FC
Accepting patients
Who is Dr. Chen, Surgeon in Sylmar, CA?
Dr. Formosa Chen, MD is a Surgeon, who primarily practices in Sylmar, CA. She is board certified. Dr. Chen graduated from Keck School of Medicine of the University of Southern California and completed her residency at Harbor-UCLA Medical Center. Dr. Chen is fluent in English, and is currently seeing new patients. Dr. Chen’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. Chen’s office at (818) 364-3031.
Where did Dr. Chen go to medical school and complete their residency?
Residency: Harbor-UCLA Medical Center
Medical School: Keck School of Medicine of the University of Southern California
What languages does Dr. Chen speak?
Dr. Chen and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Chen treat?
As a Surgeon, Dr. Chen 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. Chen. 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:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Malignant neoplasm of colon
- Malignant neoplasm of sigmoid colon
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C189: Malignant neoplasm of colon, unspecified
- C187: Malignant neoplasm of sigmoid colon
Also known as:
- Gallstones with Acute Gallbladder Inflammation
- Acute Gallbladder Inflammation
- Bile Duct Disease
- Gallstones
- Gallbladder Disease
- Acute cholecystitis with gallstones
- Gallbladder attack with stones
- Sudden Gallbladder Attack
- Acute Cholecystitis
- Sudden Gallbladder Infection
ICD-10 Codes:
- K8000: Calculus of gallbladder with acute cholecystitis without obstruction
- K810: Acute cholecystitis
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Acute Appendicitis
- Appendicitis
- Inflamed Appendix
- Sudden Appendix Inflammation
- Appendicitis Attack
ICD-10 Codes:
- K3580: Unspecified acute appendicitis
Also known as:
- Large Intestine Diverticulitis with Perforation and Abscess
- Large Intestine Diverticulitis
- Abscess
- Diverticulosis and Diverticulitis
- Inflamed Colon Diverticula with Abscess
- Perforated Large Bowel Diverticulitis
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
ICD-10 Codes:
- K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
Also known as:
- History of large intestine cancer
- History of rectal or anal cancer
- Colorectal Cancer
- Past colon cancer
- Colorectal cancer survivor
- Previous large bowel malignancy
- Past rectal cancer
- Anal cancer survivor
- Previous rectosigmoid malignancy
ICD-10 Codes:
- Z85038: Personal history of other malignant neoplasm of large intestine
- Z85048: Personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus
Also known as:
- Digestive System Surgery Aftercare
- After Surgery
- Post-gastrointestinal surgery care
- Stomach surgery aftercare
- Bowel surgery recovery
ICD-10 Codes:
- Z48815: Encounter for surgical aftercare following surgery on the digestive system
Also known as:
- Cancer Follow-up Exam
- Cancer
- Post-cancer treatment checkup
- Malignancy surveillance
- Oncology follow-up
ICD-10 Codes:
- Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm
Also known as:
- Gallstones
- Cholelithiasis
- Gallbladder stones
- Biliary calculi
ICD-10 Codes:
- K8020: Calculus of gallbladder without cholecystitis without obstruction
Also known as:
- Other Anal and Rectal Condition
- Anal Disorder
- Rectal Disorder
- Proctitis
- Anal Disorders
- Rectal Disorders
ICD-10 Codes:
- K6289: Other specified diseases of anus and rectum
Also known as:
- Rectal Abscess
- Abscess
- Rectal Disorder
- Perirectal Abscess
- Pus Pocket in Rectum
- Rectal Infection
ICD-10 Codes:
- K611: Rectal abscess
Also known as:
- Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K648: Other hemorrhoids
Also known as:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Anal Abscess
- Abscess
- Anal Disorder
- Perianal Abscess
- Pus Pocket near Anus
- Anal Infection
ICD-10 Codes:
- K610: Anal abscess
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
What procedures does Dr. Chen perform?
As a Surgeon, Dr. Chen performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Chen. 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:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Surgical Anorectal Exam with Anesthesia
- Anesthesia
- Diagnostic anorectal exam under anesthesia
- Rectal exam with general anesthesia
- Anorectal surgery for diagnosis
CPT Codes:
- 45990: Anorectal exam, surgical, requiring anesthesia (general, spinal, or epidural), diagnostic
Does Dr. Chen accept my insurance?
Dr. Chen accepts most major insurance plans. Important: Please call our office at (818) 364-3031 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chen accept in Sylmar, CA?
Dr. Chen in Sylmar, 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
California Foundation for Medical Care
Centene
City of Los Angeles
Crown Cork and Seal Company
Medicare
Other Health Care Provider
State of Tennessee
Wisconsin Physicians Health (WPS)
View All Insurances
Where is Dr. Chen's office located?
Dr. Formosa Chen's Primary Practice
14445 Olive View Dr Rm 6B119-H
Sylmar, CA 91342
(818) 364-3031
What is Dr. Chen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chen's National Provider Identifier (NPI) number is 1568657781.
What common questions do patients ask about Dr. Chen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chen
What is Dr. Formosa Chen's specialty?
Dr. Chen is a Surgeon near Sylmar, CA. 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. Contact Dr. Chen to book an appointment today.
Is this Dr. Formosa Chen affiliated with a ranked Castle Connolly Top Hospital?
No, Chen is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Olive View - Ucla Medical Center, Harbor - Ucla Medical Center. Castle Connolly Top Hospitals 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 Surgeon?
Explore 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 Formosa Chen accepting new patients in Sylmar, CA?
Yes, Dr. Formosa Chen is accepting new patients at this time.
Does Dr. Formosa Chen offer online booking?
Please contact Dr. Chen's office at (818) 364-3031 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Formosa Chen?
Please contact Dr. Chen's office at (818) 364-3031 for information regarding telehealth appointment availability or for scheduling assistance.
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