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Orthopedic Surgery

Timothy T. Cheng, MD

Works at hospitals in Fountain Valley, CA · California

Summary

Timothy T. Cheng, MD (Orthopedic Surgery) is listed by Medicare at 1 hospital in Fountain Valley, CA. NPI 1972940872. 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 Timothy T. Cheng, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Timothy T. Cheng work at?
Medicare's official clinician data lists Timothy T. Cheng at 1 hospital: Memorialcare Orange Coast Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Timothy T. Cheng see patients?
Medicare's clinician data lists 3 practice locations, including Irvine, CA and Fountain Valley, CA. Call before your visit to confirm the address.
What is Timothy T. Cheng's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Timothy T. Cheng accept Medicare assignment?
Yes. Medicare's clinician data says Timothy T. Cheng 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 Timothy T. Cheng?
(949) 586-3200, as listed in official Medicare / NPI Registry data.
What is Timothy T. Cheng's NPI number?
1972940872. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Timothy T. Cheng works

Medicare's Facility Affiliation Data lists Timothy T. Cheng 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 Timothy T. Cheng is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Timothy T. Cheng as a member of this group (CMS data updated 2026-10-02).

  • Orthowest47 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Irvine

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

All orthopedic surgeons in Irvine →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972940872
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