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Internal Medicine

Michael Villasin, MD

Works at hospitals in Loma Linda, CA · California

Summary

Michael Villasin, MD (Internal Medicine) is listed by Medicare at 1 hospital in Loma Linda, CA. NPI 1710482963. 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 Michael Villasin, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
MaleGender (as listed)
Faculty Physicians and Surgeons of LlusmGroup practice

Quick answers

Which hospitals does Michael Villasin work at?
Medicare's official clinician data lists Michael Villasin at 1 hospital: Loma Linda University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Villasin see patients?
Medicare's clinician data lists 3 practice locations, including Loma Linda, CA and Los Angeles, CA. Call before your visit to confirm the address.
What is Michael Villasin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Michael Villasin accept Medicare assignment?
Yes. Medicare's clinician data says Michael Villasin 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 Michael Villasin's NPI number?
1710482963. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Villasin works

Medicare's Facility Affiliation Data lists Michael Villasin 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 Michael Villasin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Villasin as a member of this group (CMS data updated 2026-10-02).

  • Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Loma Linda

Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.

All internal medicine doctors in Loma Linda →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710482963
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