Edward B. O'Brian, PA
- Hospital affiliations
- 1
- Industry payments
- $86
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1880 Amherst St Ste 300 Suite 300, Winchester, VA 22601
- Practice phone
- Call (540) 536-6721
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Intensivists - Winchester (1880 Amherst St)
Multi-specialty group site · Winchester, Virginia
Find Edward O'Brian'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.
Edward B. O'Brian is a physician assistant in Washington, District of Columbia
Edward O'Brian practices at Valley Intensivists - Winchester (1880 Amherst St) in Winchester, Virginia.
Edward O'Brian's NPI, 1366643744, was assigned on May 31, 2007.
- NPI
- 1366643744NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335481050
- NPI enumeration date
- May 31, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 536-6721
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Edward B. O'Brian practices in Winchester and Washington
Edward O'Brian's primary practice is Valley Intensivists - Winchester (1880 Amherst St), at 1880 Amherst St Ste 300 Suite 300, Winchester, VA 22601. The practice phone is (540) 536-6721. The NPI Registry lists Edward O'Brian's practice address as 6900 Georgia Ave Nw, Washington, DC 20307.
- Valley Intensivists - Winchester (1880 Amherst St)Primary1880 Amherst St Ste 300 Suite 300, Winchester, VA 22601Phone(540) 536-6721
- NPI Registry address6900 Georgia Ave Nw, Washington, DC 20307
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Edward B. O'Brian is affiliated with 2 sites of care and 4 medical groups
Edward O'Brian's primary practice is Valley Intensivists - Winchester (1880 Amherst St) in Winchester, Virginia. Edward O'Brian is also affiliated with Winchester Medical Center. The medical group on file is Inova Urgent Care Center. Dmand AI also links Edward O'Brian to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Edward B. O'Brian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Edward O'Brian practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Intensivists - Winchester (1880 Amherst St) | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Edward B. O'Brian is one of 380 physician assistants in District of Columbia
Physician assistant is Edward O'Brian's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Edward O'Brian
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
Edward B. O'Brian's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Edward O'Brian's median patient age at 64, with 16% women.
Edward O'Brian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women16%
- Men78%
Source: Dmand AI Patient Panel Data
How Edward B. O'Brian takes part in Medicare
Edward O'Brian 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)
Edward B. O'Brian received $86 in industry payments in 2025
CMS Open Payments shows 1 general payment to Edward O'Brian from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bolton Medical Inc paid the most, $86.
Companies that paid Edward O'Brian the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Edward B. O'Brian'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Edward B. O'Brian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Edward B. O'Brian's NPI number?
Edward B. O'Brian's NPI number is 1366643744. It was assigned on May 31, 2007, and it is active in the NPI Registry.
What does Edward B. O'Brian specialize in?
Edward B. O'Brian is a physician assistant in Washington, District of Columbia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Edward B. O'Brian practice?
Edward O'Brian practices at 1880 Amherst St Ste 300 Suite 300, Winchester, VA 22601. Edward O'Brian also practices at 6900 Georgia Ave Nw, Washington, DC 20307. Edward O'Brian's primary practice is Valley Intensivists - Winchester (1880 Amherst St) in Winchester, Virginia. Dmand AI also links Edward O'Brian to 3 medical groups.
What is Edward B. O'Brian's office phone number?
The practice phone on file for Edward O'Brian is (540) 536-6721.
Which hospitals is Edward B. O'Brian affiliated with?
Edward O'Brian is affiliated with Winchester Medical Center.
What medical group is Edward B. O'Brian part of?
Edward O'Brian is linked to Inova Urgent Care Center. Dmand AI links Edward O'Brian to 3 more medical groups.
Does Edward B. O'Brian accept Medicare?
Yes. CMS lists Edward O'Brian as accepting Medicare assignment.
Has Edward B. O'Brian received payments from drug or device companies?
CMS Open Payments shows $86 in general payments to Edward O'Brian from 1 company from 2025 to 2025. The largest total came from Bolton Medical Inc.
How long has Edward B. O'Brian been practicing?
Edward O'Brian graduated from medical school in 1998, 28 years ago.
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