Are you Dr. O'Neill?
Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.
- Gain access to free telehealth tools, such as our "call shielding" and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
You already have 63 invites waiting! - Read the latest clinical news, personalized to your specialty.
Office
5300 Katella Ave
Los Alamitos, CA 90720Phone+1 562-430-7533Fax+1 562-430-8055
Summary
- Dr. Timothy O'Neill, MD is a cardiologist in Los Alamitos, California. He is currently licensed to practice medicine in California. He is affiliated with Los Alamitos Medical Center, Lakewood Regional Medical Center, and Long Beach Medical Center.
Education & Training
- University of California (Irvine)Fellowship, Cardiovascular Disease, 1990 - 1993
- University of California (Irvine)Residency, Internal Medicine, 1987 - 1990
- University of New Mexico School of MedicineClass of 1987
Certifications & Licensure
- CA State Medical License 1989 - 2025
- American Board of Internal Medicine Cardiovascular Disease
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification eClinicalWorks EHR, eClinicalWorks LLC, 2013