Quick answers
- Which hospitals does Waldo Avello work at?
- Medicare's official clinician data lists Waldo Avello at 2 hospitals: Essentia Health and Essentia Health St Mary's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Waldo Avello see patients?
- Medicare's clinician data lists 2 practice locations, including Fargo, ND and Duluth, MN. Call before your visit to confirm the address.
- What is Waldo Avello's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Waldo Avello accept Medicare assignment?
- Yes. Medicare's clinician data says Waldo Avello 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 Waldo Avello?
- (701) 364-8000, as listed in official Medicare / NPI Registry data.
- What is Waldo Avello's NPI number?
- 1922057322. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Waldo Avello works
Medicare's Facility Affiliation Data lists Waldo Avello at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Essentia HealthFargo, ND · Acute Care Hospital · CCN 350070
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · CCN 240002
Practice locations
Addresses where Waldo Avello is enrolled with Medicare (CMS data updated 2026-10-02).
- 3000 32nd Ave SFargo, ND 58103 (701) 364‑8000
- 420 E 1st StDuluth, MN 55805 (218) 786‑8364
Group practices
Medicare enrollment lists Waldo Avello as a member of these groups (CMS data updated 2026-10-02).
- The Duluth Clinic Ltd1,144 clinicians in the group
- Innovis Health LLC559 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Fargo
Clinicians with the same Medicare primary specialty in Fargo, ND — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922057322 |
| 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