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Internal Medicine

Wesam Houshan, MD

Sees patients in Santa Ana, CA · California

Summary

Wesam Houshan, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Santa Ana, CA. NPI 1356467112. 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 Wesam Houshan, 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
25Years since medical school (graduated 2001)
FemaleGender (as listed)
GN Medical Associates, IncGroup practice (+1 more)

Quick answers

Where does Wesam Houshan see patients?
Medicare's clinician data lists 1 practice location in Santa Ana, CA. Call before your visit to confirm the address.
What is Wesam Houshan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Wesam Houshan accept Medicare assignment?
Yes. Medicare's clinician data says Wesam Houshan 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 Wesam Houshan?
(714) 619-8777, as listed in official Medicare / NPI Registry data.
What is Wesam Houshan's NPI number?
1356467112. 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 Wesam Houshan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • GN Medical Associates, Inc39 clinicians in the group
  • Care Partners California Medical PC20 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Santa Ana

Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.

All internal medicine doctors in Santa Ana →

Clinician information

CredentialMD
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356467112
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