Quick answers
- Which hospitals does Mallory J. Henson work at?
- Medicare's official clinician data lists Mallory J. Henson at 3 hospitals: Anderson Hospital, HSHS St Elizabeth's Hospital and St Josephs Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mallory J. Henson see patients?
- Medicare's clinician data lists 4 practice locations, including Ofallon, IL, Fairview Heights, IL and Maryville, IL. Call before your visit to confirm the address.
- What is Mallory J. Henson's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mallory J. Henson accept Medicare assignment?
- Yes. Medicare's clinician data says Mallory J. Henson 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 Mallory J. Henson offer telehealth?
- Medicare's clinician data says Mallory J. Henson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mallory J. Henson?
- (618) 489-8030, as listed in official Medicare / NPI Registry data.
- What is Mallory J. Henson's NPI number?
- 1043856701. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mallory J. Henson works
Medicare's Facility Affiliation Data lists Mallory J. Henson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Anderson HospitalMaryville, IL · Acute Care Hospital · CCN 140289
- HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · CCN 140187
- St Josephs HospitalBreese, IL · Acute Care Hospital · CCN 140145
Practice locations
Addresses where Mallory J. Henson is enrolled with Medicare (CMS data updated 2026-10-02).
- 3 Saint Elizabeth Blvd, Suite 3200Ofallon, IL 62269 (618) 489‑8030
- 326 Fountains PkwyFairview Heights, IL 62208 (618) 277‑3109
- 6800 State Route 162Maryville, IL 62062 (618) 288‑5711
- 6812 State Route 162 200Maryville, IL 62062 (618) 288‑0900
Group practices
Medicare enrollment lists Mallory J. Henson as a member of these groups (CMS data updated 2026-10-02).
- Urology of St Louis Inc94 clinicians in the group
- Midwest Inpatient Anderson Health Inc46 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ofallon
Clinicians with the same Medicare primary specialty in Ofallon, IL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043856701 |
| 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