Quick answers
- Which hospitals does Daniel E. Obrien work at?
- Medicare's official clinician data lists Daniel E. Obrien at 3 hospitals: OSF Heart of Mary Medical Center, OSF Sacred Heart Medical Center and OSF Saint Katharine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel E. Obrien see patients?
- Medicare's clinician data lists 1 practice location in Dixon, IL. Call before your visit to confirm the address.
- What is Daniel E. Obrien's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also Internal Medicine and Pediatric Medicine.
- Does Daniel E. Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel E. Obrien accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Daniel E. Obrien?
- (815) 288-5531, as listed in official Medicare / NPI Registry data.
- What is Daniel E. Obrien's NPI number?
- 1275741829. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel E. Obrien works
Medicare's Facility Affiliation Data lists Daniel E. Obrien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OSF Heart of Mary Medical CenterUrbana, IL · Acute Care Hospital · CCN 140113
- OSF Sacred Heart Medical CenterDanville, IL · Acute Care Hospital · CCN 140093
- OSF Saint Katharine Medical CenterDixon, IL · Acute Care Hospital · CCN 140012
Practice locations
Addresses where Daniel E. Obrien is enrolled with Medicare (CMS data updated 2026-10-02).
- 403 E 1st StDixon, IL 61021 (815) 288‑5531
Group practices
Medicare enrollment lists Daniel E. Obrien as a member of this group (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
- Emergency Medicineprimary
- Internal Medicinealso
- Pediatric Medicinealso
Other emergency medicine doctors in Dixon
Clinicians with the same Medicare primary specialty in Dixon, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275741829 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians