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About Clear Allergy

Clear Allergy is a leading allergy and immunology clinic that provides exceptional care to people of all ages, from infants to seniors. Centrally located on the Westside of Los Angeles, in Downtown Culver City, the practice helps its patients regain control over their allergies and rediscover the joys of life.

The highly skilled doctors at Clear Allergy are board-certified allergists and immunologists that provide a healthy combination of state-of-the-art techniques and tried-and-true treatments. They always stay up to date on the latest advances in medical science, devote ample time to each patient, and emphasize patient education, all in order to provide high-quality care that is empathetic and comprehensive.

Some of the therapeutic services offered at Clear Allergy include allergy tablets, sublingual immunotherapy, allergy shots, immunizations, immunoglobulin therapy, skin care education, and biologic injectable medications, such as Xolair®, Dupixent®, Nucala®, Fasenra™, and Cinqair®. 

Clear Allergy also offers safe, gentle, and accurate testing, including scratch and intradermal skin testing, patch testing, laboratory tests for allergy diagnosis, drug allergy testing, venom allergy testing, oral food challenges, pulmonary function tests, peak flow meters, and immune deficiency evaluations.

At the Clear Allergy offices, the patient is the priority, which is why patients are delighted with short wait times, friendly staff, and a warm and inviting office space. In fact, patients often feel better the second they walk in the doors.

They see patients from West LA to the South Bay including Beverly Hills, West Hollywood, Santa Monica, Playa Vista and Manhattan Beach.



Words from our patients

  • Healthgrades

    I have been seeing Dr. Marks for 2 years-she has really helped my allergies and asthma. I feel much better.

    Levi M.
  • Healthgrades

    Great bedside manner, very thorough, and knowledgable-highly recommend.

    Lea B.
  • Vitals

    Our son has food allergies, eczema, and asthma, and she has helped us navigate all the changes with such great knowledge and compassion.

    Verified Patient
  • Google

    Dr. Marks is so thorough and thoughtful. She really thinks about each patient uniquely.

    Linda S.
  • Google

    We've had nothing but great experiences with Dr M-C and team. Her knowledge is up to date, she's willing to spend as much time as necessary with patients and parents.

    Felicia Y.
  • Yelp

    Dr. Katie is exceptional with both of my kids. My 4 year old had an egg allergy and she was so amazing with him that he never minded getting allergy tested with her.

    Mia F.
  • Yelp

    I can't recommend Dr Marks-Cogan enough! You can clearly tell that she cares about each and every one of her patients.

    Annie Y.


Clear Allergy
3831 Hughes Ave, Suite 600A
Culver City, CA 90232
Phone: 424-603-4544
Fax: 424-603-4546

Office Hours

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