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

Internal Medicine

Katayun Saadai, MD

Works at hospitals in Orange, CA · California

Summary

Katayun Saadai, MD (Internal Medicine) is listed by Medicare at 1 hospital in Orange, CA. NPI 1225358989. 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 Katayun Saadai, 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
YesOffers telehealth
30Years since medical school (graduated 1996)
University Of California - School Of OptometryMedical school
FemaleGender (as listed)
Chest and Critical Care Consultants a Medical GroupGroup practice (+1 more)

Quick answers

Which hospitals does Katayun Saadai work at?
Medicare's official clinician data lists Katayun Saadai at 1 hospital: Providence St. Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katayun Saadai see patients?
Medicare's clinician data lists 3 practice locations, including Orange, CA, Placentia, CA and Santa Ana, CA. Call before your visit to confirm the address.
What is Katayun Saadai's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Katayun Saadai accept Medicare assignment?
Yes. Medicare's clinician data says Katayun Saadai 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.
Does Katayun Saadai offer telehealth?
Medicare's clinician data says Katayun Saadai offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Katayun Saadai?
(714) 361-6600, as listed in official Medicare / NPI Registry data.
What is Katayun Saadai's NPI number?
1225358989. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katayun Saadai works

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

Group practices

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

  • Chest and Critical Care Consultants a Medical Group71 clinicians in the group
  • Comprehensive Pulmonary and Primary Care of Orange County9 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Orange

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

All internal medicine doctors in Orange →

Clinician information

CredentialMD
Medical schoolUniversity Of California - School Of Optometry
Graduation year1996
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225358989
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