MH
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hennessy, Surgeon in Los Angeles, CA?
Dr. Morgan Hennessy, MD, PHD is a Surgeon, who primarily practices in Los Angeles, CA with 2 additional practice locations. Dr. Hennessy is fluent in English, and is currently seeing new patients. Dr. Hennessy’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hennessy’s office at (310) 423-8350.
What languages does Dr. Hennessy speak?
Dr. Hennessy and their clinical team can communicate with patients in the following languages:
English
What conditions does a Surgeon like Dr. Hennessy typically treat?
As a Surgeon, Dr. Hennessy 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. Hennessy. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Head Injury
- Head Injuries
- Head Trauma
- Cranial Injury
- Brain Injury
ICD-10 Codes:
- S0990XA: Unspecified injury of head, initial encounter
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 Appendicitis
- Appendicitis
- Inflamed Appendix
- Sudden Appendix Inflammation
- Appendicitis Attack
ICD-10 Codes:
- K3580: Unspecified acute appendicitis
What procedures does a Surgeon like Dr. Hennessy typically perform?
As a Surgeon, procedures performed by Dr. Morgan Hennessy may include:
- Abdominal Wall Reconstruction
- Amputation
- Appendicitis / Appendectomy
- Brain Aneurysm Treatment
- Brain Surgery
- Brain Tumor Evaluation
- Central Line Placement
- Cerebral Shunt
Please contact Dr. Hennessy's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Hennessy accept my insurance?
Dr. Hennessy accepts most major insurance plans. Important: Please call our office at (310) 423-8350 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hennessy accept in Los Angeles, CA?
Dr. Hennessy in Los Angeles, 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
Centene Corporation
City of Los Angeles
Kaiser Permanente
Medicare
MHH Healthcare
Other Health Care Provider
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Hennessy's office located?
Dr. Morgan Hennessy's Primary Practice
8635 W 3rd St Ste 795W
Los Angeles, CA 90048
(310) 423-8350
What is Dr. Hennessy's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hennessy's National Provider Identifier (NPI) number is 1174053318.
What common questions do patients ask about Dr. Hennessy?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hennessy
What is Dr. Morgan Hennessy's specialty?
Dr. Hennessy is a Surgeon near Los Angeles, CA.
What does a Surgeon do?
General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery.
Is this Dr. Morgan Hennessy affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hennessy is affiliated with Cedars-Sinai Medical Center, Los Angeles General Medical Center, Kaiser Permanente West Los Angeles 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
When to see a Surgeon?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Surgeon. Explore 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 Morgan Hennessy accepting new patients in Los Angeles, CA?
Yes, Dr. Morgan Hennessy is accepting new patients at this time.
Does Dr. Morgan Hennessy offer online booking?
Please contact Dr. Hennessy's office at (310) 423-8350 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Morgan Hennessy?
Please contact Dr. Hennessy's office at (310) 423-8350 for information regarding telehealth appointment availability or for scheduling assistance.
Other Surgeon Near Los Angeles, CA
KB
Dr. Katherine Blevins, MD, PHD is a Surgeon, who primarily practices in Newport Beach, CA with 1 additional practice location.
Newport Beach, CA

Surgical Oncologist
Dr. Joshua Ellenhorn, MD is a Surgical Oncologist, who primarily practices in Los Angeles, CA with 1 additional practice location. He has been practicing for over 35 years and is board certified.
Los Angeles, CA
AA
Surgeon
Dr. Alagappan Annamalai, MD is a Surgeon, who primarily practices in Alhambra, CA with 2 additional practice locations.
Alhambra, CA