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Internists with Great Reviews in Fullerton, CA

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Verified Internists in Fullerton, CA

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323 providers

Availability last updated 09/19/2026

Kelly Okray, PA-C, MSPAS
5.0
(2)
Kelly Okray, PA-C, MSPAS Physician Assistant
47.8 mi
5.0 (2)
1220 E Ave S
Suite M
Palmdale, CA 93550
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About Kelly Okray, PA-C, MSPAS
Kelly Okray, PA-C has been with First Valley Medical Group since July 2022. First Valley Medical Group is an internal medicine outpatient clinic with multiple locations. Kelly works at our Lancaster location off of Lancaster Boulevard and 10 th street. She can help diagnose and manage various conditions including hypertension, diabetes, thyroid conditions, heart failure and many others. Kelly can help you understand your conditions, lab work and images, and get you connected with a specialist as needed. She is also able to provide basic preventative women’s health care. She is passionate about preventative medicine through diet and lifestyle changes and would love to help you get and stay healthy. She is originally from Minnesota, relocating nearly two and a half years ago and is making Lancaster her
Practice
First Valley Medical Group
Latest Review
“Excellent care!!”
Kelly Okray, PA-C, MSPAS

Kelly Okray, PA-C, MSPAS

Physician Assistant

1220 E Ave S
Suite M
Palmdale, CA 93550

5.0 (2)
Dr. Kanagaratnam Sivalingam, MD
5.0
(2)
Dr. Kanagaratnam Sivalingam, MD Geriatrician
47.8 mi
5.0 (2)
1220 E Ave S
Suite M
Palmdale, CA 93550
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About Dr. Kanagaratnam Sivalingam, MD

Kanagaratnam Sivalingam, MD, FACP, is a skilled internist at First Valley Medical Group in Lancaster, California. He has more than 40 years of experience in treating numerous acute and chronic conditions. Dr. Sivalingam spends time with patients and listens to their concerns, giving them a voice in their treatment.

Dr. Sivalingam earned his medical degree from the University of Ceylon Medical School in Peradeniya, Sri Lanka. He completed his internal medicine training at the Hospital for Joint Diseases in New York City and his residency at Vembadi Polyclinic in Ceylon, Sri Lanka.

He maintains his advanced credentials with continuing education. Dr. Sivalingam is board certified in internal medicine and licensed in the state of California. He’s a fellow of the American College of Physicians and a member of the American Medical Association, American Society of Echocardiography, American Academy of Anti-Aging Medicine, and numerous other professional organizations.

At First Valley Medical Group, Dr. Sivalingam provides premium care for patients with a variety of chronic diseases using a compassionate bedside manner. He uses the most innovative technology and procedures to provide expert treatments.

Dr. Sivalingam evaluates each patient as a whole person and offers conservative treatments whenever possible. He and his team warmly welcome patients to First Valley Medical Group and look forward to serving them.

Practice
First Valley Medical Group
Latest Review
“Excellent care!!”
Dr. Kanagaratnam Sivalingam, MD

Dr. Kanagaratnam Sivalingam, MD

Geriatrician

1220 E Ave S
Suite M
Palmdale, CA 93550

5.0 (2)
Dr. Rahul Gaglani
5.0
(3)
Dr. Rahul Gaglani Cardiovascular Disease Physician
48.4 mi
5.0 (3)
25395 Hancock Ave
Suite 230
Murrieta, CA 92562
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About Dr. Rahul Gaglani

REQUEST APPOINTMENT

Rahul Gaglani, MD, is a board-certified interventional and general cardiologist serving patients at Core Cardiology in Murrieta and Temecula, California. He specializes in percutaneous interventions of the coronary arteries (radial approach) and structural heart disease intervention (atrial septal defects, patent foramen ovale, aortic stenosis, and hypertrophic cardiomyopathy). 

Dr. Gaglani graduated from the Rutgers School of Environmental and Biological Sciences in New Brunswick, New Jersey, with a Bachelor of Science in biochemistry with a concentration in economics. He then earned his Doctor of Medicine from Ross University School of Medicine. Upon graduating, he completed his internal medicine residency at Saint Vincent Catholic Medical Center and his fellowships in general and interventional cardiology at NewYork-Presbyterian Brooklyn Methodist Hospital, both in New York City. Prior to establishing his private practice, he worked at various medical centers in New York and California. 

He established his private practice in 2017, where he provides a wide range of treatments for cardiovascular disease, arrhythmias, heart failure, peripheral artery disease, and venous disease. He also offers coronary artery intervention and structural heart intervention, as well as heart disease prevention services.

Dr. Gaglani is board certified in interventional/general cardiology, echocardiography, cardiac nuclear medicine, and vascular imaging. His expertise in vascular disease also allows him to treat peripheral arterial/venous disease, including non-healing ulcers and wounds of the lower extremities, as well as stenosis of the carotid vessels, radial approach angiography, structural heart disease, high-risk PCI, and vein ablations.

To schedule an appointment at the office of Rahul Gaglani, MD, call the office or book a consultation online.

