Mark L. Katz, MD, is a psychiatrist practicing in Long Beach, California, with a focus on addiction psychiatry. Long Beach also has 120 psychiatrists and 293 psychologists listed in this directory.
Addiction Psychiatry
Psychiatric treatment of substance use disorders, often alongside other mental health conditions.
This listing comes from the public NPI registry. Confirm availability, insurance and fit directly with the practice.
Listings are based on the public National Plan and Provider Enumeration System (NPPES) registry and may not reflect current availability, insurance, or license status. Always confirm details directly with the provider. Are you a listed psychiatrist? Claim or update your profile.