Dr. Julie E. O'Brien, MD
- Industry payments
- $827
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2300 Fall Hill Ave, Fredericksburg, VA 22401
- Practice phone
- Call (540) 741-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary Washington Healthcare Physicians
Fredericksburg, Virginia
Find Dr. O'Brien'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.
Dr. Julie E. O'Brien is a pediatrician in Fredericksburg, Virginia
Dr. O'Brien practices at Mary Washington Healthcare Physicians in Fredericksburg, Virginia.
Dr. O'Brien's NPI, 1518939438, was assigned on February 3, 2006. Dr. O'Brien graduated from Creighton University School of Medicine in 1990. Dr. O'Brien holds Colorado license 36128.
- NPI
- 1518939438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759360688
- NPI enumeration date
- February 3, 2006
- NPI status
- Active
- Practice phone
- (540) 741-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Julie E. O'Brien practices at Mary Washington Healthcare Physicians in Fredericksburg, Virginia
Dr. O'Brien's primary practice is Mary Washington Healthcare Physicians, at 2300 Fall Hill Ave, Fredericksburg, VA 22401 in Fredericksburg City. The practice phone is (540) 741-1100.
- Mary Washington Healthcare Physicians2300 Fall Hill Ave, Fredericksburg, VA 22401 · Fredericksburg CityPhone(540) 741-1100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Julie E. O'Brien is affiliated with 2 sites of care and 1 medical group
Dr. O'Brien's primary practice is Mary Washington Healthcare Physicians in Fredericksburg, Virginia. The medical group on file is Mary Washington Healthcare. Dmand AI also links Dr. O'Brien to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Julie E. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary Washington Healthcare Physicians | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Julie E. O'Brien is one of 1,669 pediatricians in Virginia
Pediatrics is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. O'Brien is licensed in Colorado.
Specialties and state licenses
- Pediatrics, ColoradoPrimary
Pediatricians near Dr. O'Brien
Counts of pediatricians 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. Julie E. O'Brien's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 9, with 47% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women47%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Julie E. O'Brien received $827 in industry payments from 2016 to 2025
CMS Open Payments shows 46 general payments to Dr. O'Brien from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. kaleo, Inc. paid the most, $149.
General payments to Dr. O'Brien by program year, 2016 to 2025
Companies that paid Dr. O'Brien the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Julie E. O'Brien graduated from Creighton University School of Medicine
Dr. O'Brien graduated from Creighton University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Julie E. O'Brien'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Dr. Julie E. O'Brien
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. Julie E. O'Brien's NPI number?
Dr. Julie E. O'Brien's NPI number is 1518939438. It was assigned on February 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Julie E. O'Brien?
Dr. Julie E. O'Brien is a pediatrician in Fredericksburg, Virginia. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Julie E. O'Brien practice?
Dr. O'Brien practices at 2300 Fall Hill Ave, Fredericksburg, VA 22401. Dr. O'Brien's primary practice is Mary Washington Healthcare Physicians in Fredericksburg, Virginia. Dmand AI also links Dr. O'Brien to 1 group practice or clinic.
What is Dr. Julie E. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (540) 741-1100.
What is Dr. Julie E. O'Brien's medical license number?
Dr. O'Brien holds Colorado license 36128.
What medical group is Dr. Julie E. O'Brien part of?
Dr. O'Brien is linked to Mary Washington Healthcare.
Where did Dr. Julie E. O'Brien go to medical school?
Dr. O'Brien graduated from Creighton University School of Medicine in 1990.
Has Dr. Julie E. O'Brien received payments from drug or device companies?
CMS Open Payments shows $827 in general payments to Dr. O'Brien from 17 companies from 2016 to 2025. The largest total came from kaleo, Inc.
How long has Dr. Julie E. O'Brien been practicing?
Dr. O'Brien graduated from medical school in 1990, 36 years ago.
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