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Dr. Gruenn has offices in Los Angeles and Ojai.
He sees patients in Los Angeles on Thursdays
and in Ojai on Tuesdays.
Office Hours
Monday - Thursday 9:00 am to 4:00 pm
Closed for lunch 1:00 pm to 2:00 pm
Fridays: both offices are closed
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Phone Hours
Monday- Thursday 10:00 am to 12:30 pm and 2:00 pm to 4:00 pm
Friday Closed
Phone
Los Angeles office: 310.699.4199
Ojai office: 805.633.9121
Holiday Closures
New Years Day
Memorial Day
Independence Day
Labor Day
Thanksgiving
Christmas Day, December 25
For frequently asked questions regarding appointments, changes, emergencies, lab results... please click FAQs above
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Dr. Gruenn's Patient Portal (established patients)
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Instructions for Patient Portal Registration (new patients)​
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LOCATIONS & OFFICE HOURS
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