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Gregor Paronian, MD

4.5 (46 reviews)
Closed 8:30 am - 5:00 pm
Updated 1 month ago

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3 months ago

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2 months ago

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2 years ago

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1 year ago

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3 years ago

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9 months ago

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3 years ago

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2 years ago

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3 years ago

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2 years ago

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3 years ago

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3 years ago

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2 years ago

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5 years ago

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5 years ago

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3 years ago

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2 years ago

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8 years ago

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3 years ago

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4 years ago

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3 years ago

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4 years ago

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3 years ago

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7 years ago

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3 years ago

Very knowledgeable, decisive, professional doctor with passion and care. One of my best doctor ever seen.

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5 years ago

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5 years ago

Best doctor in Pasadena! Thank you dr Paronian for always being there for me and my family.

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8 years ago

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11 years ago

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6 years ago

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2 years ago

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4 years ago

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6 years ago

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12 years ago

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11 years ago

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Ask the Community - Gregor Paronian, MD

Review Highlights - Gregor Paronian, MD

I mainly deal with Crystal but all the staff that I've ever dealt with, have been so helpful and kind.

Mentioned in 4 reviews

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Chris Christodoulou, MD - Dr. Chris Christodoulou, M.D., F.A.C.C.

Chris Christodoulou, MD

(53 reviews)

My wife was treated by Dr. C at Huntington ER, and he inserted a stent which saved her life. In a…read morefollow-up visit he prescribed a new statin to which she had an allergic reaction and put her back in the ER. Dr. C recommended a shot, and when a staffer joked about it, we left and never went back. We since switched her to my cardiologist at Keck Medicine of USC in Arcadia.

I don't usually leave reviews, but after four mishandled appointments, lost test results, and a…read morecomplete lack of follow-through on promised care for my elderly father, I had to speak up. The staff repeatedly gave us incorrect appointment times, made us wait for hours, and then claimed we didn't show up rather than taking accountability for losing my father's stress test results -- twice -- and then never followed through on sending him a heart monitor they said was crucial. When I called to follow up, the office manager didn't even know what I was talking about. This wasn't just inconvenient -- it was negligent. They never took accountability nor contacted us to check on him, which only reinforced how careless and uninvested they were in their patients' well-being. We've filed a formal complaint with the Medical Board of California and have been assigned an analyst for further investigation. Patients deserve care that's organized, accountable, and safe -- not chaos. If you care about your time, your health, or your loved ones, I strongly recommend finding a different cardiologist.

Gregor Paronian, MD - internalmed - Updated May 2026

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