KF
23 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Feng, Emergency Medicine Specialist in Fullerton, CA?
Dr. Karl Feng, MD is an Emergency Medicine Specialist, who primarily practices in Fullerton, CA. He has been practicing for over 23 years and is board certified by the American Board of Emergency Medicine. Dr. Feng completed his residency at Orlando Reg Healthcare Sys, Emergency Medicine. Dr. Feng is fluent in English, and is currently seeing new patients. Dr. Feng’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. Feng’s office at (714) 992-3965.
Where did Dr. Feng go to medical school and complete their residency?
Residency: Orlando Reg Healthcare Sys, Emergency Medicine
Medical School: University of Ca, Los Angeles, Ucla Sch of Med, Los Angeles Ca
Is Dr. Feng board certified in Emergency Medicine Specialist?
Yes, Dr. Karl Feng, MD is board certified by the American Board of Emergency Medicine
What languages does Dr. Feng speak?
Dr. Feng and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Feng treat?
As a Emergency Medicine Specialist, Dr. Feng 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. Feng. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Muscle Weakness
- Muscle Disorder
- Loss of strength
- Fatigue
- Muscle fatigue
ICD-10 Codes:
- R531: Weakness
Also known as:
- Fast Heartbeat
- Atrial Fibrillation
- Heart Palpitations
- Arrhythmia
- Tachycardia
- Rapid heart rate
- Racing heart
- Afib
- A-fib
- Irregular heart rhythm
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- R000: Tachycardia, unspecified
- I4891: Unspecified atrial fibrillation
- R002: Palpitations
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Abdominal Pain
- Upper Middle Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
- R1013: Epigastric pain
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:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Headache
- Head pain
- Cephalalgia
- Tension headache
ICD-10 Codes:
- R519: Headache, unspecified
Also known as:
- Bronchitis
- Bronchial Disorder
- Chest cold
- Inflammation of bronchial tubes
- Acute bronchitis
ICD-10 Codes:
- J40: Bronchitis, not specified as acute or chronic
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- Non-Infectious Gastroenteritis and Colitis
- Digestive Disease
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Which procedures does Dr. Feng perform as a Emergency Medicine Specialist?
As a Emergency Medicine Specialist, procedures performed by an Dr. Karl Feng may include:
- Emergency Consultation
- Emergency Follow Up
- Emergency Medicine Consultation
- Removal of Foreign Object from Body
- Urgent Care Consultation
- Urgent Care Follow Up
For detailed information, please contact Dr. Feng's office.
Does Dr. Feng accept my insurance?
Dr. Feng accepts most major insurance plans. Important: Please call our office at (714) 992-3965 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Feng accept in Fullerton, CA?
Dr. Feng in Fullerton, 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
CalOptima
Centene
City of Los Angeles
Elevance Health Inc. (formerly Anthem)
Kaiser Permanente
Medicare
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Feng's office located?
Dr. Karl Feng's Primary Practice
101 E Valencia Mesa Dr
Fullerton, CA 92835
(714) 992-3965
What is Dr. Feng's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Feng's National Provider Identifier (NPI) number is 1306875190.
What common questions do patients ask about Dr. Feng?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Feng
What is Dr. Karl Feng's specialty?
Dr. Feng is a Emergency Medicine Specialist near Fullerton, CA. An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries. Contact Dr. Feng to book an appointment today.
Is this Dr. Karl Feng affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Feng is affiliated with Providence St. Jude Medical Center, Providence St. Jude Medical Center, Providence St. Jude 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 Emergency Medicine Specialist?
Explore Emergency Medicine Specialist 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 Karl Feng accepting new patients in Fullerton, CA?
Yes, Dr. Karl Feng is accepting new patients at this time.
Does Dr. Karl Feng offer online booking?
Please contact Dr. Feng's office at (714) 992-3965 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Karl Feng?
Please contact Dr. Feng's office at (714) 992-3965 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Karl Feng have?
Dr. Karl Feng is certified by the American Board of Emergency Medicine.
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