Quick answers
- Which hospitals does Diego Marquez work at?
- Medicare's official clinician data lists Diego Marquez at 3 hospitals: Doctors Medical Center, Emanuel Medical Center and MercyOne Waterloo Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Diego Marquez see patients?
- Medicare's clinician data lists 7 practice locations, including Des Moines, IA, West Burlignton, IA and West Des Moines, IA. Call before your visit to confirm the address.
- What is Diego Marquez's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also Family Practice.
- Does Diego Marquez accept Medicare assignment?
- Yes. Medicare's clinician data says Diego Marquez 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 Diego Marquez?
- (515) 247-3121, as listed in official Medicare / NPI Registry data.
- What is Diego Marquez's NPI number?
- 1730716838. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diego Marquez works
Medicare's Facility Affiliation Data lists Diego Marquez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doctors Medical CenterModesto, CA · Acute Care Hospital · CCN 050464
- Emanuel Medical CenterTurlock, CA · Acute Care Hospital · CCN 050179
- MercyOne Waterloo Medical CenterWaterloo, IA · Acute Care Hospital · CCN 160067
Practice locations
Addresses where Diego Marquez is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1111 6th AveDes Moines, IA 50314 (515) 247‑3121
- 1221 S Gear AveWest Burlignton, IA 52655 (319) 768‑1000
- 1755 59th PlWest Des Moines, IA 50266 (515) 358‑8000
- 3421 W 9th StWaterloo, IA 50702 (319) 272‑8000
- 515 College StCedar Falls, IA 50613 (319) 268‑3000
Group practices
Medicare enrollment lists Diego Marquez as a member of these groups (CMS data updated 2026-10-02).
- Cep America - California1,292 clinicians in the group
- Southeast Iowa Regional Medical Center Inc259 clinicians in the group
- Des Moines River Physicians LLC48 clinicians in the group
- Cedar Falls Emergency Physicians, LLC20 clinicians in the group
- Waterloo Emergency Physicians, LLC20 clinicians in the group
Specialties
- Emergency Medicineprimary
- Family Practicealso
Other emergency medicine doctors in Des Moines
Clinicians with the same Medicare primary specialty in Des Moines, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730716838 |
| 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