Search › Maine › 103TC0700X
John O'Brien, PH.D
NPI 1720083504 · on the registry since 2005
Practice
- Address
- 465 Congress St
Ste 700
Portland, ME 04101 - Phone
- (207) 773-2828
- Fax
- (207) 761-8150
- Clinicians at this address
- 6
Registry record
- Primary taxonomy
- 103TC0700X
103TC0700X
- Licence states on file
- ME
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 Maine