MD
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Defreese, Critical Care Surgeon in Northridge, CA?
Dr. Marissa Defreese, MD is a Critical Care Surgeon, who primarily practices in Northridge, CA with 2 additional practice locations. She is board certified. Dr. Defreese is fluent in English, and is currently seeing new patients. Dr. Defreese’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Defreese’s office at (203) 276-5959.
What languages does Dr. Defreese speak?
Dr. Defreese and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Defreese treat?
As a Critical Care Surgeon, Dr. Defreese diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Defreese. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Traumatic Subdural Brain Bleed
- Traumatic Subarachnoid Brain Bleed
- Concussion
- Traumatic Brain Injury
- Subdural Hematoma
- Head Bleed
- Brain Hemorrhage
- Head Injury
- Subarachnoid Hemorrhage
- Mild Traumatic Brain Injury
- Brain Concussion
- Head Concussion
- Brain Bleed
- TBI
ICD-10 Codes:
- S065XAA: Traumatic subdural hemorrhage with loss of consciousness status unknown, initial encounter
- S066XAA: Traumatic subarachnoid hemorrhage with loss of consciousness status unknown, initial encounter
- S060X0A: Concussion without loss of consciousness, initial encounter
- S065X0A: Traumatic subdural hemorrhage without loss of consciousness, initial encounter
- S066X0A: Traumatic subarachnoid hemorrhage without loss of consciousness, initial encounter
Also known as:
- Multiple Broken Ribs
- Chest Injuries and Disorder
- Fractures
- Multiple Rib Fractures
- Rib Cage Fracture
- Broken Ribs
ICD-10 Codes:
- S2241XA: Multiple fractures of ribs, right side, initial encounter for closed fracture
- S2242XA: Multiple fractures of ribs, left side, initial encounter for closed fracture
- S2243XA: Multiple fractures of ribs, bilateral, initial encounter for closed fracture
Also known as:
- Acute Respiratory Failure with Low Oxygen
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestines
- Gut Blockage
ICD-10 Codes:
- K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
Also known as:
- Hip Fracture
- Fractures
- Leg Injuries and Disorder
- Broken Hip
- Thigh Bone Fracture
- Femoral Fracture
ICD-10 Codes:
- S72142A: Displaced intertrochanteric fracture of left femur, initial encounter for closed fracture
Also known as:
- Scalp Cut
- Wounds and Injuries
- Scalp laceration
- Deep scalp cut
- Head cut
ICD-10 Codes:
- S0101XA: Laceration without foreign body of scalp, initial encounter
Also known as:
- Right Hip Fracture
- Fractures
- Leg Injuries and Disorder
- Broken Hip
- Right Femur Fracture
- Thigh Bone Break
- Hip Bone Fracture
ICD-10 Codes:
- S72141A: Displaced intertrochanteric fracture of right femur, initial encounter for closed fracture
Also known as:
- Acute Gallbladder Inflammation
- Gallbladder Disease
- Sudden Gallbladder Attack
- Acute Cholecystitis
- Sudden Gallbladder Infection
ICD-10 Codes:
- K810: Acute cholecystitis
Also known as:
- Acute Appendicitis
- Appendicitis
- Inflamed Appendix
- Sudden Appendix Inflammation
- Appendicitis Attack
ICD-10 Codes:
- K3580: Unspecified acute appendicitis
Also known as:
- Changes in Mental State
- Mental Disorder
- Confusion
- Disorientation
- Changes in awareness
ICD-10 Codes:
- R4182: Altered mental status, unspecified
Also known as:
- Concussion
- Mild Traumatic Brain Injury
- mTBI
- Brain Contusion
ICD-10 Codes:
- S060X1A: Concussion with loss of consciousness of 30 minutes or less, initial encounter
Also known as:
- Broken Hip Bone
- Fractures
- Leg Injuries and Disorder
- Hip fracture
- Femoral neck fracture
- Broken upper thigh bone
ICD-10 Codes:
- S72001A: Fracture of unspecified part of neck of right femur, initial encounter for closed fracture
Which procedures does Dr. Defreese perform as a Critical Care Surgeon?
As a Critical Care Surgeon, procedures performed by a Dr. Marissa Defreese may include:
- Abdominal Wall Reconstruction
- Amputation
- Appendicitis / Appendectomy
- Brain Aneurysm Treatment
- Brain Surgery
- Brain Tumor Evaluation
- Central Line Placement
- Cerebral Shunt
For detailed information, please contact Dr. Defreese's office.
Does Dr. Defreese accept my insurance?
Dr. Defreese accepts most major insurance plans. Important: Please call our office at (203) 276-5959 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Defreese accept in Northridge, CA?
Dr. Defreese in Northridge, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene
City of Los Angeles
Heritage Health
Medicaid
Medicare
Other Health Care Provider
Scan Health Plan
UnitedHealthcare
View All Insurances
Where is Dr. Defreese's office located?
Dr. Marissa Defreese's Primary Practice
18300 Roscoe Blvd
Northridge, CA 91325
(203) 276-5959
What is Dr. Defreese's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Defreese's National Provider Identifier (NPI) number is 1194963462.
What common questions do patients ask about Dr. Defreese?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Defreese
What is Dr. Marissa Defreese's specialty?
Dr. Defreese is a Critical Care Surgeon near Northridge, CA. A surgeon specializing in critical care medicine is an expert in managing critically ill and postoperative patients, particularly trauma victims. They are responsible to diagnose, treat, and support patients with multiple organ dysfunction. In addition to clinical care, these specialists may oversee the administration of intensive care units and coordinate patient care between the primary physician, critical care staff, and other specialists. Contact Dr. Defreese to book an appointment today.
Is this Dr. Marissa Defreese affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Defreese is affiliated with Los Robles Regional Medical Center, Dignity Health - Northridge Hospital Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Critical Care Surgeon?
Explore Critical Care Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Marissa Defreese accepting new patients in Northridge, CA?
Yes, Dr. Marissa Defreese is accepting new patients at this time.
Does Dr. Marissa Defreese offer online booking?
Please contact Dr. Defreese's office at (203) 276-5959 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Marissa Defreese?
Please contact Dr. Defreese's office at (203) 276-5959 for information regarding telehealth appointment availability or for scheduling assistance.
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