Other mistake: In the opening shot of the dead girl, there's a $1 bill next to her face. However, the picture on the $1 is not George Washington.
The Eagle and the Osprey - S6-E1
Other mistake: When Walt is at his home waiting for a callback about the trace, his landline rings. However, the subtitles say [cellphone rings]. It's well established Walt doesn't have a cellphone.
Answer: This appears to be movie fiction. In real life, a pharmacist could not legally give out confidential patient information without there being a search warrant. Not abiding by confidentiality laws could result in a pharmacist facing legal issues and losing his or her license.
raywest ★