Galen O'Neill
- Medicare patients, 2024
- 92
- Part D claims, 2024
- 470
- Hospital affiliations
- 3
- Industry payments
- $131
- Medical group
- 1
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Galen 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.
Galen O'Neill is a physician assistant in Boston, Massachusetts
Galen O'Neill practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Galen O'Neill's NPI, 1447779533, was assigned on September 11, 2017. Galen O'Neill graduated from Mercy College in 2017. Galen O'Neill holds Massachusetts license PA9119.
- NPI
- 1447779533NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567882996
- NPI enumeration date
- September 11, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Galen O'Neill practices at Brigham and Women's Hospital in Boston, Massachusetts
Galen O'Neill's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Galen O'Neill is affiliated with 4 sites of care and 1 medical group
Galen O'Neill's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Galen O'Neill is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Galen O'Neill to 1 more hospital and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Galen O'Neill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Galen O'Neill practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +3 more affiliated sites | 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.
Galen O'Neill is one of 3,922 physician assistants in Massachusetts
Physician assistant is Galen O'Neill's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Galen O'Neill is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near Galen 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
Galen O'Neill treated 92 Medicare patients in 2024, average age 71
CMS counts 92 Medicare patients who saw Galen O'Neill in 2024. The largest group is 65 to 74, with 41 patients. 74% of them have high cholesterol, and 66% have high blood pressure. 33% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Galen O'Neill's median patient age at 66, with 74% women.
Galen O'Neill's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Galen O'Neill's Medicare patients by sex, 2024
- Women6368%
- Men2932%
Chronic conditions among Galen O'Neill's Medicare patients, 2024
- High cholesterol74%
- High blood pressure66%
- Arthritis54%
- Mood disorders33%
- Anxiety30%
- Depression28%
- Ischemic heart disease24%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Galen O'Neill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women74%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Galen O'Neill wrote 470 Medicare Part D claims in 2024
In 2024, Galen O'Neill wrote 470 Medicare Part D claims for 155 patients. 84% of them were for generic drugs.
Galen O'Neill's Part D claims by kind of drug, 2024
- Generic394 claims84%
- Brand-name76 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Galen O'Neill offers telehealth to Medicare patients
Galen O'Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Galen O'Neill as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Galen O'Neill received $131 in industry payments in 2025
CMS Open Payments shows 1 general payment to Galen O'Neill from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $131.
Companies that paid Galen O'Neill the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Galen O'Neill graduated from Mercy College
Galen O'Neill graduated from Mercy College in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Galen 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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Galen 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 Galen O'Neill's NPI number?
Galen O'Neill's NPI number is 1447779533. It was assigned on September 11, 2017, and it is active in the NPI Registry.
What does Galen O'Neill specialize in?
Galen O'Neill is a physician assistant in Boston, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Galen O'Neill practice?
Galen O'Neill practices at 75 Francis Street, Boston, MA 02115. Galen O'Neill's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Galen O'Neill to 1 hospital and 1 hospital outpatient department.
What is Galen O'Neill's office phone number?
The practice phone on file for Galen O'Neill is (617) 732-5500.
What is Galen O'Neill's medical license number?
Galen O'Neill holds Massachusetts license PA9119, one of 2 state licenses on file.
Which hospitals is Galen O'Neill affiliated with?
Galen O'Neill practices at Brigham and Women's Hospital in Boston, Massachusetts. Galen O'Neill is also affiliated with Massachusetts General Hospital. Dmand AI links Galen O'Neill to 1 more hospital.
What medical group is Galen O'Neill part of?
Galen O'Neill is linked to Brigham and Women's Hospital.
Does Galen O'Neill accept Medicare?
Yes. CMS lists Galen O'Neill as accepting Medicare assignment.
Does Galen O'Neill offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Galen O'Neill as offering telehealth services.
How many Medicare patients does Galen O'Neill see?
CMS counts 92 Medicare patients who saw Galen O'Neill in 2024, with an average age of 71.
Show 3 more questionsShow fewer questions
Where did Galen O'Neill go to medical school?
Galen O'Neill graduated from Mercy College in 2017.
Has Galen O'Neill received payments from drug or device companies?
CMS Open Payments shows $131 in general payments to Galen O'Neill from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Galen O'Neill been practicing?
Galen O'Neill graduated from medical school in 2017, 9 years ago.
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