Summary

**Marissa De Freese**

Marissa De Freese is a surgeon who specializes in trauma surgery and critical care medicine. They earned their medical degree from Rutgers Robert Wood Johnson Medical School and completed residency training at Staten Island University Hospital. With 23 years of clinical experience, they have developed expertise in managing complex surgical cases and providing critical care to seriously injured patients. Marissa De Freese speaks both Chinese and English.

Their practice is affiliated with Stamford Hospital, with locations in Long Beach and Thousand Oaks, California. They treat patients with closed head injuries and traumatic brain injuries, along with those experiencing respiratory failure. De Freese performs emergency care procedures, laparoscopic surgery, and therapeutic hypothermia treatments. Their experience spans both surgical intervention and intensive care management for critically ill patients.

Overview based on verified provider data

Quick Facts

  • 23 years of experience
  • 46 insurance plans accepted
  • speaks Chinese, English
  • Staten Island University Hospital
  • 3 specialties
  • 4 areas of expertise
  • 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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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 , CAWest Hollywood , CACULVER CITY , CALong Beach , CA
Med School: Rutgers Robert Wood Johnson Medical School
Current Profile
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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

Dr. Marissa A De Freese holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at Staten Island University Hospital.

Medical School

Graduated from Rutgers Robert Wood Johnson Medical School in 2003.

NPI Number

Dr. De Freese's NPI number is 1194963462.

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Frequently Asked Questions

Does Dr. Marissa De Freese accept my insurance?
You can see the insurance plans that Dr. Marissa De Freese accepts on their Vitals profile.
How can I make an appointment with Dr. Marissa De Freese?
You can find contact information for Dr. Marissa De Freese here on Vitals.
Is Dr. Marissa De Freese accepting new patients?
Dr. Marissa De Freese has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Marissa De Freese speak?
Dr. Marissa De Freese speaks Chinese and English.
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.

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