How do I know I am getting reliable information about HIPAA?

You want to look at the quality of credentials of the consultant, company, or author. Many people claim expertise and either do not have credentials, or have done a few hours of training. Certain credentials require a rigorous exam, much like a licensing exam. The following are excellent credentials:

American Health Information Management Association (AHIMA) Certified in Healthcare Privacy and Security (CHPS)
Healthcare Information and Management Systems Society (HIMSS) Certified Associate in Healthcare Information and Management Systems (CAHIMS)
Certified Professional in Healthcare Information and Management Systems (CPHIMS)
Information Systems Audit and Control Association (ISACA) Certified Information Systems Auditor
Certified Information Security Manager
Certified in Risk and Information
Systems Control (CRISC)
Cybersecurity Nexus (CSX Certificate) & ( CSX-P Certification)
(ISC)² (Inspire,Secure,Certify) Certified Information Systems Security Professional (CISSP)Certified HealthCare Information Security and Privacy Practitioner (HCISPPsm)
International Association of Privacy Professionals (IAPP) Certified Information Privacy Professional (CIPP)