Home Providers MICHAEL K GREENBERG MK Listed MICHAEL K GREENBERG WALDORF General Counseling License & Credentials License Type Psychiatrist (MD/DO) Specialization (NPI) Psychiatry & Neurology, Neurology NPI Number 1932192150 Verify on NPI Registry (Search: 1932192150) Ask Mia Mia Online New chat Hi, I'm Mia. Tell me what kind of support you're looking for, and I'll guide you to the right fit. Providers near me