Greenbrae Dermatology has been treating patients from all over the bay area. Our team of board certified physicians are experts in medical, surgical and cosmetic dermatology. Our patient care is provided with outstanding professionalism and full attention to patient comfort and satisfaction. Further more, our mission is to provide effective professional skin care in a compassionate and patient-friendly environment. 


We offer a full range of dermatological services, from cosmetic and laser treatments to skin cancer screenings and medical dermatology. Cosmetic dermatology is a science as well as and art, and our physicians and nurses are known for their ability to achieve beautiful natural results. We strive for our cosmetic patients to walk away with a youthful, natural appearance and our medical patients to have the resources necessary to treat their concerns and skin conditions.

Please call our office or request to schedule an appointment to visit our providers to assess and manage your skin concerns.





Dr. Tanasovich has been practicing Dermatology in Marin County since 1990. She is board certified and is also Assistant Clinical Professor of Dermatology at UCSF. She Completed her residency in Dermatology at UCSF in 1990 after serving as Melanoma Fellow at the same institution. Prior to that, she completed residency in Internal Medicine as well as an Internship in General Surgery at St. Mary's Hospital in San Francisco She is Board Certified in both Internal Medicine and Dermatology.


Dr. Nichols is a Board-Certified Dermatologist.  He was born in Seattle, Washington and moved to California at a young age.  He attended UC Berkeley for his undergraduate education and the University of Southern California for medical school.  He continued  his training at the affiliated hospitals of the University of Southern California, which include, Los Angeles County-University of Southern California (LAC-USC) General Hospital, Norris Comprehensive Cancer Center, Women's and Children's Hospital and the Children's Hospital of Los Angeles (CHLA).  He returned to the San Francisco Bay Area in 2010 with his wife who grew up in the area.  She is a local physician specializing in Otolaryngology (Ear, Nose and Throat).  His father is a Professor at the University of Southern California School of Medicine, his mother his a retired nurse of over 50 years, his brother is a pediatric psychiatrist and he has several other physicians in the family.


Dr. Maddox has 45+ years of

experience in Dermatology

Board Certifications

  • American Board of Dermatology Certification in Dermatology

  • American Board of Pediatrics Certification in Pediatrics

Education & Training

  • Letterman Army Medical Center (Residency)

  • Medical College Of Georgia School Of Medicine (Medical School)


Dr. Reinke completed her Dermatology Residency training at UC San Francisco in 2006 where she also completed a fellowship in Cutaneous Oncology (focus on melanoma).  She has practiced at several different clinics in the Bay Area and enjoys seeing adults and children. After taking some time off overseas, she is excited to be back caring for patients with her colleagues at Greenbrae Dermatology. Dr. Reinke is Board Certified in Dermatology.




Registered Nurse & Pys.D

Barbara McCoy, R.N., Psy.D has been performing laser treatments in our office since 2002. She also is an expert in Botox and filler treatments such as Juvederm, Voluma and Kybella.


Aesthetician & Electrologist

Daphne Fox has been in the dermatology field as a medical assistant since 2011. Her extensive knowledge on skin and anti-aging led her to become a licensed aesthetician and electrologist. She is skilled in chemical peels, microdermabrasion, acne treatments, anti-aging regimen, and hair removal.




Practice Co-Manager

& Medical Assistant

Chiara has been with Greenbrae Dermatology since 2012. She has extensive knowledge in all aspects of the practice. She is our point person with most billing questions or needs. She can also assist with questions regarding pathology and medications for the Doctors as well as the overall practice.


Practice Co-Manager

& Aesthetician

Daphne has been working for Dr. Nichols since 2011. She has great knowledge in dermatology and skin care. She can answer most questions about the products and services we provide. She can also assist in questions regarding your care and the overall practice.


Medical Assistant

Abby is the main medical assistant to Dr. Tanasovich and Dr. Reinke. She can help with patients pathology results and questions for Dr. Tanasovich or Dr. Reinke.


Medical Assistant

Blanca is the main medical assistant to Dr. Maddox. She can help with patients pathology results and questions for Dr. Maddox.


Medical Assistant

Taylor is the main medical assistant to Dr. Nichols. She can help with patients pathology results and questions for Dr. Nichols.


Front Office Coordinator

Mariela is our main front office coordinator. She assists patients in making appointments, take and forward messages for the Doctors/Assistants, take payments and help with any changes to their demographics. 


Front Office Coordinator

Amanda is one of our front office coordinators. She can assist is scheduling appointments, taking payments, and forward messages to the Doctors/Assistants.

1300 S. Eliseo Drive , Suite #207

Greenbrae, CA 94904

Office: (415) 925-0550

Fax: (415) 925-9062 or (888) 877-8679

Greenbrae Dermatology

1300 S. Eliseo Drive, Suite #207

Greenbrae, CA 94904

Office: (415) 925-0550

Fax: (415) 925-9062 or (888) 877-8679


CALL 911

Appointment Scheduling Policy


We kindly ask patients to give us 24 hour notice to cancel or reschedule an appointment

Arriving 15 minutes after the appointment time may result in rescheduling for another day


There is a $50 fee for missing appointments or "no shows". Please call us if you are unable to make your appointment

Please be sure to always bring in your insurance card and identification every visit

Copyright All Rights Reserved © 2018 by Daphne Fox