Directory listing
Matthew Markis
D.O. · Calabasas, CA 91302
- Specialty
- Psychiatry
- Phone
- (818) 921-4300
- NPI
- 1780944470
- In the federal registry
- Since 2012
- Last checked
- NPPES · Nov 2026
Matthew Markis hasn’t joined MyDeprescriber yet, so the bio, tapering approach and availability aren’t verified. These details come from the federal NPPES provider registry. Are you Matthew? Claim this listing →
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