To that end she is entitled to privacy with regard to her Protected Health Information. This is required by federal statute, The Health Insurance Portability and Accountability Act (HIPPA) of 1996.
HIPPA only applies to health care and insurance personnel. Chief Cooper doesn’t have the right to withhold this information. Only her Doctor, insurance co, and facility of treatment do. A more applicable argument, is that it’s in her employee file and not available under the public doc. policies, aka the “Sunshine Laws”.