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Dr. Patrick Koo, MD

Gastroenterology* Age 40
Dr. Patrick Koo, MD
2.7 (3 Ratings)

Offers telehealth

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Dr. Patrick Koo, MD is a Gastroenterologist in Fullerton, CA.
Dr. Patrick Koo, MD
2.7 (3 Ratings)
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Dr. Patrick Koo, MD

Gastroenterology* Age 40
Fullerton, CA
Accepting new patients
12 years of experience

Offers telehealth

Dr. Patrick Koo, MD is a Gastroenterologist in Fullerton, CA.

About

Dr. Koo graduated from Penn State University College of Medicine. Dr. Patrick Koo, MD is a Gastroenterologist in Fullerton, CA and has 12 years experience. Dr. Koo currently practices at St. Jude Heritage Fullerton - Gastroenterology and are affiliated with Providence St. Jude Medical Center. Dr. Koo has experience treating conditions like Diffuse Esophageal Spasm, Nausea and Constipation among other conditions at varying frequencies. At present, Dr. Koo received an average rating of 2.7/5 from patients and has been reviewed 3 times. Dr. Koo's office accepts new patients and telehealth appointments. Dr. Koo also speaks Chinese. Dr. Koo is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Diffuse Esophageal Spasm
Nausea
Constipation
Diffuse Esophageal Spasm
Nausea
Constipation
Diffuse Esophageal Spasm
Nausea
  • View other providers who treat Nausea
Constipation
Abdominal Pain
Duodenitis
Gastritis
Gastrointestinal Bleeding
Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
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Ascites
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Barrett's Esophagus
Barretts Esophagus with Dysplasia
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Congenital Anomaly Intestine
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Diarrhea
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Duodenal Cancer
Duodenal Ulcer
Dysphagia
Enteritis
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastroesophageal Reflux Disease (GERD)
Gastroptosis
Heartburn
Hemorrhoids
Hepatitis B
Ileus
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Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Malnutrition
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Reflux Esophagitis
Retroperitoneum Cancer
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Vitamin_Deficiency
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Abnormal Thyroid
Acidosis
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Acne
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Actinic Keratosis
Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Pharyngitis
Acute Sinusitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Adhesive Capsulitis Shoulder
Alkalosis
All Headaches (incl. Migraine)
Allergic Conjunctivitis
Allergic Rhinitis
Anal Sphincter Dysplasia
Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Asymptomatic Post-Menopausal Status
Atherosclerosis
Atrophic Vaginitis
Back Pain
Balanitis
Balanoposthitis
Bedsores
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Benign Chronic Pain Syndrome
Bile Duct Obstruction
Biliary Cirrhosis
Bladder Infection
Blood in Urine (Hematuria)
Bowel Strangulation
Bronchiectasis
Bronchitis
Bronchospasm
Bunion
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Bursitis
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Calcium Metabolism Disorders
Candidiasis of Skin and Nails
Canker Sore
Carpal Tunnel Syndrome
Celiac Disease
Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Cholangitis
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Interstitial Cystitis
Chronic Neck Pain
Chronic Pain
Chronic Prostatitis
Chronic Sinusitis
Cluster Headache
Coccygeal Pain
Colon Cancer
Common Cold
Congenital Anomaly Bile Duct
COPD (Chronic Obstructive Pulmonary Disease)
Copper Metabolism Disorders
Cough
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Deep Vein Thrombosis (DVT)
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Dizziness
Down Syndrome
Dysentery
Dyslipidemia
Earwax Buildup
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Familial Adenomatous Polyposis
Fever
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Fibromyalgia
Gait Abnormality
Gastrointestinal Malabsorption
Gastroparesis
Genital Warts
Gout
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Hair Loss
Hammer Toe
Headache
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Heart Disease
Heart Palpitations
Hepatitis C
Hepatorenal Syndrome
Hernia
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Herpes Zoster Without Complication
Histoplasmosis
Hives
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Human Immunodeficiency Virus (HIV)
Hydrocele
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Indigestion
Infectious Diarrheal Disease
Influenza (Flu)
Insomnia
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Intertrigo
Intestinal Diverticulitis
Intestinal Prolapse
Itchy Skin
Joint Pain
Kidney Stone Pain (Renal Colic)
Leg and Foot Ulcers
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Menopausal and Postmenopausal Disorders
Menstrual Disorders
Migraine
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Mineral Metabolism Disorders
Moles (Benign Skin Lesions)
Muscle Cramping
Muscle Spasm
Nasopharyngitis
Neoplasm of Gastrointestinal Tract
Neurogenic Bladder
Nighttime Urination (Nocturia)
Nosebleed
Obesity
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Onychomycosis
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Outer Ear Infection
Overactive Bladder
Overweight
Painful Urination (Dysuria)
Pancreatic Pseudocyst
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Pericardial Disease
Perimenopause
Pernicious Anemia
Pharyngitis
Phosphorus Metabolism Disorders
Pinkeye (Conjunctivitis)
Pneumonia
Polymyalgia Rheumatica (PMR)
Polymyositis
Polyneuropathy
Polyuria
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Postherpetic Neuralgia
Postnasal Drip
Pouchitis
Primary Biliary Cholangitis
Prostatitis
Proteinuria
Radiculopathy
Rash
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Raynaud's Disease
Rectal Ulcer
Restless Leg Syndrome
Ringworm
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Rosacea
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Sarcoidosis
Sciatica
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Secondary Hypertension
Secondary Renovascular Hypertension
Sexually Transmitted Diseases (STDs)
Shingles
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Shortness of Breath
Shoulder Tendinitis and Tenosynovitis
Sickle Cell Disease
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Splenomegaly
Stomal Ulcer
Symptomatic Menopause
Syphilis Infections
Tension Headache
Throat Pain
Thyroid Goiter
Tobacco Use Disorder
Urinary Hesitancy
Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Vaginitis or Vaginosis
Venous Compression
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
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Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B Complex Deficiency
Vitamin B Deficiency
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Warts
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Wheezing
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Yeast Infections
Abscess or Cyst Drainage or Aspiration
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Hemorrhoidectomy or Excision of Anal Tags
Immunization Administration
Liver Biopsy
Puncture Aspiration

