Neil Patrick Brennan, APRN
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 4440 W 95th Street, Oak Lawn, IL 60453
- Practice phone
- Call (708) 684-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Neil Brennan'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.
Neil Patrick Brennan is a nurse practitioner in Oak Lawn, Illinois
Neil Brennan practices at Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health.
Neil Brennan's NPI, 1548123995, was assigned on December 3, 2025. Neil Brennan holds Illinois license 209.032809.
- NPI
- 1548123995NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911486725
- NPI enumeration date
- December 3, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 684-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Neil Patrick Brennan practices at Advocate Christ Medical Center in Oak Lawn, Illinois
Neil Brennan's primary practice is Advocate Christ Medical Center, at 4440 W 95th Street, Oak Lawn, IL 60453 in Cook County. The practice phone is (708) 684-8000.
- Advocate Christ Medical Center4440 W 95th Street, Oak Lawn, IL 60453 · Cook CountyPhone(708) 684-8000
Source: Dmand AI Affiliation Data
Neil Patrick Brennan is affiliated with 3 sites of care and 2 medical groups
Neil Brennan's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Neil Brennan to 2 more group practices and clinics 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 Neil Patrick Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Neil Brennan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Christ Medical Center | Available with a free account |
| +2 more sites 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 Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.
Neil Patrick Brennan is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Neil Brennan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Neil Brennan is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Neil Brennan
Counts of 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
Neil Patrick Brennan's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Neil Brennan's median patient age at 77, with 33% women.
Neil Brennan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
How Neil Patrick Brennan takes part in Medicare
Neil Brennan 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)
Sources for Neil Patrick Brennan'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 Data |
| 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 Neil Patrick Brennan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Neil Patrick Brennan's NPI number?
Neil Patrick Brennan's NPI number is 1548123995. It was assigned on December 3, 2025, and it is active in the NPI Registry.
What does Neil Patrick Brennan specialize in?
Neil Patrick Brennan is a nurse practitioner in Oak Lawn, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Neil Patrick Brennan practice?
Neil Brennan practices at 4440 W 95th Street, Oak Lawn, IL 60453. Neil Brennan's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dmand AI also links Neil Brennan to 2 group practices and clinics and 1 medical group.
What is Neil Patrick Brennan's office phone number?
The practice phone on file for Neil Brennan is (708) 684-8000.
What is Neil Patrick Brennan's medical license number?
Neil Brennan holds Illinois license 209.032809.
Which hospitals is Neil Patrick Brennan affiliated with?
Neil Brennan practices at Advocate Christ Medical Center in Oak Lawn, Illinois.
What medical group is Neil Patrick Brennan part of?
Neil Brennan is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Neil Brennan to 1 more medical group.
Does Neil Patrick Brennan accept Medicare?
Yes. CMS lists Neil Brennan as accepting Medicare assignment.
How long has Neil Patrick Brennan been practicing?
Neil Brennan graduated from medical school in 2025, 1 years ago.
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