@sears -- That's an interesting question. After I did the Mayo Clinic GeneGuide testing I was asked if I wanted to give my permission for it's use by my doctors and I said absolutely. I think my Mayo primary care team can access the information if needed. Not sure I would want the health insurance companies seeing genetic data but that may just be me. Here's some information that may provide some understanding from a physicians perspective.
f
Routine DNA Screening Moves Into Primary Care
-- https://www.npr.org/sections/health-shots/2018/05/22/613090774/routine-dna-screening-moves-into-primary-care

Genetic Testing: A Physician's Perspective
-- https://pubmed.ncbi.nlm.nih.gov/10747371/

What Is the Role of Nongeneticist Physicians, and Are They Prepared for It?
-- https://journalofethics.ama-assn.org/article/what-role-nongeneticist-physicians-and-are-they-prepared-it/2009-09