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Robert Grenn, MD
NPI 1366079915 · on the registry since 2020 · sole proprietor
Practice
- Address
- 2040 Chambers Rd
Caro, MI 48723 - Phone
- (989) 673-3191
- Organisation at this address
- State Of Michigan Office Of Financial Management
Inferred from a shared address, not stated in the registry.
- Clinicians at this address
- 4
Registry record
- Primary taxonomy
- Psychiatry Physician
2084P0800X
- Licence states on file
- MI
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-04-11
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