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Dr. Ja Koo, MD
Internal Medicine* Age 39
Dr. Ja Koo, MD
2.0 (1 Ratings)
Dr. Ja Koo, MD is an Internist in Loma Linda, CA.
Dr. Ja Koo, MD
2.0 (1 Ratings)

Dr. Ja Koo, MD

Internal Medicine* Age 39
Loma Linda, CA
Accepting new patients
Dr. Ja Koo, MD is an Internist in Loma Linda, CA.

About Dr. Ja Koo, MD

Dr. Ja Koo, MD is an Internist in Loma Linda, CA. Dr. Koo's office accepts new patients. Dr. Koo is board certified in Internal Medicine and accepts multiple insurance plans.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

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Arterial Blood Gas Test (ABG)
Nausea
Venous Embolism and Thrombosis
Arterial Blood Gas Test (ABG)
Nausea
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Venous Embolism and Thrombosis
Tobacco Use Disorder
Electrocardiogram (EKG)
Dehydration
Adult Failure to Thrive
Constipation
Intestinal Diverticulitis
All Headaches (incl. Migraine)
Urinary Tract Infection (UTI)
Fever
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Abdominal Pain
Acidosis
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Acne
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Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Kidney Infection
Acute Lower Respiratory Infection
Acute Sinusitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Administrative Physical
Alkalosis
Allergic Conjunctivitis
Allergic Rhinitis
Anal or Rectal Pain
Anemia
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Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Asphyxia and Hypoxemia
Asthma
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Asymptomatic Post-Menopausal Status
Ataxia
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Atherosclerosis
Athlete's Foot
Back Pain
Bedsores
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Benign Chronic Pain Syndrome
Bladder Infection
Blood in Urine (Hematuria)
Bronchiectasis
Bronchitis
Bruise of Face, Scalp, or Neck
Cachexia
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Calcium Metabolism Disorders
Cellulitis
Chest Pain
Chlamydia Infections
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Chronic Venous Embolism Thrombosis
Coccygeal Pain
Cold Sore
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
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
Diarrhea
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Difficulty With Walking
Dizziness
Down Syndrome
Dysentery
Dyslipidemia
Dysphagia
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Essential Tremor
Familial Hypercholesterolemia
Fibromyalgia
Folic Acid Deficiency
Folliculitis
Foot Infection
Gait Abnormality
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Gastroptosis
Genital Herpes
Gout
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Hair Loss
Headache
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Heart Disease
Heart Palpitations
Heartburn
Hemorrhoids
Hernia
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Herpes Simplex Infection
Herpes Zoster Without Complication
Hidradenitis Suppurativa
Histoplasmosis
Human Immunodeficiency Virus (HIV)
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Influenza (Flu)
Insomnia
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Intertrigo
Intestinal Diverticulosis
Irritable Bowel Syndrome
Itchy Skin
Joint Pain
Kidney Infection
Kidney Stone Pain (Renal Colic)
Leg and Foot Ulcers
Leukocytopenia
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Long COVID Disorder
Low Back Pain
Lymphangitis
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Mastodynia
Menopausal and Postmenopausal Disorders
Menstrual Disorders
Migraine
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Mild Asthma
Mineral Metabolism Disorders
Moles (Benign Skin Lesions)
Motion Sickness
Muscle Cramping
Muscle Spasm
Muscle Weakness
Nail and Nail Bed Infection
Nail Infection
Neurogenic Bladder
Nighttime Urination (Nocturia)
Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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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
Otitis Media
Outer Ear Infection
Overweight
Painful Urination (Dysuria)
Patellofemoral Pain Syndrome (PFPS)
Pericardial Disease
Perimenopause
Pharyngitis
Phlebitis and Thrombophlebitis
Phosphorus Metabolism Disorders
Pinkeye (Conjunctivitis)
Plantar Fasciitis
Pneumonia
Pollen Allergy
Polymyositis
Polyneuropathy
Polyuria
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Prostatitis
Proteinuria
Purpura
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Radiculopathy
Rash
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Raynaud's Disease
Reflux Esophagitis
Restless Leg Syndrome
Rhabdomyolysis
Ringworm
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Sarcoidosis
Sciatica
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Secondary Diabetes Mellitus
Secondary Hypertension
Secondary Renovascular Hypertension
Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sickle Cell Disease
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Swine Flu
Symptomatic Menopause
Syphilis Infections
Thrush
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Thyroid Goiter
Tobacco Withdrawal
Torticollis
Transient Ischemic Attack (TIA)
Tremor
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Urinary Hesitancy
Urinary Incontinence
Urinary Stones
Vaginitis or Vaginosis
Valley Fever
Venous Compression
Venous Insufficiency
Vertigo
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Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
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Diabetes Counseling
Fecal Occult Blood Test for Colorectal Cancer
Human Papillomavirus DNA Testing
Immunization Administration
Pap Smear
Wellness Examination

