Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Michael Mostyn, MD

Sees patients in Coachella, CA · Indio, CA · California

Summary

Michael Mostyn, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Coachella, CA and Indio, CA. NPI 1235166059. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Mostyn, 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
YesOffers telehealth
47Years since medical school (graduated 1979)
MaleGender (as listed)
Coachella Valley Care Medical Associates IncGroup practice (+1 more)

Quick answers

Where does Michael Mostyn see patients?
Medicare's clinician data lists 2 practice locations, including Coachella, CA and Indio, CA. Call before your visit to confirm the address.
What is Michael Mostyn's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Michael Mostyn accept Medicare assignment?
Yes. Medicare's clinician data says Michael Mostyn 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.
Does Michael Mostyn offer telehealth?
Medicare's clinician data says Michael Mostyn offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Michael Mostyn?
(760) 775-4181, as listed in official Medicare / NPI Registry data.
What is Michael Mostyn's NPI number?
1235166059. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Michael Mostyn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Coachella Valley Care Medical Associates Inc3 clinicians in the group
  • Indio Emergency Medical Group Inc3 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All internal medicine doctors in California →

Clinician information

CredentialMD
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235166059
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians