Dr. Drew Pinsky's alleged stalker Charles Pearson just pled not guilty to six felonies -- one count stalking and five counts of criminal threats.
During Pearson's arraignment, which took place moments ago in Pasadena, CA, his bail was upped to $400,000.
was also issued, which states Pearson must stay 500 yards away from Dr. Drew, his wife and children for three years.
Pearson -- who was arrested on Wednesday at Pierce College in Woodland Hills after he allegedly sent Dr. Drew threatening messages over the Internet -- is due back in court on March 18.
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