Quick answers
- Which hospitals does Diane E. Rosen work at?
- Medicare's official clinician data lists Diane E. Rosen at 1 hospital: Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Diane E. Rosen see patients?
- Medicare's clinician data lists 3 practice locations, including St Louis, MO, Saint Louis, MO and Hazelwood, MO. Call before your visit to confirm the address.
- What is Diane E. Rosen's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Diane E. Rosen accept Medicare assignment?
- Yes. Medicare's clinician data says Diane E. Rosen 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 Diane E. Rosen?
- (314) 251-6382, as listed in official Medicare / NPI Registry data.
- What is Diane E. Rosen's NPI number?
- 1740490879. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diane E. Rosen works
Medicare's Facility Affiliation Data lists Diane E. Rosen 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
Practice locations
Addresses where Diane E. Rosen is enrolled with Medicare (CMS data updated 2026-10-02).
- 615 S New Ballas Rd, Mercy Jfk ClinicSt Louis, MO 63141 (314) 251‑6382
- 621 S New Ballas Rd, Suite 4017bSaint Louis, MO 63141 (314) 872‑9192
- 755 Dunn Rd, Suite 130Hazelwood, MO 63042 (314) 872‑9192
Group practices
Medicare enrollment lists Diane E. Rosen as a member of these groups (CMS data updated 2026-10-02).
- Mercy Clinic East Communities571 clinicians in the group
- Mercy Hospitals East Communities98 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in St Louis
Clinicians with the same Medicare primary specialty in St Louis, MO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740490879 |
| 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