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.

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
  • 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, MD
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Dr. Marissa A De Freese, MDDr. Joseph KimDr. Simon Gonzalez EstevaDr. Joseph Robert Martin
SurgerySurgerySurgeryThoracic Surgery
Accepts New Patients
23 Years of Experience 3 Years of Experience 7 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Chinese, English
Long Beach , CAORANGE , CALos Angeles , CALos Angeles , CA
Med School: Rutgers Robert Wood Johnson Medical School Med School: Texas A&M University System Health Science Center College Of Medicine Med School: Mcgovern Medical School At The Univ Of Texas Health Science Ctr At Houston
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.
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.
Where is Dr. Marissa De Freese's office located?
Dr. Marissa De Freese's office is located at 2801 Atlantic Ave, Long Beach, CA, 90806.
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.

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