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Medical, Surgical & Cosmetic Dermatology

Contact Us

Thank you for choosing Dermatology Affiliates Medical Group, as your healthcare provider. For questions please use the contact form below. To schedule an appointment with us please use the button at the top of the screen. A representative from our office will contact you as soon as possible. You may also call our Modesto office at 209-524-9481. Dr. Catherine A. Biren, M.D. & Associates look forward to serving you!


1324 Nelson Ave., Suite B
Modesto, CA 95350

Phone: 209-524-9481
Fax: 209-524-9486

Office Hours:
Monday, Wednesday, Thursday, Friday: 8:00 a.m. – 4:30 p.m.
Tuesday: 8:00 a.m. – 5:00 p.m.

Oakdale (Satellite Office)
1425 West H Street, Suite 380
Oakdale, CA, 95361

Phone: 209-848-0916

Office Hours
Thursday: 1:00 p.m. – 4:30 p.m.

Contact Form

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