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

Physical Medicine and Rehabilitation

Tiva Hanjan, MD

Works at hospitals in Mission Viejo, CA · California

Summary

Tiva Hanjan, MD (Physical Medicine and Rehabilitation) is listed by Medicare at 1 hospital in Mission Viejo, CA. NPI 1689729253. 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 Tiva Hanjan, 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

Physical Medicine and RehabilitationPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
Stanford University School Of MedicineMedical school
MaleGender (as listed)
Community Orthopedic Medical GroupGroup practice

Quick answers

Which hospitals does Tiva Hanjan work at?
Medicare's official clinician data lists Tiva Hanjan at 1 hospital: Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tiva Hanjan see patients?
Medicare's clinician data lists 2 practice locations, including Mission Viejo, CA. Call before your visit to confirm the address.
What is Tiva Hanjan's specialty?
Medicare lists Physical Medicine and Rehabilitation as the primary specialty, and also Interventional Pain Management.
Does Tiva Hanjan accept Medicare assignment?
Yes. Medicare's clinician data says Tiva Hanjan 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 Tiva Hanjan?
(949) 348-4000, as listed in official Medicare / NPI Registry data.
What is Tiva Hanjan's NPI number?
1689729253. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tiva Hanjan works

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

Group practices

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

  • Community Orthopedic Medical Group17 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in California →

Other rehabilitation doctors in Mission Viejo

Clinicians with the same Medicare primary specialty in Mission Viejo, CA — not a recommendation.

All rehabilitation doctors in Mission Viejo →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689729253
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