Summary

Katherine Sieu works in Walnut Creek, CA and 1 other location and specializes in Nurse Practitioner and Oncology. Katherine Sieu is affiliated with San Ramon Regional Medical Center.

Quick Facts

  • 15 insurance plans accepted
  • speaks Spanish, Russian, English
  • 2 specialties
  • 3 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Female

Office Locations

Katherine Louise Sieu has 2 locations

Contra Costa Oncology

500 Lennon LnWalnut Creek, CA 94598
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Contra Costa Oncology

1320 EL CAPITAN DR STE 330DANVILLE, CA 94526

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Katherine Louise SieuRika Win KempEkene Ezenwaka, MSN, PMHNP-BCCynthia Okojie APRN, FNP-C, PMHNP-BC
Nurse PractitionerNurse PractitionerNurse PractitionerNurse Practitioner
Accepts New Patients Accepts New Patients Accepts New Patients
2 Years of Experience 4 Years of Experience 10 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, Russian, English Speaks English, Burmese, Spanish Speaks English
Walnut Creek , CALos Altos , CAElk Grove , CAHouston , TX
Med School: Medical University of South Carolina - Charleston, SC
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Katherine Louise Sieu

  • AARP
  • Aetna
  • AltaMed Senior BuenaCare (PACE)
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Cigna
  • Contra Costa Health Plan
  • GEHA
  • Humana
  • Imperial Health Plan of California
  • Medicare
  • Medicare - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Katherine Louise Sieu has the following 2 specialties

Specialty Expertise

Katherine Louise Sieu has the following 3 areas of expertise

  • Hematology/oncology
  • Oncology
  • Registered Nurse

Certifications, License, & Education

MEDICAL LICENSE

Nurse Practitioner, California, 2026, Expired

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Frequently Asked Questions

Where is Katherine Sieu's office located?
Katherine Sieu's office is located at 500 Lennon Ln, Walnut Creek, CA, 94598.
Does Katherine Sieu accept virtual/telehealth appointments?
Katherine Sieu has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Katherine Sieu speak?
Katherine Sieu speaks Spanish, Russian, and English.
Which hospitals is Katherine Sieu affiliated with?
Katherine Sieu is affiliated with San Ramon Regional Medical Center.
Does Katherine Sieu accept my insurance?
You can see the insurance plans that Katherine Sieu accepts on their Vitals profile.

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