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Dr. Patrick Koo, MD

Gastroenterology
3.0 (2)
Accepting new patients
11 years of experience

Offers telehealth

Overview of Dr. Patrick Koo, MD

Dr. Patrick Koo, MD is a Gastroenterology Specialist in Fullerton, CA. They specialize in Gastroenterology, has 11 years of experience, and is board certified in Gastroenterology. They graduated from PENNSYLVANIA STATE UNIVERSITY / COLLEGE OF MEDICINE and is affiliated with Providence St. Jude Medical Center.

Dr. Koo works at St. Jude Heritage Medical Group in Fullerton, CA. They frequently treat conditions like Hemorrhoids, Diverticulitis, Intestinal and Hernia along with other conditions at varying frequencies. They are accepting new patients and accepts Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Koo's Office Locations

  1. 1
    National Ambulatory Hernia Institute
    1837 Sunny Crest Dr, Fullerton, CA 92835 Icon Directions Right Arrow Directions Phone Icon (714) 446-5831
  2. 2
    St Jude Knott Endoscopy Center
    1839 Sunny Crest Dr, Fullerton, CA 92835 Icon Directions Right Arrow Directions Phone Icon (714) 446-7021
  3. 3
    Providence St. Jude Medical Center
    101 E Valencia Mesa Dr, Fullerton, CA 92835 Icon Directions Right Arrow Directions Phone Icon (714) 871-3280
  4. 4
    St Jude Hosp Home Health Agency
    1835 SUNNY CREST DR, Fullerton, CA 92835 Icon Directions Right Arrow Directions Phone Icon (714) 446-5101

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Providence St. Jude Medical Center

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Hemorrhoids
Diverticulitis, Intestinal
Hernia

