Quick answers
- Which hospitals does Gloria Guillen work at?
- Medicare's official clinician data lists Gloria Guillen at 1 hospital: St Lukes Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gloria Guillen see patients?
- Medicare's clinician data lists 4 practice locations, including Sioux City, IA, Dubuque, IA and Lacon, IL. Call before your visit to confirm the address.
- What is Gloria Guillen's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Gloria Guillen accept Medicare assignment?
- Medicare's clinician data says Gloria Guillen may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Gloria Guillen offer telehealth?
- Medicare's clinician data says Gloria Guillen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gloria Guillen?
- (712) 279-3500, as listed in official Medicare / NPI Registry data.
- What is Gloria Guillen's NPI number?
- 1659901106. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gloria Guillen works
Medicare's Facility Affiliation Data lists Gloria Guillen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Lukes Regional Medical CenterSioux City, IA · Acute Care Hospital · CCN 160146
Practice locations
Addresses where Gloria Guillen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2720 Stone Park BlvdSioux City, IA 51104 (712) 279‑3500
- 350 N Grandview Ave, Finley Prof Serv EdDubuque, IA 52001 (563) 589‑2454
- 401 9th StLacon, IL 61540 (866) 959‑2008
- 5669 Kristi LnBettendorf, IA 52722 (319) 235‑3657
Group practices
Medicare enrollment lists Gloria Guillen as a member of these groups (CMS data updated 2026-10-02).
- Northwest Iowa Hospital Corporation160 clinicians in the group
- Allen Memorial Hospital Corporation157 clinicians in the group
- The Finley Hospital84 clinicians in the group
- Forefront-Rosenzweig Medical Services Professional Corporation38 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sioux City
Clinicians with the same Medicare primary specialty in Sioux City, IA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659901106 |
| 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