Summary

Dr. Gerald Ondash is a family medicine physician who also specializes in geriatric medicine and internal medicine. He earned his medical degree from St. Louis University School of Medicine and completed his residency at Scripps Mercy Hospital. With 58 years of medical experience, Dr. Ondash brings extensive knowledge to patient care. He is fluent in both English and Spanish.

Dr. Ondash practices at multiple locations including Sharp Memorial Hospital in San Diego, Tri City Medical Center in Oceanside, and Sharp Grossmont Hospital in La Mesa, California. His affiliations also include Kaiser Permanente San Marcos Medical Center. Through his long career, he has developed expertise in caring for patients across all age groups, from routine family healthcare to specialized care for older adults and complex internal medicine conditions. Patients have given Dr. Ondash an average rating of 3.7 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3.6
  • 58 years of experience
  • speaks English, Spanish
  • Scripps Mercy Hospital
  • 4 written reviews
  • 3 specialties
  • 11 areas of expertise
  • 4 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Gerald William Ondash has 3 locations

Tri City Medical Center

4002 Vista WayOceanside, CA 92056

Sharp Memorial Hospital

7901 Frost StSan Diego, CA 92123

Sharp Grossmont Hospital

5555 Grossmont Center DrLa Mesa, CA 91942

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Dr. Gerald William Ondash, MDDr. Lubna Isho, DOShanekwah Melville, DNP, APRN, FNP-CDr. David Byron, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.6 
4.7 
58 Years of Experience 25 Years of Experience 10 Years of Experience 16 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks Arabic, English, Spanish Speaks English, Spanish
Oceanside , CAPOMONA , CAHouston , TXTuscon , AZ
Med School: St Louis University School Of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Ben-Gurion University Of The Negev Faculty Of Health Sciences
Current Profile
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Insurance Plans Accepted by Dr. Gerald William Ondash

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Gerald William Ondash has the following 3 specialties

Specialty Expertise

Dr. Gerald William Ondash has the following 11 areas of expertise

  • Alzheimer's Disease
  • Cognitive Issues/Testing
  • Confusion
  • Dementia
  • EOL Care
  • Geriatric Medicine
  • Internal Medicine
  • Osteopenia
  • Osteoporosis
  • Senility
  • Urinary Incontinence

Certifications, License, & Education

58 Years Experience

Dr. Gerald William Ondash holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Scripps Mercy Hospital.

Medical School

Graduated from St Louis University School Of Medicine in 1968.

NPI Number

Dr. Ondash's NPI number is 1730102153.

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Frequently Asked Questions

What languages does Dr. Gerald Ondash speak?
Dr. Gerald Ondash speaks English and Spanish.
Does Dr. Gerald Ondash accept virtual/telehealth appointments?
Dr. Gerald Ondash has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Gerald Ondash's office located?
Dr. Gerald Ondash's office is located at 4002 Vista Way, Oceanside, CA, 92056.
Which hospitals is Dr. Gerald Ondash affiliated with?
Dr. Gerald Ondash is affiliated with Sharp Memorial Hospital, Tri City Medical Center, Sharp Grossmont Hospital, and Kaiser Permanente San Marcos Medical Center.
How can I make an appointment with Dr. Gerald Ondash?
You can find contact information for Dr. Gerald Ondash here on Vitals.

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