Harold Portnoy, M.D

NPI 1699762310 · on the registry since 2005

Practice

Address: 29275 Northwestern Hwy
Ste 100
Southfield, MI 48034
Phone: (248) 784-3708
Fax: (248) 784-3743
Organisation at this address: May M Antone Md Pc
Sandra S Lerner Do Pllc
Mendelson Orthopedics Pc
Mendelson Orthopedics Pc
Mendelson Orthopedics, Pc
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 27

Registry record

Primary taxonomy: 174400000X
174400000X
Licence states on file: MI
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Michigan