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    Mostafa Tabassomi, M.D

    4.1 (27 reviews)
    Closed 9:00 am - 5:00 pm

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    4 months ago

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    8 months ago

    Dr Tabassomi has great BSM, is prompt with appointments and is very kind. He's got a great staff as well and they make all the difference.

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    1 year ago

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    7 years ago

    Smart, highly skilled, easy to talk to. Overall, great doctor. He knew exactly what tests to do to give me a final answer. Highly recommend.

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    Ask the Community - Mostafa Tabassomi, M.D

    Review Highlights - Mostafa Tabassomi, M.D

    Tabassomi just ordered a scan to check my lung condition and I am SO happy to say that my lungs are clear!

    Mentioned in 18 reviews

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    Offenberger Jacob, MD - Allergy & Asthma Relief Experts - Allergy prick skin test results fast within 20 minutes. No pain or marks left behind. Test for indoor outdoor environment and food

    Offenberger Jacob, MD - Allergy & Asthma Relief Experts

    2.9(76 reviews)
    10.9 miGranada Hills

    Dr. Jacob Offenberger is honestly pretty amazing and his practice is a rarity in the medical world…read more He's a truly skilled, INTUITIVE, and compassionate doctor who loves and excels at his craft as well as helping patients. He respects tradition and has a generally old school approach, yet is completely able to think outside of the box. Where other doctors see a "yep, that's above my pay grade", he sees a challenge to be tackled, thoroughly investigated and resolved efficiently. His bedside manners are also great once you get to know him a bit. I think he is an ENTJ enneagram 2 for reference; we need more doctors like him :) His staff is also incredibly patient, competent, and sweet --his practice is truly dedicated to improving lives. The np supervisor, Danielle is so kind and efficient in her work despite the high volume of patients. She's been so helpful and always manages to squeeze me in when I'm in a pinch. Do not let the no-frills decor and his gruff, straight-shooting demeanor intimidate you. Dr. Offenberger has provided excellent care for my very complex case. He's restored my trust in medicine to a marked degree.

    My GP referred Dr Offenberger after I had allergy indications on blood test. Said he is excellent…read moredoctor & worth waiting to see. She'd been referring patients for 20 years. Always got positive feedback. My appointment was 10:30am this morning. I arrived early to fill out paperwork. Receptionist was efficient & pleasant. I was called in at 10:40am. I was shown room & asked few extra questions. The Dr came in. Said "Hello, how are you?" After I said "Fine " he asked why was I there? I showed him Allergy Blood test results and recent blood test that had an allergy marker. Then said I'd been having headache on left side head, He immediately assured me wasn't due to allergy were migraines. "Allergies can trigger migraines but are not the cause" Said if I hadn't had any histamines for a week he'd do prick test which is more reliable than the blood test. Nurse came in and gave me prick test on both arms. She was nice & good at explaining. Said it'd take 20 minutes & I'd go home with results. 10 min after being pricked the Dr came in checked my arms and said "good. 10 more minutes" Exactly 10 minutes later nurse came in and put antihistamine cream on the pricked areas. dr came in & said results were good news. Nothing major. Small reaction to dust mites. Foods all negative. Could eat anything I wanted. Only needed to take Zyrtec when Santa Ana's kick in. Gave me prescription. Smiled , shook my hand & left. Like this guy! He is direct no nonsense efficient. From my experience I don't think he deserves the negative reviews. I'd definitely go back again. Btw, is older medical bldg on corner of San Jose & Balboa (with a light.) Plenty Parking in back lot. $4 ( credit card pay only) for the hour I was there. Elevator to 3rd floor. Wheelchair compliant.

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    Offenberger Jacob, MD - Allergy & Asthma Relief Experts - Dr. Offenberger

    Dr. Offenberger

    Offenberger Jacob, MD - Allergy & Asthma Relief Experts - Front door of the Lab

    Front door of the Lab

    Offenberger Jacob, MD - Allergy & Asthma Relief Experts

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    Mostafa Tabassomi, M.D - pulmonologist - Updated June 2026

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