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Endocrinology

Luis Casas, MD

Works at hospitals in Bemidji, MN · Bismarck, ND · Fargo, ND · Minnesota, North Dakota

Summary

Luis Casas, MD (Endocrinology) is listed by Medicare at 3 hospitals in Bemidji, MN, Bismarck, ND and Fargo, ND. NPI 1679541841. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Luis Casas, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of Oklahoma College Of MedicineMedical school
MaleGender (as listed)
Sanford Medical Center FargoGroup practice (+2 more)

Quick answers

Which hospitals does Luis Casas work at?
Medicare's official clinician data lists Luis Casas at 3 hospitals: Sanford Bemidji Medical Center, Sanford Medical Center Bismarck and Sanford Medical Center Fargo. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Luis Casas see patients?
Medicare's clinician data lists 8 practice locations, including West Fargo, ND, Hawley, MN and Bemidji, MN. Call before your visit to confirm the address.
What is Luis Casas's specialty?
Medicare lists Endocrinology as the primary specialty, and also Pediatric Medicine.
Does Luis Casas accept Medicare assignment?
Yes. Medicare's clinician data says Luis Casas 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 Luis Casas?
(701) 234-4445, as listed in official Medicare / NPI Registry data.
What is Luis Casas's NPI number?
1679541841. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Luis Casas works

Medicare's Facility Affiliation Data lists Luis Casas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Luis Casas is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Luis Casas as a member of these groups (CMS data updated 2026-10-02).

  • Sanford Medical Center Fargo1,225 clinicians in the group
  • Sanford Bismarck556 clinicians in the group
  • Sanford Health of Northern Minnesota343 clinicians in the group

Specialties

Find other Endocrinology doctors in North Dakota →

Other endocrinologists in West Fargo

Clinicians with the same Medicare primary specialty in West Fargo, ND — not a recommendation.

All endocrinologists in West Fargo →

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679541841
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians