PROSPECT MEDICAL SYSTEMS Report changes or incorrect information for : We are dedicated to keeping our provider information current. To report changes or incorrect information, use the form below. You may also call us at 800-708-3230 (Mon-Fri 8am-5pm PST), or send us an email at ProviderDirectoryUpdates@prospectmedical.com. Age Restrictions Contracted Health Plan Gender Medical Group Affiliation Office Address Office Hours Office Name Phone / Fax Provider Name Provider/Office Languages Other / Additional Information (250 chars max): Your email address (optional)