
Dr. Timothy Hermosura Almazan, MD, is a board-certified dermatologist who established H Dermatology to create a medical home for patients and clients with acute or chronic skin conditions. His practice welcomes those of all ages and is well equipped to address skin concerns of any complexity.
Dr. Almazan grew up in Cerritos and completed all educational milestones within the state of California. He is proud to set up shop and serve in his own hometown.
H Dermatology places an emphasis on patient comfort and achieving a high standard for quality of care. The practice prides itself in its medical expertise, attention to detail, kindness, and shared decision making between doctor and patient.
Dr. Almazan is a Stanford School of Medicine trained dermatologist (where he completed both dermatology residency and a fellowship in cutaneous lymphoma). He earned his bachelor’s degree at UCLA and his MD from the UC San Diego School of Medicine. He is a fellow of the American Academy of Dermatology and a diplomate of the American Board of Dermatology.

Nicole Yee, PA-C, is a board-certified physician associate trained in dermatology. She graduated with honors from the Master of Science Physician Assistant program at Loma Linda University and went on to complete a dermatology fellowship with the Society of Dermatology Physician Associates. During her free time, Nicole loves to travel, dance, and play with her two dogs

Crystal is a licensed aesthetician at H Dermatology with over two decades of experience in the skincare industry. She began her journey in aesthetics after graduating from school in 2002. As a Southern California native Crystal brings a deep understanding of her community and a genuine passion for helping others feel confident in their skin.
Committed to excellence, Crystal continually advances her expertise by taking ongoing skincare education courses to stay current with the latest aesthetic treatments and refine her skills. She is certified in HydraFacial treatments and chemical peels, allowing her to provide clients with safe, effective, and results-driven care.
Known for her warm, personable approach, Crystal is dedicated to creating a welcoming environment where every client feels valued, cared for, and supported. She believes in building lasting relationships and serving as a trusted ally in each client’s skin health journey.
Outside of the office, Crystal is family-oriented and enjoys spending time with loved ones and friends. She has a passion for health and wellness, starting her mornings with workouts that include boot camp, yoga, and Pilates. In her free time, she enjoys cooking, baking, hiking, paddle boarding, traveling, and organizing spaces. She is also an animal lover and the proud fur mom of her 14-year-old cat, Bobby.

Aditi is a medical assistant at H Dermatology! Outside of H Derm, she's a Master's of Public Health student and enjoys painting, dancing, and trying new coffee shops. She hopes to be a physician in the future.

Anisha is a Cerritos native and proud Whitney High School Alumna who loves giving back to the community she grew up in. She is one of our many medical assistants with a Bachelor of Science in Cell and Molecular Biology and Physiology. In her free time, she enjoys attending concerts, exploring new restaurants and coffee shops, and ma
Anisha is a Cerritos native and proud Whitney High School Alumna who loves giving back to the community she grew up in. She is one of our many medical assistants with a Bachelor of Science in Cell and Molecular Biology and Physiology. In her free time, she enjoys attending concerts, exploring new restaurants and coffee shops, and making the most of SoCal beaches. Anisha is currently working towards getting into medical school

Ralph is a Cerritos native who finds joy in serving his local community. He is one of our many Medical Assistants with a Bachelor of Science in Biology. He enjoys all our local beaches, thrift shops, and sushi spots. Ralph is currently working towards being a Physician Assistant.

Danielle is part of the front desk team at H Dermatology. When she is not checking in patients, Danielle teaches dance classes in Los Angeles. She also loves to go on walks, visit beaches, and listen to music.

Keira is part of the H Dermatology front desk staff and is currently studying business administration. When she’s not at work, she enjoys dancing, trying out new cafes, and reading. She hopes to become an accountant in the future!

If you hear music or laughter in the office, it’s probably Ivy. With 20+ years of experience under her belt, Ivy is a customer service expert who keeps things fun. Proudly Mexican and bilingual (Spanish), she brings a love for horror movies, all things Halloween, and a passion for fashion (and an unbeatable shoe collection), and undyi
If you hear music or laughter in the office, it’s probably Ivy. With 20+ years of experience under her belt, Ivy is a customer service expert who keeps things fun. Proudly Mexican and bilingual (Spanish), she brings a love for horror movies, all things Halloween, and a passion for fashion (and an unbeatable shoe collection), and undying loyalty to the Dodgers to work every day. Outside of work, you’ll find her cooking, getting her nails done, and enjoying the comfort of home with her son, daughter-in-law, and fur grandbaby named Grizzlee Bear

Grace is the Assistant Office Manager at H Dermatology, where she is committed to create a smooth welcoming experience for both patients and staff. As a Cerritos native, she enjoys spending quality time with her kids and her dog, and loves discovering new places to eat.

Kenny is the Practice Manager at H Dermatology. He loves being part of the H Dermatology team and working to help everyone thrive. Outside the office, he enjoys fitness, spending time with family and his dog, and hunting down new matcha shops and restaurants.

Momo is a friendly mini golden-doodle and all around good boy.
He is H Dermatology's greeter and is happy to meet you!
He loves going on walks, playing fetch, and being around humans when they're eating.

"Greeting is a busy job, so I nap to recharge! Thank you for visiting me at H Dermatology!" - Momo
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