DR. BRIAN CHRISTOPHER MCMASTER (DO) – Emergency Medicine Physician, NPI 1427403591

DR. BRIAN CHRISTOPHER MCMASTER (DO) is a healthcare provider. based in Orlando, Florida. specializing in EMERGENCY MEDICINE. They hold the professional credentials DO. They hold a License No. OS15539 (FL). The NPI Number for DR. BRIAN CHRISTOPHER MCMASTER (DO) is 1427403591

Main info

Male
Sole Proprietor
10 Years Of Experience
Accepts Medicare Assignment
Name
DR. BRIAN CHRISTOPHER MCMASTER (DO)
NPI
1427403591
Phone
(407) 579-3927
Address
855 OUTER RD
Enumeration Date
26 April 2016
Last Update Date
15 July 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4076467000
Graduation Year
2016 (10 years ago)
PAC ID
4183952179
Group Practice PAC ID
0143113878
Professional Enrollment ID
I20190829001356
Address ID
FL327923273WI200XXAVEX402
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience44
Completeness75
Years active:10State licenses:1Digital endpointsOther names

3,232 EMERGENCY MEDICINE in FL

Provider Addresses for DR. BRIAN CHRISTOPHER MCMASTER (DO)

  • 855 OUTER RD

    ORLANDO, FL 328146652

    Phone: (407) 579-3927

    Type: Location

  • 855 Outer Rd

    Orlando, FL 328146652

    Phone: (407) 579-3927

    Type: Location

  • 5870, Hiatus Road, Tamarac, Broward County, Florida, 33321, United States

    TAMARAC, FL 333216424

    Phone:

    Type: Mailing

  • Florida Hospital Cancer Institute, 2501, North Orange Avenue, Orlando, Orange County, Florida, 32804, United States

    SUITE #235

    ORLANDO, FL 328044603

    Phone: (316) 371-7654

    Fax: (407) 303-7323

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $142.

Total Amount is formed as General ($142) + Research ($0) + Ownership ($0) = $142.

Last reported payment date: 2024-09-17 • Largest payer in this snapshot: Amgen Inc. ($122).

Total Amount

$142

General + Research + Ownership

Payments

2

Total payment records

General Amount

$142

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-09-17

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Amgen Inc.$122
CSL Behring$20
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2019-08-29

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20190829001356IEmergency MedicineFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making407381$0
99284Emergency department visit with moderate level of medical decision making136133$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only9088$0
99291Critical care, first 30-74 minutes8885$0
99283Emergency department visit with low level of medical decision making2927$0
View full utilization report →

Insurance plans in this area (ZIP 32814)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0143113878View full group profile

Reviews

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Frequently asked questions

Where can patients find DR. BRIAN CHRISTOPHER MCMASTER (DO)'s NPI?
You can confirm DR. BRIAN CHRISTOPHER MCMASTER (DO) with NPI 1427403591; it appears in the national provider directory.
Is DR. BRIAN CHRISTOPHER MCMASTER (DO)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What field does DR. BRIAN CHRISTOPHER MCMASTER (DO) work in?
You can think of DR. BRIAN CHRISTOPHER MCMASTER (DO) as practicing within Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Where does public data place DR. BRIAN CHRISTOPHER MCMASTER (DO)?
The snapshot lists Orlando, Florida for DR. BRIAN CHRISTOPHER MCMASTER (DO); download NPPES for the complete set.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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