. 95% of them were for generic drugs. CMS names the drug for 50 of them, across 3 drugs with 11 or more claims each, at $250 in total drug cost. In 2023, CMS named 64 claims across 3 drugs.
Dr. McMaster's Part D claims by kind of drug, 2024
- Generic124 claims95%
- Brand-name and other7 claims5%
Dr. McMaster's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. McMaster's Part D claims, 2024
- Opioids23%30 of 131 claims
- Antibiotics31%41 of 131 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 642024: 5022%
Drugs named by CMS: 3 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Brian Christopher McMaster scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. McMaster for performance year 2024, reported individually. Dr. McMaster accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Brian Christopher McMaster has 2 publications on record
Dmand AI links 2 papers to Dr. McMaster in 2019. 2019 was the busiest year, with 2. Dr. McMaster has published most often in Cureus. Dr. McMaster's most frequent co-authors are Kenneth Lee Frye, DO and Kevin Joseph Tomecsek, MD.
Dr. McMaster's most frequent co-authors
Recent publications by Dr. McMaster
See who Dr. McMaster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McMaster works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian Christopher McMaster received $733 in industry payments from 2017 to 2024
CMS Open Payments shows 12 general payments to Dr. McMaster from 8 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 97% of the total. Bristol-Myers Squibb Company paid the most, $210.
General payments to Dr. McMaster by program year, 2017 to 2024
General payments to Dr. McMaster by kind, 2017 to 2024
- Food and beverage$71397%
- Education$203%
Companies that paid Dr. McMaster the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Brian Christopher McMaster's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brian Christopher McMaster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brian Christopher McMaster's NPI number?
Dr. Brian Christopher McMaster's NPI number is 1427403591. It was assigned on April 26, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Christopher McMaster?
Dr. Brian Christopher McMaster is an emergency medicine physician in Orlando, Florida. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Brian Christopher McMaster practice?
Dr. McMaster practices at 601 E Rollins St, Orlando, FL 32803. Dr. McMaster's primary practice is AdventHealth Orlando in Orlando, Florida, part of AdventHealth. Dmand AI also links Dr. McMaster to 2 medical groups.
What is Dr. Brian Christopher McMaster's office phone number?
The practice phone on file for Dr. McMaster is (407) 303-1976.
What is Dr. Brian Christopher McMaster's medical license number?
Dr. McMaster holds Florida license OS15539.
Which hospitals is Dr. Brian Christopher McMaster affiliated with?
Dr. McMaster practices at AdventHealth Orlando in Orlando, Florida.
What medical group is Dr. Brian Christopher McMaster part of?
Dr. McMaster is linked to Emergency Medicine Services of Florida. Dmand AI links Dr. McMaster to 2 more medical groups.
Does Dr. Brian Christopher McMaster accept Medicare?
Yes. CMS data shows Dr. McMaster billed Medicare for 661 services in 2024, and Dr. McMaster accepts Medicare assignment.
What is Dr. Brian Christopher McMaster's MIPS score?
Dr. McMaster's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Brian Christopher McMaster see?
CMS counts 543 Medicare patients who saw Dr. McMaster in 2024, with an average age of 78.
Show 6 more questionsShow fewer questions
What services does Dr. Brian Christopher McMaster bill to Medicare?
In 2024, Dr. McMaster's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
What drugs does Dr. Brian Christopher McMaster prescribe most?
In 2024 Medicare Part D data, Dr. McMaster's most prescribed drugs by claims were Oxycodone-Acetaminophen, Cephalexin and Prednisone.
Has Dr. Brian Christopher McMaster received payments from drug or device companies?
CMS Open Payments shows $733 in general payments to Dr. McMaster from 8 companies from 2017 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Brian Christopher McMaster been practicing?
Dr. McMaster graduated from medical school in 2016, 10 years ago.
Does Dr. Brian Christopher McMaster do research?
Dmand AI links 2 publications to Dr. McMaster.
Who does Dr. Brian Christopher McMaster publish with?
Dr. McMaster's most frequent co-authors are Kenneth Lee Frye, DO (1 shared paper) and Kevin Joseph Tomecsek, MD (1 shared paper).
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