Elle E. O'Brien
- Medicare patients, 2026
- 32
- Part D claims, 2026
- 73
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 1653 West Congress Parkway, Chicago, IL 60612
- Practice phone
- Call (312) 942-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Elle 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.
Elle E. O'Brien is a physician assistant in Chicago, Illinois
Elle O'Brien practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.
Elle O'Brien's NPI, 1881348092, was assigned on February 7, 2022. Elle O'Brien holds Illinois license 085-008813.
- NPI
- 1881348092NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769876812
- NPI enumeration date
- February 7, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 942-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Elle E. O'Brien practices at Rush University Medical Center in Chicago, Illinois
Elle O'Brien's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.
- Rush University Medical Center1653 West Congress Parkway, Chicago, IL 60612 · Cook CountyPhone(312) 942-5000
Source: Dmand AI Affiliation Data
Elle E. O'Brien is affiliated with 2 sites of care and 2 medical groups
Elle O'Brien's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. The medical group on file is Rush University Internists. Dmand AI also links Elle O'Brien to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Elle E. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Elle O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rush University Medical Center | Available with a free account |
| +1 more site and 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 Rush System for Health and 6.2K+ hospitals, with verified contacts in the same login.
Elle E. O'Brien is one of 4,299 physician assistants in Illinois
Physician assistant is Elle O'Brien's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Elle O'Brien is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Elle O'Brien
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
Elle E. O'Brien treated 32 Medicare patients in 2026, average age 69
CMS counts 32 Medicare patients who saw Elle O'Brien in 2026. 75% of them have high blood pressure, and 72% have high cholesterol. Their average risk score is 2.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Elle O'Brien's median patient age at 67, with 55% women.
Elle O'Brien's Medicare patients by sex, 2026
- Women1959%
- Men1341%
Chronic conditions among Elle O'Brien's Medicare patients, 2026
- High blood pressure75%
- High cholesterol72%
- Arthritis50%
- Ischemic heart disease50%
- Chronic kidney disease44%
- Diabetes44%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Elle 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 67
Patient panel by sex, all payers
- Women55%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Elle E. O'Brien wrote 73 Medicare Part D claims in 2026
In 2026, Elle O'Brien wrote 73 Medicare Part D claims for 19 patients. 84% of them were for generic drugs.
Elle O'Brien's Part D claims by kind of drug, 2026
- Generic61 claims84%
- Brand-name12 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data
How Elle E. O'Brien takes part in Medicare
Elle O'Brien 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)
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.
Sources for Elle 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 | 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) |
| 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 Elle 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 Elle E. O'Brien's NPI number?
Elle E. O'Brien's NPI number is 1881348092. It was assigned on February 7, 2022, and it is active in the NPI Registry.
What does Elle E. O'Brien specialize in?
Elle E. O'Brien is a physician assistant in Chicago, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Elle E. O'Brien practice?
Elle O'Brien practices at 1653 West Congress Parkway, Chicago, IL 60612. Elle O'Brien's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dmand AI also links Elle O'Brien to 1 group practice or clinic and 1 medical group, and a free account names each one.
What is Elle E. O'Brien's office phone number?
The practice phone on file for Elle O'Brien is (312) 942-5000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Elle E. O'Brien's email address?
Dmand AI checks professional and personal email addresses for Elle O'Brien through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Elle E. O'Brien's medical license number?
Elle O'Brien holds Illinois license 085-008813.
Which hospitals is Elle E. O'Brien affiliated with?
Elle O'Brien practices at Rush University Medical Center in Chicago, Illinois.
What medical group is Elle E. O'Brien part of?
Elle O'Brien is linked to Rush University Internists. Dmand AI links Elle O'Brien to 1 more medical group, named with a free account.
Who does Elle E. O'Brien practice with?
Dmand AI links 1,886 HCPs to Elle O'Brien's primary medical group, 140 of them physician assistants. A free account lists them, with verified contacts.
Does Elle E. O'Brien accept Medicare?
Yes. CMS lists Elle O'Brien as accepting Medicare assignment.
Show 3 more questionsShow fewer questions
How many Medicare patients does Elle E. O'Brien see?
CMS counts 32 Medicare patients who saw Elle O'Brien in 2026, with an average age of 69.
How long has Elle E. O'Brien been practicing?
Elle O'Brien graduated from medical school in 2021, 5 years ago.
What EHR does Elle E. O'Brien's practice use?
Dmand AI tracks the EHR system at Rush University Medical Center and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.
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