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Mark O'Brien, D.O
NPI 1497744247 · on the registry since 2005
Practice
- Address
- 161 Thunder Dr Ste 210
Vista, CA 92083 - Phone
- (760) 216-6500
- Fax
- (760) 295-4753
- Organisation at this address
- Noble Ama Ipa
Breath Of Life
Asbac Pharmacy Inc
Steven Fish Md Inc
Med Matrix Pharmacy, IncInferred from a shared address, not stated in the registry. - Clinicians at this address
- 17
Registry record
- Primary taxonomy
- Internal Medicine Physician
207R00000X
- Licence states on file
- CA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-04-01
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 California