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

Orthopedic Surgery

Christina C. Seifert, MD

Works at hospitals in Newport Beach, CA · Anaheim, CA · California

Summary

Christina C. Seifert, MD (Orthopedic Surgery) is listed by Medicare at 2 hospitals in Newport Beach, CA and Anaheim, CA. NPI 1558781237. 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 Christina C. Seifert, 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
14Years since medical school (graduated 2012)
Tufts University School Of MedicineMedical school
FemaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Christina C. Seifert work at?
Medicare's official clinician data lists Christina C. Seifert at 2 hospitals: Hoag Memorial Hospital Presbyterian and Kaiser Foundation Hospital - Orange County - Anaheim. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christina C. Seifert see patients?
Medicare's clinician data lists 4 practice locations, including Anaheim, CA and Irvine, CA. Call before your visit to confirm the address.
What is Christina C. Seifert's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Christina C. Seifert accept Medicare assignment?
Yes. Medicare's clinician data says Christina C. Seifert 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 Christina C. Seifert?
(714) 279-6088, as listed in official Medicare / NPI Registry data.
What is Christina C. Seifert's NPI number?
1558781237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christina C. Seifert works

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

Group practices

Medicare enrollment lists Christina C. Seifert as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Anaheim

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

All orthopedic surgeons in Anaheim →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558781237
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