Quick answers
- Which hospitals does Natalie A. Ostro work at?
- Medicare's official clinician data lists Natalie A. Ostro at 1 hospital: Baxter Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Natalie A. Ostro see patients?
- Medicare's clinician data lists 2 practice locations, including Harrison, AR and Mountain Home, AR. Call before your visit to confirm the address.
- What is Natalie A. Ostro's specialty?
- Medicare lists Thoracic Surgery as the primary specialty.
- Does Natalie A. Ostro accept Medicare assignment?
- Yes. Medicare's clinician data says Natalie A. Ostro 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 Natalie A. Ostro?
- (870) 508-3200, as listed in official Medicare / NPI Registry data.
- What is Natalie A. Ostro's NPI number?
- 1124415583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Natalie A. Ostro works
Medicare's Facility Affiliation Data lists Natalie A. Ostro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baxter HealthMountain Home, AR · Acute Care Hospital · CCN 040027
Practice locations
Addresses where Natalie A. Ostro is enrolled with Medicare (CMS data updated 2026-10-02).
- 1420 65 N US, 5 Baxter Health Heart and VascularHarrison, AR 72601 (870) 508‑3200
- 628 Hospital Dr, E 1Mountain Home, AR 72653 (870) 425‑3291
Group practices
Medicare enrollment lists Natalie A. Ostro as a member of this group (CMS data updated 2026-10-02).
- Baxter County Regional Hospital Inc77 clinicians in the group
Specialties
- Thoracic Surgeryprimary
Other thoracic surgeons in Arkansas
Clinicians with the same Medicare primary specialty in Arkansas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124415583 |
| 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