John L. Schwartz, PHD/PSYCHOLOGISTPHD/PSYCHOLOGISTUnclaimed · claim itPsychologist — ClinicalBaumholder, AA3+ years experienceRegistered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(248) 891-2824NPI 1811677370View Profile Claim