Quick answers
- Which hospitals does Erica Huelsmann work at?
- Medicare's official clinician data lists Erica Huelsmann at 4 hospitals: Mercy Hospital Jefferson, Mercy Hospital South, Mercy Hospital St Louis and Mercy Hospital Washington. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erica Huelsmann see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Erica Huelsmann's specialty?
- Medicare lists Gynecological Oncology as the primary specialty.
- Does Erica Huelsmann accept Medicare assignment?
- Yes. Medicare's clinician data says Erica Huelsmann 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 Erica Huelsmann offer telehealth?
- Medicare's clinician data says Erica Huelsmann offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Erica Huelsmann?
- (314) 251-4260, as listed in official Medicare / NPI Registry data.
- What is Erica Huelsmann's NPI number?
- 1093179640. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erica Huelsmann works
Medicare's Facility Affiliation Data lists Erica Huelsmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · CCN 260023
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · CCN 260052
Practice locations
Addresses where Erica Huelsmann is enrolled with Medicare (CMS data updated 2026-10-02).
- 607 S New Ballas Rd, Suite 3100Saint Louis, MO 63141 (314) 251‑4260
- 615 S New Ballas Rd AdministrationSaint Louis, MO 63141
Group practices
Medicare enrollment lists Erica Huelsmann as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Gyn Oncology LLC5 clinicians in the group
Specialties
- Gynecological Oncologyprimary
Other gynecologic oncologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093179640 |
| 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