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Neurosurgery

Mohsin Shah, MD

Works at hospitals in Colton, CA · Santa Ana, CA · Whittier, CA · California

Summary

Mohsin Shah, MD (Neurosurgery) is listed by Medicare at 3 hospitals in Colton, CA, Santa Ana, CA and Whittier, CA. NPI 1811970726. 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 Mohsin Shah, 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

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
MaleGender (as listed)
Cal Med Physicians and Surgeons IncGroup practice

Quick answers

Which hospitals does Mohsin Shah work at?
Medicare's official clinician data lists Mohsin Shah at 3 hospitals: Arrowhead Regional Medical Center, Orange County Global Medical Center and PIH Health Hospital-Whittier. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mohsin Shah see patients?
Medicare's clinician data lists 2 practice locations, including Tustin, CA and Colton, CA. Call before your visit to confirm the address.
What is Mohsin Shah's specialty?
Medicare lists Neurosurgery as the primary specialty, and also Critical Care (Intensivists), Interventional Radiology and Neurology.
Does Mohsin Shah accept Medicare assignment?
Yes. Medicare's clinician data says Mohsin Shah 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 Mohsin Shah?
(949) 870-9784, as listed in official Medicare / NPI Registry data.
What is Mohsin Shah's NPI number?
1811970726. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mohsin Shah works

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

Group practices

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

  • Cal Med Physicians and Surgeons Inc32 clinicians in the group

Specialties

Find other Neurosurgery doctors in California →

Other neurosurgeons in California

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

All neurosurgeons in California →

Clinician information

CredentialMD
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811970726
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