Briana O'Neill
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Briana O'Neill's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Briana O'Neill is a physician assistant in Boston, Massachusetts
Briana O'Neill practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Briana O'Neill's NPI, 1245109750, was assigned on November 3, 2025. Briana O'Neill holds Massachusetts license PA102273.
- NPI
- 1245109750NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123513249
- NPI enumeration date
- November 3, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Briana O'Neill practices at Massachusetts General Hospital in Boston, Massachusetts
Briana O'Neill's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Briana O'Neill is affiliated with 1 site of care and 2 medical groups
Briana O'Neill's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Briana O'Neill to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Briana O'Neill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Briana O'Neill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Briana O'Neill is one of 3,922 physician assistants in Massachusetts
Physician assistant is Briana O'Neill's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Briana O'Neill is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near Briana O'Neill
Counts of physician assistants 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
How Briana O'Neill takes part in Medicare
Briana O'Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Briana O'Neill'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Briana O'Neill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Briana O'Neill's NPI number?
Briana O'Neill's NPI number is 1245109750. It was assigned on November 3, 2025, and it is active in the NPI Registry.
What does Briana O'Neill specialize in?
Briana O'Neill is a physician assistant in Boston, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Briana O'Neill practice?
Briana O'Neill practices at 55 Fruit Street, Boston, MA 02114. Briana O'Neill's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Briana O'Neill to 1 medical group.
What is Briana O'Neill's office phone number?
The practice phone on file for Briana O'Neill is (617) 726-2000.
What is Briana O'Neill's medical license number?
Briana O'Neill holds Massachusetts license PA102273, one of 2 state licenses on file.
Which hospitals is Briana O'Neill affiliated with?
Briana O'Neill practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Briana O'Neill part of?
Briana O'Neill is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Briana O'Neill to 1 more medical group.
Does Briana O'Neill accept Medicare?
Yes. CMS lists Briana O'Neill as accepting Medicare assignment.
How long has Briana O'Neill been practicing?
Briana O'Neill's NPI was assigned in 2025.
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