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Hemorrhoids Chevron Icon
Diverticulitis, Intestinal Chevron Icon
Hernia Chevron Icon
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Abdominal Pain Chevron Icon
Diverticulosis, Intestinal Chevron Icon
Gastritis Chevron Icon
Noninfectious Gastroenteritis and Colitis Chevron Icon
Anemia Chevron Icon
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Constipation Chevron Icon
Dysphagia Chevron Icon
Esophagitis Chevron Icon
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Gastroesophageal Reflux Disease (GERD) Chevron Icon
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Anal or Rectal Pain Chevron Icon
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Anxiety Chevron Icon
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Bronchitis Chevron Icon
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COPD (Chronic Obstructive Pulmonary Disease) Chevron Icon
Dehydration Chevron Icon
Diabetes Type 2 Chevron Icon
Diabetes With Renal Manifestations Chevron Icon
Diarrhea Chevron Icon
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Dyslipidemia Chevron Icon
Electrocardiogram (EKG) Chevron Icon
Enlarged Prostate (BPH) Chevron Icon
Enteritis Chevron Icon
Gout Chevron Icon
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Heart Disease Chevron Icon
Heartburn Chevron Icon
Hyperlipidemia Chevron Icon
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Hypokalemia Chevron Icon
Hypotension Chevron Icon
Hypotension (Excluding Maternal) Chevron Icon
Hypothyroidism Chevron Icon
Immunization Administration Chevron Icon
Influenza (Flu) Chevron Icon
Irritable Bowel Syndrome Chevron Icon
Itchy Skin Chevron Icon
Lipid Disorders Chevron Icon
Liver Damage from Alcohol Chevron Icon
Malaise and Fatigue Chevron Icon
Migraine Chevron Icon
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Mineral Metabolism Disorders Chevron Icon
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Overweight Chevron Icon
Pneumonia Chevron Icon
Polyneuropathy Chevron Icon
Polyuria Chevron Icon
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Rash Chevron Icon
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Reflux Esophagitis Chevron Icon
Secondary Hypertension Chevron Icon
Secondary Renovascular Hypertension Chevron Icon
Sleep Apnea Chevron Icon
Tobacco Use Disorder Chevron Icon
Urinary Stones Chevron Icon
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ADHD and-or ADD Chevron Icon
Adhesive Capsulitis Chevron Icon
Alkalosis Chevron Icon
Allergic Conjunctivitis Chevron Icon
Arterial Blood Gas Test (ABG) Chevron Icon
Asymptomatic Post-Menopausal Status Chevron Icon
Atherosclerosis Chevron Icon
Atrophic Vaginitis Chevron Icon
Balanitis Chevron Icon
Balanoposthitis Chevron Icon
Bedsores Chevron Icon
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Benign Chronic Pain Syndrome Chevron Icon
Bladder Infection Chevron Icon
Blood in Urine (Hematuria) Chevron Icon
Bronchiectasis Chevron Icon
Bronchospasm Chevron Icon
Bunion Chevron Icon
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Bursitis Chevron Icon
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Calcium Metabolism Disorders Chevron Icon
Candidiasis of Skin and Nails Chevron Icon
Canker Sore Chevron Icon
Carpal Tunnel Syndrome Chevron Icon
Celiac Disease Chevron Icon
Cellulitis Chevron Icon
Chest Wall Pain Syndrome Chevron Icon
Chronic Deep Vein Thrombosis (DVT) Chevron Icon
Chronic Fatigue Syndrome Chevron Icon
Chronic Interstitial Cystitis Chevron Icon
Chronic Neck Pain Chevron Icon
Chronic Prostatitis Chevron Icon
Cluster Headache Chevron Icon
Coccygeal Pain Chevron Icon
Common Cold Chevron Icon
Cough Chevron Icon
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Deep Vein Thrombosis (DVT) Chevron Icon
Dermatitis Chevron Icon
Dermatitis Due to Drugs Chevron Icon
Dermatitis Due to Substances Taken Internally Chevron Icon
Diabetes Type 1 Chevron Icon
Diabetic Polyneuropathy Chevron Icon
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Down Syndrome Chevron Icon
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Earwax Buildup Chevron Icon
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Fever Chevron Icon
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Gait Abnormality Chevron Icon
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Insomnia Chevron Icon
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Intertrigo Chevron Icon
Joint Pain Chevron Icon
Kidney Stone Pain (Renal Colic) Chevron Icon
Leg and Foot Ulcers Chevron Icon
Limb Cramp Chevron Icon
Limb Pain Chevron Icon
Limb Swelling Caused by Fluid Overload Chevron Icon
Low Back Pain Chevron Icon
Low Blood Oxygen Level Chevron Icon
Magnesium Metabolism Disorders Chevron Icon
Malnutrition Chevron Icon
Menopausal and Postmenopausal Disorders Chevron Icon
Menstrual Disorders (incl. Dysmenorrhea) Chevron Icon
Moles (Benign Skin Lesions) Chevron Icon
Muscle Spasm Chevron Icon
Nasopharyngitis Chevron Icon
Neurogenic Bladder Chevron Icon
Nighttime Urination (Nocturia) Chevron Icon
Nosebleed Chevron Icon
Osteoarthritis of Hand or Wrist Chevron Icon
Osteoarthritis of Hands Chevron Icon
Osteoarthritis of Hip Chevron Icon
Osteoarthritis of Hip and Thigh Chevron Icon
Osteoarthritis of Spine Chevron Icon
Osteopenia Chevron Icon
Outer Ear Infection Chevron Icon
Overactive Bladder Chevron Icon
Painful Urination (Dysuria) Chevron Icon
Patellofemoral Pain Syndrome or Knee Pain Chevron Icon
Peptic Ulcer Chevron Icon
Pericardial Disease Chevron Icon
Perimenopause Chevron Icon
Pharyngitis Chevron Icon
Phosphorus Metabolism Disorders Chevron Icon
Pinkeye (Conjunctivitis) Chevron Icon
Polymyalgia Rheumatica (PMR) Chevron Icon
Polymyositis Chevron Icon
Postherpetic Neuralgia Chevron Icon
Postnasal Drip Chevron Icon
Prostatitis Chevron Icon
Proteinuria Chevron Icon
Puncture Aspiration Chevron Icon
Radiculopathy (Not Due to Disc Displacement) Chevron Icon
Raynaud's Disease Chevron Icon
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Shortness of Breath Chevron Icon
Shoulder Tendinitis and Tenosynovitis Chevron Icon
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Sinus Bradycardia Chevron Icon
Sinus Tachycardia Chevron Icon
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Symptomatic Menopause Chevron Icon
Syphilis Infections Chevron Icon
Tension Headache Chevron Icon
Throat Pain Chevron Icon
Thyroid Goiter Chevron Icon
Urinary Hesitancy Chevron Icon
Urinary Incontinence Chevron Icon
Vaginitis and-or Vaginosis Chevron Icon
Venous Compression Chevron Icon
Venous Embolism and Thrombosis Chevron Icon
Venous Insufficiency Chevron Icon
Vertigo Chevron Icon
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Viral Infection Chevron Icon
Vitamin B12 Deficiency Chevron Icon
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Wheezing Chevron Icon
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Yeast Infections Chevron Icon
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    View All Accepted Carriers

    • Aetna
    • Anthem
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of California
    • Blue Shield of California
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • First Health
    • Humana

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    3.0
    Average provider rating
    Based on 2 ratings
    Patient Ratings (2)
    5 Star
    (1)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (1)
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    How was your appointment with Dr. Koo?

    Jan 21, 2022
    Great experience, great doctor
    rick kwak — Jan 21, 2022
    Read more reviews on Healthgrades
    Photo: Dr. Patrick Koo, MD
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    About Dr. Patrick Koo, MD

    Specialties
    • Gastroenterology
    Specialties
    Years of Experience
    • 11 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Chinese
    Languages Spoken
    NPI Number
    • 1801152772
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • PENNSYLVANIA STATE UNIVERSITY / COLLEGE OF MEDICINE
    Medical Education
    Board Certifications
    • Gastroenterology and Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Patrick Koo, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Koo is offering online scheduling or call the provider’s office for more information.

    Dr. Koo has an average wait time of Over 45 minutes at their office(s).

    Dr. Koo has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Koo works at St. Jude Heritage Medical Group in Fullerton, CA. View the full address on Dr. Koo’s profile.

    Dr. Koo has seen patients for Hemorrhoids, Diverticulitis, Intestinal and Hernia, and more. You can see other conditions treated by Dr. Koo on their profile. Please call the provider’s office to confirm all visit reasons.

    2 patients have reviewed Dr. Koo. The overall rating for this provider is 3.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Koo.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Koo, there are benefits to both methods. A person calling to schedule an with Dr. Koo appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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