Quick answers
- Where does Katie Haas see patients?
- Medicare's clinician data lists 2 practice locations, including Florissant, MO and Belleville, IL. Call before your visit to confirm the address.
- What is Katie Haas's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katie Haas accept Medicare assignment?
- Yes. Medicare's clinician data says Katie Haas 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 Katie Haas?
- (314) 831-3752, as listed in official Medicare / NPI Registry data.
- What is Katie Haas's NPI number?
- 1912558446. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Katie Haas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 Garden Plaza DrFlorissant, MO 63033 (314) 831‑3752
- 4315 Memorial DrBelleville, IL 62226 (618) 619‑5000
Group practices
Medicare enrollment lists Katie Haas as a member of these groups (CMS data updated 2026-10-02).
- Physiatry Consultants of NC PLLC75 clinicians in the group
- NP Health of Mo LLC15 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Florissant
Clinicians with the same Medicare primary specialty in Florissant, MO — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912558446 |
| 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
- 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