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Advantage Preferred DirectAccess Plus PPO
    Blue Cross Blue Shield of California PPO
    Blue Cross CA PPO Prudent Buyer Small Group PPO
    Select PPO
  • Select HMO
    Prudent Buyer Individual CA PPO
    Prudent Buyer Large Group CA PPO
  • CA Healthnet PPO
  • Cigna HMO
    Cigna PPO
    Open Access Plus
  • HealthyBlue Advantage
  • First Health (Coventry Health Care) PPO
  • Marketplace CA
  • CA Cigna + Oscar Open Access Plus
  • BlueCard PPO
  • Blue High Performance Network EPO
    Silver 70 PPO
    Tandem PPO
    Access Plus HMO
  • SignatureValue - CA HMO

Where Dr. Ja Koo, MD Sees Patients

  1. 1 Loma Linda Univ Anesthesiology Medical Group Inc
    11234 Anderson St, Loma Linda, CA 92350
  2. 2 Loma Linda University East Campus Hospital
    25333 Barton Rd, Loma Linda, CA 92350

What Patients Say

Likelihood to recommend Dr. Koo
2.0
Based on 1 Reviews
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3 Stars (0)
2 Stars (1)
1 Star (0)

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Patient Reviews
Aug 17, 2020
She dismissed my concerns, which resulted in a Very delayed diagnosis by a doctor who actually cared. She does spend time and listens, but it didn't help because she chose to ignore all the information.
— Aug 17, 2020
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Meet Dr. Ja Koo, MD

Specialties*
Internal Medicine
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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Koo communicate via email?
1 user said yes.
Yes
(1)
No
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Does Dr. Koo offer telehealth services or virtual visits?
1 user said yes.
Yes
(1)
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Does Dr. Koo offer an online patient portal?
1 user said yes.
Yes
(1)
No
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Does Dr. Koo have free onsite parking?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Koo offer weekend visits?
No users said yes.
Yes
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No
(1)
Does Dr. Koo offer evening visits?
No responses yet.
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No
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Does Dr. Koo specialize in working with children or adolescents?
No responses yet.
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Does Dr. Koo specialize in working with seniors?
No responses yet.
Yes
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Does Dr. Koo specialize in couples therapy?
No responses yet.
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Does Dr. Koo specialize in working with LGBTQ+ community?
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Does Dr. Koo accept insurance?
No responses yet.
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FAQs About Dr. Koo's Practice

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. Ja Koo, MD. To arrange an appointment, call the number on Dr. Koo's profile.

Dr. Ja Koo, MD is affiliated with Loma Linda University Medical Center.

Yes, Dr. Ja Koo, MD holds board certification in Internal Medicine.

Training & Medical Education
Board Certifications
  • 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.

Hospitals Where Dr. Ja Koo, MD Practices

  • Loma Linda University Medical Center

    11234 Anderson St, Loma Linda, CA

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