Motorola Photon 4G :: Dialer Does Not Dial Primary Number

I am not able to understand the behavior of photons stock dialer application. Say I have 3 gmail contacts with phone numbers listed in order mobile first and Home afterwards:

Mike
Mob:XXXXXXX
Home:YYYYYYYYY

Dan
Mob:AAAAAAAA
Home:BBBBBBBBBB

Tim
Mob: CCCCCCCCC (set as primary selected)
Home: DDDDDDDDDD

To dial Mike from the Dialer, i key in 6453, Its brings up Mike with Home number
To dial Dan from the Dialer, i key in 326, Its brings up Dan with Mobile number
To dial Tim from the Dialer, i key in 846, Its brings up Tim with Home number

As you can see above the behaviour seems to be random. I want it to always bring up the mobile number. For this I tried couple of things below (did not work):

1. Deleted all contacts from phone and gmail and imported to gmail from csv again ensuring the order of phones listed is correct. I even verified after sync to photon that the order is mobile first and then home for all contacts.
2. Tried setting Mobile number as primary number by pressing the number under contact and setting it as primary (like for Tim above).