Dr. John J. Koo
- Gender: Male
- Experience: 18 years
- Graduation year: 2003
- Sole propriator: No
- NPI: 1477617561
Dr. John J. Koo MD
Internist
He is located at 12021 Wilmington Avenue in Los Angeles, CA 90059. Can help patients with the following: Cystitis, General Care, Heart Disease, Hot Flashes, Influenza, Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1477617561. Appointment can be made via the phone number (310) 668-4574. He is affiliated with 2 hospitals.
Conditions treated
Dr. John J. Koo, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John J. Koo.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Medicare Enrollment
Dr. John J. Koo is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: John J Koo Md Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Valeant Pharmaceuticals North America | $3893 |
| Janssen | $1962 |
| E.R. Squibb \u0026 Sons | $605 |
Other
| Food and Beverage | $3531 |
| Other | $3000 |
| Travel and Lodging | $771 |
Studies
Graduated in 2003
Looking for more Internists?
Out of the 22 internists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 2910 North 3rd Avenue Suite 470 Phoenix, 85013, AZ
- Gender: Male
- Address: 12021 Wilmington Avenue Los Angeles, 90059, CA
- Gender: Male
- Address: 1670 East 120th Street Los Angeles, 90059, CA
- Gender: Male
- Address: 12021 Wilmington Avenue Los Angeles, 90059, CA
- Gender: Male
- Address: 12021 Wilmington Avenue Los Angeles, 90059, CA
- Gender: Female
- Address: 1206 East 17th Street Suite 101 Santa Ana, 92701, CA
- Gender: Male
- Address: Building 14 1670 East 120th Street Los Angeles, 90059, CA
- Gender: Male
- Address: 1670 East 120th Street Los Angeles, 90059, CA
- Gender: Male
- Address: 12021 Wilmington Avenue Los Angeles, 90059, CA
Questions & Answers
Does Dr. John J. Koo accept insurance?
Unfortunately we don't have any information if Dr. John J. Koo accepts insurance.
What conditions does Dr. John J. Koo treat?
Dr. John J. Koo provides treatment for Cystitis, General Care, Heart Disease, Hot Flashes, Influenza, Urinary Tract Infection (UTI). For the full list see this list.
Where can you meet with Dr. John J. Koo?
Dr. John J. Koo's office is located at 12021 Wilmington Avenue in Los Angeles, CA 90059.
Has Dr. John J. Koo affiliation with hospitals?
Dr. John J. Koo is affiliated with ADVENTIST HEALTH CASTLE. For the full list of hospitals see this list.