Julie L. O'Brien, APN, CNS
- Medicare patients, 2024
- 337
- Part D claims, 2024
- 6,335
- Hospital affiliations
- 1
- Industry payments
- $84
- Medical group
- 1
- Practice address
- 1800 N Knoxville Ave, Peoria, IL 61603
- Practice phone
- Call (309) 683-5050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSF Multi-Specialty Group
Peoria, Illinois
Find Julie 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.
Julie L. O'Brien is a gerontology nurse practitioner in Peoria, Illinois
Julie O'Brien practices at OSF Multi-Specialty Group in Peoria, Illinois.
Julie O'Brien's NPI, 1457485328, was assigned on March 15, 2007. Julie O'Brien holds Illinois license 209006476.
- NPI
- 1457485328NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931207446
- NPI enumeration date
- March 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (309) 683-5050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Julie L. O'Brien practices at OSF Multi-Specialty Group in Peoria, Illinois
Julie O'Brien's primary practice is OSF Multi-Specialty Group, at 1800 N Knoxville Ave, Peoria, IL 61603 in Peoria County. The practice phone is (309) 683-5050.
- OSF Multi-Specialty Group1800 N Knoxville Ave, Peoria, IL 61603 · Peoria CountyPhone(309) 683-5050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Julie L. O'Brien is affiliated with 3 sites of care and 1 medical group
Julie O'Brien's primary practice is OSF Multi-Specialty Group in Peoria, Illinois. Julie O'Brien is also affiliated with OSF Saint Francis Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Julie 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 Julie L. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Julie O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Multi-Specialty Group | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Julie L. O'Brien is one of 315 gerontology nurse practitioners in Illinois
Gerontology is Julie O'Brien's primary specialty in the NPI Registry, under taxonomy code 363LG0600X. Julie O'Brien is licensed in Illinois.
Specialties and state licenses
- Gerontology nurse practitioner, IllinoisPrimary
Gerontology nurse practitioners near Julie O'Brien
Counts of gerontology nurse practitioners 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
Julie L. O'Brien treated 337 Medicare patients in 2024, average age 72
CMS counts 337 Medicare patients who saw Julie O'Brien in 2024. The largest group is 65 to 74, with 161 patients. 75% of them have diabetes, and 75% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Julie O'Brien's median patient age at 70, with 62% women.
Julie O'Brien's Medicare patients by age, 2024
Julie O'Brien's Medicare patients by sex, 2024
- Women18956%
- Men14844%
Chronic conditions among Julie O'Brien's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease52%
- Arthritis46%
- Ischemic heart disease32%
- Mood disorders29%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Julie 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 70
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Julie L. O'Brien wrote 6,335 Medicare Part D claims in 2024
In 2024, Julie O'Brien wrote 6,335 Medicare Part D claims for 633 patients. 21% of them were for generic drugs.
Julie O'Brien's Part D claims by kind of drug, 2024
- Generic1,301 claims21%
- Brand-name4,115 claims65%
- Other919 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Julie L. O'Brien offers telehealth to Medicare patients
Julie O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Julie O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Julie L. O'Brien received $84 in industry payments in 2025
CMS Open Payments shows 6 general payments to Julie O'Brien from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $84.
Companies that paid Julie O'Brien 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 Julie L. 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 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) |
| 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 Julie L. 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 Julie L. O'Brien's NPI number?
Julie L. O'Brien's NPI number is 1457485328. It was assigned on March 15, 2007, and it is active in the NPI Registry.
What does Julie L. O'Brien specialize in?
Julie L. O'Brien is a gerontology nurse practitioner in Peoria, Illinois. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Julie L. O'Brien practice?
Julie O'Brien practices at 1800 N Knoxville Ave, Peoria, IL 61603. Julie O'Brien's primary practice is OSF Multi-Specialty Group in Peoria, Illinois. Dmand AI also links Julie O'Brien to 1 group practice or clinic.
What is Julie L. O'Brien's office phone number?
The practice phone on file for Julie O'Brien is (309) 683-5050.
What is Julie L. O'Brien's medical license number?
Julie O'Brien holds Illinois license 209006476.
Which hospitals is Julie L. O'Brien affiliated with?
Julie O'Brien is affiliated with OSF Saint Francis Medical Center.
What medical group is Julie L. O'Brien part of?
Julie O'Brien is linked to OSF Multi-Specialty Group.
Does Julie L. O'Brien accept Medicare?
Yes. CMS lists Julie O'Brien as accepting Medicare assignment.
Does Julie L. O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Julie O'Brien as offering telehealth services.
How many Medicare patients does Julie L. O'Brien see?
CMS counts 337 Medicare patients who saw Julie O'Brien in 2024, with an average age of 72.
Has Julie L. O'Brien received payments from drug or device companies?
CMS Open Payments shows $84 in general payments to Julie O'Brien from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.
How long has Julie L. O'Brien been practicing?
Julie O'Brien graduated from medical school in 1997, 29 years ago.
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