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
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WE ARE CLOSED DECEMBER 23, 2024 UNTIL JANUARY 6, 2025
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Memorial Day
Independence Day
Labor Day
Thanksgiving
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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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