Summary

Dr. Cassandra Niemi specializes in obstetrics and gynecology with advanced training in oncology, focusing on cancers affecting women's reproductive health. She earned her medical degree from the University of Michigan and completed her residency at Oregon Health & Science University School of Medicine in 2015. Dr. Niemi further refined her expertise through a fellowship at the University of Wisconsin Hospital and Clinics in 2018, bringing 15 years of comprehensive experience to her practice. She communicates with patients in English.

Dr. Niemi practices at the Providence Cancer Institute Franz Gynecologic Oncology Clinic in Portland, Oregon. She treats complex conditions including endometrial cancer and advanced cancer stages, helping patients navigate challenging diagnoses with specialized care. Her procedural expertise includes coordinating physical therapy for recovery and utilizing advanced imaging like CT scans for precise diagnosis. Patients consistently rate her care highly, with an average rating of 5.0 stars, reflecting her commitment to compassionate and thorough treatment.
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Quick Facts

  • accepting new patients
  • 5
  • 15 years of experience
  • 30 insurance plans accepted
  • speaks English
  • University of Wisconsin Hospital and Clinics
  • 126 written reviews
  • 1 award
  • 3 specialties
  • 3 areas of expertise
  • 1 office location
  • Female

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

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Dr. Cassandra M Niemi, MDDr. Lanceford Mark Chong, MDDr. Tariq Hesham Balawi, MDDr. Sue Ann Smith, MD
Obstetrics & GynecologyRadiation OncologyDiagnostic RadiologyNeonatology
Accepts New Patients Accepts New Patients
4.7 
15 Years of Experience 48 Years of Experience 23 Years of Experience 38 Years of Experience
Virtual Visit Available No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English, Arabic
Portland , ORTualatin , ORLynnwood , WABend , OR
Med School: University of Michigan Med School: University Of California San Francisco School Of Medicine Med School: University Of Jordan Faculty Of Medicine Med School: David Geffen School Of Medicine At Ucla
Current Profile
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Insurance Plans Accepted by Dr. Cassandra M Niemi

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna PROV Employee POS
  • Age Right (Marquis Advantage)
  • BCBS Federal
  • Champ VA
  • Cigna Open Access Plus
  • Cigna PPO
  • First Choice Health Network
  • Medicaid OR Plus Open Card
  • Medicare A&B
  • Moda Connexus Network
  • Providence ElderPlace PACE
  • Providence Health Plan
  • Regence BCBS EPO - Out of State
  • Regence BCBS PAR
  • Regence BCBS PPO
  • Regence BCBS PPP
  • Samaritan Health Plan Med Advantage
  • Tricare for Life
  • Tricare Prime
  • Tricare Select
  • Tricare US Family Health Plan
  • Tricare West
  • United Healthcare Charter/Charter Plus
  • United Healthcare Choice/Choice Plus
  • United Healthcare Complete Care HMO
  • United Healthcare Med Advantage HMO
  • United Healthcare Nexus ACO Network
  • United Healthcare POS
  • United Healthcare PPO
  • United Healthcare Surest

Medical Specialties

Dr. Cassandra M Niemi has the following 3 specialties

Specialty Expertise

Dr. Cassandra M Niemi has the following 3 areas of expertise

  • Gynecological Oncology
  • Gynecologist
  • Oncologist

Certifications, License, & Education

15 Years Experience

MEDICAL LICENSE

Medical Doctor, Washington, 2026, Active
Medical Doctor, Oregon, 2025, Expired

EDUCATION & TRAINING

Fellowship

University of Wisconsin Hospital and Clinics2018

Residency

Oregon Health & Science University School of Medicine2015

Medical School

University of MichiganGraduated in 2011
University of Michigan Office of the RegistrarGraduated in 2011

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Frequently Asked Questions

Is Dr. Cassandra Niemi accepting new patients?
Dr. Cassandra Niemi is accepting new patients on Vitals. View Dr. Cassandra Niemi's profile on Vitals to make an appointment.
Does Dr. Cassandra Niemi accept my insurance?
You can see the insurance plans that Dr. Cassandra Niemi accepts on their Vitals profile.
What languages does Dr. Cassandra Niemi speak?
Dr. Cassandra Niemi speaks English.
How can I make an appointment with Dr. Cassandra Niemi?
You can find contact information for Dr. Cassandra Niemi here on Vitals.
Does Dr. Cassandra Niemi accept virtual/telehealth appointments?
Yes, Dr. Cassandra Niemi accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.

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