The phone number on the MedicAlert bracelet is 209-634-4917. As of 2015, it is still the correct number for the MedicAlert foundation, which was founded in 1956.
At the very beginning of this episode, a woman is seen walking past a tombstone. The name of the tombstone is JOE ALTADONNA 1867-1989 OUR BELOVED SON. Joseph M. Altadonna is the name of the person who was the Art Director of the show.
When Frank is offered the chance to guess the price for the motorcycle, it was impossible for him to win. He went last, and the correct price had already been guessed by the contestant immediately before him- he could not guess the same price. His lack of knowledge of the price was therefore irrelevant.
On the traffic stop, Ponch says the driver Bob and his female passenger Carey are on a soap opera he watches. Both the driver, Tom Hallick, and the passenger, Jaime Lyn Bauer, had played characters on The Young and the Restless (1973). Hallick did so in 1973 and Bauer in 1975 through 1976. Hallick also had a minor role in CHiPs '99 (1998).
The motorcycle price was for $3,695. If adjusted for inflation, that would be equivalent to about $15,750 now.