Dr. Oscar L. Chien
- Gender: Male
- Experience: 31 years
- Graduation year: 1990
- Sole propriator: Yes
- NPI: 1679675904
Dr. Oscar L. Chien M.D.
Geriatrician
He is located at 1448 South San Gabriel Bl. in San Gabriel, CA 91776. Can help patients with the following: Acute Pain, Alzheimer's Disease, Balance Issues, Influenza, Osteoporosis, Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1679675904. Appointment can be made via the phone number (626) 569-2888. He is affiliated with 1 practices and 4 hospitals.
Conditions treated
Dr. Oscar L. Chien, being an geriatrician, 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. Oscar L. Chien.
- Abdominal Pain
- Acute Pain
- Aging In Place
- Alzheimer's Disease
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Balance Issues
- Bladder Control
- Bone Loss
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cognitive Decline
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fatigue
- Fecal Incontinence
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hip Bursitis
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Low Back Pain
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Progressive Neurological Disorders
- Urethritis
- Urinary Tract Infection (UTI)
Medicare Enrollment
Dr. Oscar L. Chien is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Geriatric Medicine) .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- SAN GABRIEL, CA, 91776-3656
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
| Amarin Pharma | $52302 |
| Janssen | $51599 |
| Radius Health | $25065 |
Other
| Promotional Speaking or Service | $177365 |
| Food and Beverage | $47980 |
| Consulting | $15481 |
| Travel and Lodging | $14808 |
| Other | $10500 |
Studies
Graduated in 1990Additional Specialities
- Internist
- Specialist
Affiliated hospitals
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Questions & Answers
Does Dr. Oscar L. Chien accept insurance?
Unfortunately we don't have any information if Dr. Oscar L. Chien accepts insurance.
What conditions does Dr. Oscar L. Chien treat?
Dr. Oscar L. Chien provides treatment for Acute Pain, Alzheimer's Disease, Balance Issues, Influenza, Osteoporosis, Urinary Tract Infection (UTI). For the full list see this list.
Does Dr. Oscar L. Chien have affiliation with practices?
Dr. Oscar L. Chien is affiliated with California Dentistry.
Has Dr. Oscar L. Chien affiliation with hospitals?
Dr. Oscar L. Chien is affiliated with METHODIST HOSPITAL OF SOUTHERN CA. For the full list of hospitals see this list.
Where can you meet with Dr. Oscar L. Chien?
Dr. Oscar L. Chien's office is located at 1448 South San Gabriel Bl. in San Gabriel, CA 91776.