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About
Dr. Esther Catalya, MD is a medical oncology specialist in Walnut Creek, CA. Dr. Catalya completed a residency at Jersey City Medical Center. She currently practices at Diablo Valley Oncology/Hematology Medical Group and is affiliated with Concord Medical Center. She accepts multiple insurance plans, including Medicare.
Education
- St Michaels Med Ctr-UMDNJ, Fellowship Hospital — 1988
- Jersey City Medical Center, Residency Hospital — 1985
- Jersey City Med Ctr, Internship Hospital — 1983
- CEBU INSTITUTE OF MEDICINE, Medical School — 1974
- University Of San Carlos, Cebu City, Philippines, Undergraduate School — 1969
Insurance Accepted
- Aetna
- Blue Cross Blue Shield
- Blue Cross Blue Shield of California
- CareFirst Blue Cross Blue Shield
- Cigna
- Coventry Health Care
- First Health
- Guardian
- Health Net of California
- Humana
- Medicare
- MultiPlan
- UnitedHealthCare
* Please verify this information when scheduling an appointment.
Languages
Arabic, Tagalog
Patient Satisfaction
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How likely are you to recommend Dr. Catalya?
Best doctor I have ever had

Frequently Asked Questions
A list of accepted insurance providers is available on the Healthgrades insurance check. It is always a good idea to verify your insurance when making an appointment.
New patients are generally accepted by Dr. Esther Catalya, MD on Sharecare. To arrange an appointment, call the number on Dr. Catalya's profile.
Dr. Catalya frequently treats the following conditions: Acute Leukemia, Acute Myeloid Leukemia, and All Lymphoma. See more on Sharecare.
Dr. Catalya's office is located at 1220 Rossmoor Pkwy, Walnut Creek, CA 94595. You can find other locations and directions on Sharecare.
Dr. Catalya is able to speak Tagalog, Arabic, and English. View profile to see all.
Dr. Esther Catalya, MD is affiliated with Concord Medical Center and Walnut Creek Medical Center.
Dr. Catalya has over 48 years of healthcare experience.
There is a star rating of 2.7/5 for Dr. Esther Catalya, MD. Patients say that the appointment wasn't rushed and they trusted the provider's decisions. See all patient feedback on Sharecare.
Hospital Affiliations
- Concord Medical Center
- Walnut Creek Medical Center
Locations
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Diablo Valley Oncology/Hematology Medical Group
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John Muir Rossmoor
1220 Rossmoor Pkwy, Walnut Creek, CA 94595 (925) 677-5041 -
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Rossmoor Associates
1210 Rossmoor Pkwy, Walnut Creek, CA 94595 (925) 677-5041
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1
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John Muir Oncology Medical Group
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3
Diablo Vly Hmtlgy Onclgy Md Grp
400 Taylor Blvd Ste 202, Pleasant Hill, CA 94523 (925) 677-5041
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3