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28 years of experience
Video profile
Accepting new patients

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Overall Rating:
  • Currently 4 of 4 stars
Total Ratings


Total Reviews


4 stars
3 stars
2 stars
1 star
Ease of Appointment:
  • Currently 3.75 of 4 stars
  • Currently 3.4545454545455 of 4 stars
Courteous Staff:
  • Currently 3.5833333333333 of 4 stars
Accurate Diagnosis:
  • Currently 3.2857142857143 of 4 stars
Bedside Manner:
  • Currently 3.5714285714286 of 4 stars
Spends Time with Me:
  • Currently 3.3076923076923 of 4 stars
Follows Up After Visit:
  • Currently 3.3333333333333 of 4 stars
Average Wait: 22 minutes
Some ratings provided by Practice Fusion. Yahoo. DrScore.
  • Currently 4 of 4 stars
 |  THE BEST DR IN OC  |  show details
by Donna P on Sep 9th, 2014

I was referred to Dr Robertson 3 years ago after my Dr of 40yrs shut down her practice OBAMA CARE Dr Robertson was so very honest with me regarding my issues of health and his reccomendations as to what I needed to live a quality of life not just quanity. My sister my brotherinlaw my brother my children&many friends I have referred to him THEY LOVE HIM!His office nurse LILLY the best it takes others forever to get blood from my arm One Shot lilly has got it and over with ultra sounds 3D tests and xrays blood all done One Stop Dr's office ....After 40 years with the same Dr I was scared that I would not be able to find that Great Dr Patient Relationship again But I did with Dr Robertson&His Staff! God Bless them for really caring for their Patients!

  • Currently 1 of 4 stars
 |  Don't ask a barber if you need a haircut.  |  show details
May 6th, 2014

Go somewhere else if you want good efficient treatment. Dr. Robertson is into making money. He did every test I could imagine to milk my insurance company. Even the CT scan next door that he owns billed a fortune for a 15 minute scan. Most all tests were "normal". I didn't get any better after a $4,000 bill!

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  • Currently 4 of 4 stars
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Oct 28th, 2013

Dr Robertson has been my 92 year old Fathers Dr for 20 years. My dad has never liked going to the Dr and Dr Robertson is the first one I can remember. I am grateful for the attention and concern my Dad continues to receive.

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  • Currently 4 of 4 stars
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Oct 27th, 2013

Recently, Dr. Robertson guided my husband through a series of tests to determine the cause of his internal bleeding. The concern was obvious. The problem was solved when he referred us to Cedars Sinai Hospital in Los Angeles, and a double balloon endoscopy was performed. Dr. Robertson has been our doctor for 20 years and continues to be. I would definitely recommend him.

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  • Currently 4 of 4 stars
 |  I'm an M.D., and Greg cared for my father, my brother and for me.  |  show details
by Steven J. Smith, M.D. on Oct 2nd, 2013

Dr Robertson and I met during our first years in practice. I was impressed that my dads doctor, Dr Skinner, the sharpest internist I had met, in 1980 when he decided to retire, referred my dad to Greg, without knowing he and I were friends. Dr Robertson also cares for my brother, altogether we are talking about 65 to 70 years of care. One of things I REALLY REALLY appreciate about Dr Robertson is his comprehensive knowledge of many areas of medicine. Twice I have been injured and needed orthopedic surgery. Both times I was referred the same day, with Dr Robertson calling the surgeons office and making my appointment. Both times he diagnosed me correctly, and his sense of the urgency saved me from further damage. Thanks Greg!!! During routine appts the office is thorough, but with a casual air, that would serve to make anyone, even those the most uncomfortable at the doctor, feel at peace. When something could be wrong, say an abnormal lab test, the office swings into a different gear, that frankly, has many a time left me feeling a sense of confidence. As a physician, I could probably see any doctor in the county, but Dr Robertson is my doctor, and over the years has become a friend. I give him 4 stars.......but only because 5 or 6 was not an option.

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  • Currently 1 of 4 stars
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Aug 14th, 2013

Dr. Robertson is not a good Dr. My father has internal bleeding causing severe anemia. Instead of talking to my father and explaining what is going on, and trying to find the source of the bleeding, he directs him to get over 10 blood transfusions over the course of three weeks. He offers no guidance, no explanations. Now, the numerous transfusions have created secondary problems. My father has been hospitalized 3 times when he should have only been hospitalized once because this Dr. Did not order the necessary tests and procedures to determine the source of my father's internal bleeding. When asked questions by family members, he became extremely rude and defensive. He is very unprofessional. As well, he is not honest about the fact that he diagnoses only what is covered by insurance. Dr.s should give families the option and explain first and foremost what is medically needed without regard as to whether it is covered by insurance.

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  • Currently 4 of 4 stars
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Sep 9th, 2012

Above and beyond all the others...Immediate trust and confidence with his care...Knows the latest of treatments..drugs...procedures etc... I appreciate the straight forward dialogue..and the ability to make an appt. or get in touch for emergencies... Even if he's busy..its worth the have this trust in my doctor..

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  • Currently 4 of 4 stars
 |  Dr Robertson is great  |  show details
Oct 21st, 2010

Dr Robertson is fantastic, I used him several years back on a recommendation of a friend and he has been my physician ever since. Signed - 49 Year male patient

  • Currently 4 of 4 stars
 |  What a great doc!  |  show details
Oct 12th, 2010

What a nice dr. He explained everything very well. Ge put me on track. I feel Dr. R is taking great care of me.thanks Dr. R

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  • Currently 4 of 4 stars
 |  Family of one of your patients  |  show details
Aug 5th, 2009

I received an email regarding out caring and compassionate Dr. Robertson at her appointment yesterday. While she has been fighting acute fibro myalgia and taking medications for depression and pain, Dr. Robertson seemed deeply concerned about how she was feeling, looking closely at all of her medications and pinpointing what has been making her nauseous. Dr. Robertson seemed to be one of a kind. Thank you for your care and compassion for my cousin.

  • Currently 2 of 4 stars
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Jan 2nd, 2009

I'll be polite. I went to another Doctor to find out what was wrong with me.

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  • Currently 4 of 4 stars
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Sep 7th, 2007 on

Absolutely wonderful doctor with a modern office!

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