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Pathway HMO
    Pathway EPO
    Anthem Blue Connection EPO
    Prudent Buyer Small Group CA PPO
    Vivity CA HMO
    Prudent Buyer Individual CA PPO
    California Care Large Group HMO
    California Care Small Group HMO
    Prudent Buyer Large Group CA PPO
  • Premium
  • Advantage Preferred DirectAccess Plus PPO
    Select PPO
  • SignatureValue Alliance
    SignatureValue - CA HMO
    Choice Plus POS
    Medica Choice
    Options PPO
    Nexus Open Access
  • First Health (Coventry Health Care) PPO
  • Cigna PPO
    Southern CA Select HMO
    Open Access Plus
  • Trio ACO HMO
    Access Plus HMO
    Local Access Plus HMO
    Bronze 60 SHOP PPO
    Blue Shield of California
    Platinum Local Access + HMO 25 HMO
    Platinum Access+ 25 HMO
    Access Plus Savenet HMO
    Blue High Performance Network EPO
    Platinum 90 PPO
    Silver 70 PPO
    Bronze Full 4500 PPO
  • CA Employer Group Plans HMO
    CA Healthnet PPO
  • Northern CA Cigna + Oscar LocalPlus EPO
    Northern CA Cigna + Oscar Open Access Plus EPO
  • Choice Care PPO
    National POS
    Choice POS
  • Blue Card High Performance Network HPN
    Blue Card PPO
  • Advantage Health Solutions HMO
  • Wellspan Health PPO
  • Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Open Choice PPO
    Choice Plus POS II
    Premier Care Network Plus - Innovation Health
    Aetna
  • Curative PPO
    Curative PPO Plus
    Curative EPO

Locations

  1. 1 St. Jude Heritage Fullerton - Gastroenterology
    1837 Sunny Crest Dr, Fullerton, CA 92835
    Icon Directions Right Arrow Directions Phone Icon (714) 446-5831

Patient Satisfaction

Likelihood to recommend Dr. Koo
2.7
Based on 3 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (1)
1 Star (1)

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Patient Reviews
Jan 21, 2022
Great experience, great doctor
rick kwak — Jan 21, 2022
See more reviews on Healthgrades
Photo: Dr. Patrick Koo, MD
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Dr. Koo's Office & Staff

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Experience with Dr. Koo

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
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Call now to make an appointment
(714) 446-5831

About Me

Languages Spoken
Chinese
Languages Spoken
Specialties*
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Penn State University College of Medicine
    2012
Medical Education

Board Certifications

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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Koo communicate via email?
No responses yet.
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Does Dr. Koo offer telehealth services or virtual visits?
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Does Dr. Koo offer an online patient portal?
1 user said yes.
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Does Dr. Koo have free onsite parking?
1 user said yes.
Yes
(1)
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Does Dr. Koo offer weekend visits?
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Does Dr. Koo offer evening visits?
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Does Dr. Koo specialize in working with children or adolescents?
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Does Dr. Koo specialize in working with seniors?
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Does Dr. Koo specialize in couples therapy?
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Does Dr. Koo specialize in working with LGBTQ+ community?
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Does Dr. Koo accept insurance?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Patrick Koo, MD. To arrange an appointment, call the number on Dr. Koo's profile.

Dr. Koo frequently treats the following conditions: Diffuse Esophageal Spasm, Nausea and Constipation. See more on Sharecare.

Dr. Patrick Koo, MD is affiliated with Providence St. Jude Medical Center.

Yes, Dr. Patrick Koo, MD holds board certification in Gastroenterology and Internal Medicine.

Hospital Affiliations

  • Providence St. Jude Medical Center

    101 E Valencia Mesa Dr, Fullerton, CA