Quick answers
- Which hospitals does Barbara A. Obrien work at?
- Medicare's official clinician data lists Barbara A. Obrien at 3 hospitals: Mercy Hospital St Louis, Missouri Baptist Medical Center and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Barbara A. Obrien see patients?
- Medicare's clinician data lists 3 practice locations, including Ballwin, MO and Ellisville, MO. Call before your visit to confirm the address.
- What is Barbara A. Obrien's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Barbara A. Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Barbara A. 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.
- Does Barbara A. Obrien offer telehealth?
- Medicare's clinician data says Barbara A. Obrien offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Barbara A. Obrien?
- (636) 220-6969, as listed in official Medicare / NPI Registry data.
- What is Barbara A. Obrien's NPI number?
- 1437211794. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Barbara A. Obrien works
Medicare's Facility Affiliation Data lists Barbara A. Obrien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Barbara A. Obrien is enrolled with Medicare (CMS data updated 2026-10-02).
- 15425 Manchester RdBallwin, MO 63011 (636) 220‑6969
- 15425 Manchester Rd, Suite 28Ballwin, MO 63011 (636) 220‑6969
- 225 Clarkson RdEllisville, MO 63011 (636) 685‑7715
Group practices
Medicare enrollment lists Barbara A. Obrien as a member of these groups (CMS data updated 2026-10-02).
- Physical Therapy Spine and Sports Medicine LLC129 clinicians in the group
- Westglen Family Physicians LLC8 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Ballwin
Clinicians with the same Medicare primary specialty in Ballwin, MO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437211794 |
| 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