Los Alamitos

Pioneer Medical Group has the following locations to serve you. Please click on a phone number to call one our offices directly.

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3851 Katella Ave Ste #155 
Los Alamitos, CA 90720
Phone:  (562) 344-1350 
Fax: (562) 344-1354


Office Hours

Monday - Friday 8:00 a.m. - 5:00 p.m.

Lab and radiology services may be limited on any given day due to staffing limitations. Please call in advance to confirm service hours.


Physicians at the Los Alamitos office

Salima Hassanali, D.O.
Michael  Maehara, M.D.
Sasha Maher, D.O.




Contact us at: (877) 552-5752
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