Summary

Marissa De Freese earned their medical degree from Rutgers Robert Wood Johnson Medical School and completed residency training at Staten Island University Hospital. They specialize in surgery, trauma surgery, and critical care medicine, bringing 23 years of experience to their practice. De Freese speaks both Chinese and English.

De Freese practices at Stamford Hospital and provides care at locations in Long Beach and Thousand Oaks, California. They treat patients with serious conditions including closed head injuries, traumatic brain injuries, and respiratory failure. Their expertise includes performing therapeutic hypothermia procedures and chest imaging studies to diagnose and monitor patient conditions.

AI-generated from data on this provider profile.

Quick Facts

  • 23 years of experience
  • 46 insurance plans accepted
  • speaks Chinese, English
  • Staten Island University Hospital
  • 3 specialties
  • 4 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 2 office locations

Office Locations

Dr. Marissa A De Freese has 2 locations

Los Robles Regional Medical Center

215 W Janss RdThousand Oaks, CA 91360

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Dr. Marissa A De Freese, MDLily Alexandra TranEvelyn ChangBrandy Nichole Wilt
SurgeryNurse PractitionerNurse PractitionerNurse Practitioner
23 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Chinese, English
Long Beach , CALong Beach , CAWest Hollywood , CAGardena , CA
Med School: Rutgers Robert Wood Johnson Medical School
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Marissa A De Freese

  • AARP
  • Adventist Health
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • AmeriGroup
  • Anthem Blue Cross
  • Aspire Health Plan
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • Bright Health
  • CalOptima
  • Cigna
  • Contra Costa Health Plan
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Imperial Health Plan of California
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • L.A. Care Health Plan - Medicare (Advantage HMO)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Oscar Health Insurance
  • Passport Health Plan (Kentucky) - Medicaid (Managed)
  • PreferredOne
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Three Rivers Providers Network (TRPN) - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare (Advantage HMO)
  • Wellcare

Medical Specialties

Dr. Marissa A De Freese has the following 3 specialties

Specialty Expertise

Dr. Marissa A De Freese has the following 4 areas of expertise

  • Critical Care Medicine
  • General Surgery
  • Surgical Critical Care (surgery)
  • Trauma Surgery

Certifications, License, & Education

23 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

Staten Island University Hospital

Medical School

Rutgers Robert Wood Johnson Medical SchoolGraduated in 2003

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Frequently Asked Questions

What languages does Dr. Marissa De Freese speak?
Dr. Marissa De Freese speaks Chinese and English.
Which hospitals is Dr. Marissa De Freese affiliated with?
Dr. Marissa De Freese is affiliated with Stamford Hospital.
How can I make an appointment with Dr. Marissa De Freese?
You can find contact information for Dr. Marissa De Freese here on Vitals.
Does Dr. Marissa De Freese accept virtual/telehealth appointments?
Dr. Marissa De Freese has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Marissa De Freese accept my insurance?
You can see the insurance plans that Dr. Marissa De Freese accepts on their Vitals profile.

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