Practice
Core Cardiology
Latest Review
“Doctor Gaglani is very knowledgeable and through. He took the time to explain my health situation in a way that I could easily comprehend. He came across as a warm and caring person. ”
Dr. Rahul Gaglani

Dr. Rahul Gaglani

Internist

25395 Hancock Ave
Suite 230
Murrieta, CA 92562

5.0 (3)
Elie Ghasb, MD
5.0
(2)
Elie Ghasb, MD Internist
48.4 mi
5.0 (2)
25395 Hancock Ave Ste 240
Murrieta, CA 92562
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About Elie Ghasb, MD
Meet Elie Ghasb, M.D. Dr. Elie Ghasb is a dedicated Internal Medicine physician committed to providing compassionate, patient-centered care to our community. He graduated from the University of California, Riverside School of Medicine, and completed his training at Riverside University Health System, where he honed his clinical expertise and passion for improving community health. Dr. Ghasb brings a holistic approach to medicine, emphasizing healthy habits, active listening, and personalized treatment plans. His care philosophy centers around treating each patient as a whole person, not just addressing symptoms. Dr. Ghasb's research contributions, volunteer work at free clinics, and mentorship of medical students underscore his dedication to advancing healthcare and fostering trust with his patients. As a physician deeply rooted in the community, he is committed to building lasting relationships with his patients and their families.
Practice
Ghasb Internal Medicine, Primary & Preventative Care
Latest Review
“Best primary doctor ever I recommend him for the families 👍”
Elie Ghasb, MD

Elie Ghasb, MD

Internist

25395 Hancock Ave Ste 240
Murrieta, CA 92562

5.0 (2)
Healthcare specialist
Chandra Matadeen-Ali, MD Sleep Medicine Physician
0.7 mi
301 W Bastanchury Road
Suite 20
Fullerton, CA 92835
+5 more locations

Chandra Matadeen-Ali, MD

Sleep Medicine Physician

301 W Bastanchury Road
Suite 20
Fullerton, CA 92835

Healthcare specialist
Selma Prechel, OD Internist
0.8 mi
2222 N Harbor Blvd
Fullerton, CA 92835
+124 more locations

Selma Prechel, OD

Internist

2222 N Harbor Blvd
Fullerton, CA 92835

Healthcare specialist
Dr. John Lee, MD Internist
1.0 mi
400 North Euclid Street
Fullerton, CA 92832
+1 more location

Dr. John Lee, MD

Internist

400 North Euclid Street
Fullerton, CA 92832

Healthcare specialist
Anooshiravan Hami, MD Pulmonologist
2.5 mi
1111 West La Palma Ave
Anaheim, CA 92801
+23 more locations

Anooshiravan Hami, MD

Pulmonologist

1111 West La Palma Ave
Anaheim, CA 92801

Healthcare specialist
Shahriar Jarchi, MD Internist
3.7 mi
1100 E Whittier Blvd
La Habra, CA 90631
+36 more locations

Shahriar Jarchi, MD

Internist

1100 E Whittier Blvd
La Habra, CA 90631

Healthcare specialist
Victor Fayad, MD Internist
4.6 mi
710 South Brookhurst Street, Suite J
Anaheim, CA 92804

Victor Fayad, MD

Internist

710 South Brookhurst Street, Suite J
Anaheim, CA 92804

Healthcare specialist
Ajit Chary, MD Internist
6.4 mi
18200 Yorba Linda Blvd
Yorba Linda, CA 92886

Ajit Chary, MD

Internist

18200 Yorba Linda Blvd
Yorba Linda, CA 92886

Dr. Audrey Konow, MD
Dr. Audrey Konow, MD Internist
7.2 mi
5150 E. La Palma Avenue
Suite 106
Anaheim, CA 92807
Dr. Audrey Konow, MD

Dr. Audrey Konow, MD

Internist

5150 E. La Palma Avenue
Suite 106
Anaheim, CA 92807

Healthcare specialist
Jae Man Park, MD Internist
7.9 mi
9535 Garden Grove Blvd
104
Garden Grove, CA 92844

Jae Man Park, MD

Internist

9535 Garden Grove Blvd
104
Garden Grove, CA 92844

Healthcare specialist
Kia Ghiassi, DO Critical Care Medicine
8.0 mi
1100 W Stewart Drive
Orange, CA 92868

Kia Ghiassi, DO

Internist

1100 W Stewart Drive
Orange, CA 92868

Healthcare specialist
Reza Mina-Araghi, MD Critical Care Medicine
8.0 mi
1100 W Stewart Drive
Orange, CA 92868

Reza Mina-Araghi, MD

Internist

1100 W Stewart Drive
Orange, CA 92868

Healthcare specialist
Joseph Preston, MD Critical Care Medicine
8.0 mi
1100 W Stewart Drive
Orange, CA 92868

Joseph Preston, MD

Internist

1100 W Stewart Drive
Orange, CA 92868

Healthcare specialist
Shahid Hayat, MD Critical Care Medicine
8.0 mi
1100 W Stewart Drive
Orange, CA 92868

Shahid Hayat, MD

Internist

1100 W Stewart Drive
Orange, CA 92868

Healthcare specialist
Peter Smethurst, MD Critical Care Medicine
8.0 mi
1100 W Stewart Drive
Orange, CA 92868

Peter Smethurst, MD

Internist

1100 W Stewart Drive
Orange, CA 92868