Dr. Jennifer Y. O\'Neill-Cha
- Gender: Female
- Experience: 9 years
- Graduated from: Loma Linda University School Of Medicine
- Graduation year: 2012
- Sole propriator: No
- NPI: 1033479936
Dr. Jennifer Y. O\'Neill-Cha M.D.
Hospitalist
She is located at 2700 Grant Street Suite 200 in Concord, CA 94520. Can help patients with the following: Arthritis, Chest Pain, Chronic Obstructive Pulmonary Disease (COPD), Cystitis, General Care, Urethritis. Her National Provider Identifier (NPI) number is 1033479936. Appointment can be made via the phone number (925) 947-3312. She is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. Jennifer Y. O\'Neill-Cha, being an hospitalist, 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. Jennifer Y. O\'Neill-Cha.
- 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. Jennifer Y. O\'Neill-Cha is enrolled to bill Medicare as a Practitioner - Hospitalist (also registered under: Practitioner - Internal Medicine) .
Bills through: John Muir Physician Network
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Biosense Webster | $119 |
| Zoll Medical | $93 |
| Allergan | $14 |
Other
| Food and Beverage | $228 |
Studies
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2012Additional Specialities
- Internist
- Resident
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Questions & Answers
Does Dr. Jennifer Y. O\'Neill-Cha accept insurance?
Unfortunately we don't have any information if Dr. Jennifer Y. O\'Neill-Cha accepts insurance.
Has Dr. Jennifer Y. O\'Neill-Cha affiliation with hospitals?
Dr. Jennifer Y. O\'Neill-Cha is affiliated with ALTA BATES SUMMIT MEDICAL CENTER - ALTA BATES CAMP. For the full list of hospitals see this list.
What conditions does Dr. Jennifer Y. O\'Neill-Cha treat?
Dr. Jennifer Y. O\'Neill-Cha provides treatment for Arthritis, Chest Pain, Chronic Obstructive Pulmonary Disease (COPD), Cystitis, General Care, Urethritis. For the full list see this list.
Does Dr. Jennifer Y. O\'Neill-Cha have affiliation with practices?
Dr. Jennifer Y. O\'Neill-Cha is affiliated with Sutter East Bay Medical Foundation. For the full list of practices see this list.
Where can you meet with Dr. Jennifer Y. O\'Neill-Cha?
Dr. Jennifer Y. O\'Neill-Cha's office is located at 2700 Grant Street Suite 200 in Concord, CA 94520.