Our Providers – Dermatologist Medical Group of North County
Serving North County San Diego Since 1976  ·  Oceanside  ·  Encinitas  ·  Carmel Valley
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Meet Your Dermatologists

Our team of board-certified physicians and advanced providers brings decades of expertise to every patient encounter.

Recognized as San Diego Magazine Top Doctors

Our physicians have been consecutively voted Top Doctors by their peers through the San Diego County Medical Society since 2005.

Board-Certified Physicians

Our Dermatologists

14 board-certified specialists in medical, surgical, and cosmetic dermatology

Top Doc 20+ Years
Dr. Robert Scheinberg
Oceanside Carmel Valley

Robert Scheinberg, M.D.

Co-Founder · Physician and Surgeon
American Board of Dermatology
Dr. Scheinberg, board certified by the American Board of Dermatology, is a co-founder of Dermatologist Medical Group of North County. After completing his medical training in New York, Dr. Scheinberg moved to San Diego in 1976. His areas of interest are varied and include Mohs micrographic surgery, sports-related skin disorders, immunologic diseases, and cosmetic dermatology. He is a Clinical Professor of Dermatology at the University of California, San Diego, and has served as past president of the San Diego Society for Dermatologic Surgery.
Areas of Expertise
Mohs Surgery Sports Dermatology Immunologic Diseases Cosmetic Dermatology
UCSD Clinical Professor
Past President, SD Derm Surgery Society
Top Doctor: 2005–2025 (consecutively)
Top Doc 2025
Dr. Susan Shimomaye
Encinitas

Susan Shimomaye, M.D.

Physician and Surgeon
American Board of Dermatology
Dr. Shimomaye, board certified by the American Board of Dermatology, joined the practice in 1988. She received her undergraduate biology degree and medical degree at UCLA, completed a three-year internal medicine residency in Los Angeles, and a three-year dermatology residency at UC Irvine. She is especially interested in dermatologic surgery, including Mohs micrographic surgery, and general medical dermatology. Dr. Shimomaye is an Assistant Clinical Professor of Dermatology at UCSD and an active member of the American Academy of Dermatology and the American Society of Dermatologic Surgery.
Areas of Expertise
Mohs Surgery General Dermatology Dermatologic Surgery
UCLA · UC Irvine Residency
UCSD Asst. Clinical Professor
Top Doctor: 2007, 2010, 2016–2019, 2021–2025
Top Doc 14 Years
Dr. Alice Liu
Oceanside Encinitas

Alice Liu, M.D., Ph.D.

Physician and Surgeon
American Board of Dermatology · Subspecialty Micrographic Dermatologic Surgery
Dr. Liu is a graduate of Princeton University and the Johns Hopkins University School of Medicine, where she received both her M.D. and a Ph.D. in Molecular Biology and Immunology. She completed her internship in internal medicine and dermatology residency at UCLA. Dr. Liu is a Fellow with the American Society for Mohs Surgery and a past president and secretary-treasurer of the San Diego Society for Dermatologic Surgery. She has been practicing general, cosmetic, and surgical dermatology at DMG since 2000.
Areas of Expertise
Mohs Surgery Cosmetic Dermatology General Dermatology Surgical Dermatology
Princeton · Johns Hopkins M.D./Ph.D.
Fellow, American Society for Mohs Surgery
Top Doctor: 2010, 2013–2025 (consecutively since 2013)
Top Doc 14 Years
Dr. Sherry Rotunda
Oceanside

Sherry Rotunda, M.D.

Physician and Surgeon
American Board of Dermatology
Dr. Rotunda joined the practice in 2001. Originally from Virginia, she received her undergraduate degree from Drew University and completed her medical education at Penn State College of Medicine and dermatology residency at Thomas Jefferson University. Dr. Rotunda enjoys building long-term relationships with her patients, treating both minor dermatologic conditions like warts and acne, and more significant diseases such as autoimmune skin disease and skin cancer. She is experienced with newer biologic medications for psoriasis and eczema as well as Mohs micrographic surgery.
Areas of Expertise
Biologics Mohs Surgery Autoimmune Skin Disease Psoriasis & Eczema
Top Doctor: 2009, 2010, 2013–2019, 2021–2025
Top Doc 8 Years
Dr. Michelle Jackson
Carmel Valley

Michelle Jackson, M.D.

Physician and Surgeon
American Board of Dermatology · American Board of Pathology
Dr. Jackson earned her undergraduate degree from Emory University and her M.D. from Morehouse School of Medicine, where she graduated first in her class and was inducted into the Alpha Omega Alpha Honor Medical Society. She completed her internship at the University of Alabama, Birmingham, dermatology residency at UCSD, and dermatopathology fellowship at UT Southwestern Medical Center in Dallas.
Areas of Expertise
Dermatopathology Dermatologic Surgery Cosmetic Dermatology Skin Cancer
Top Doctor: 2018–2025 (consecutively)
Top Doc 5 Years
Dr. Alina Goldenberg
Oceanside Carmel Valley

Alina Goldenberg, M.D.

Physician and Surgeon
American Board of Dermatology
Dr. Goldenberg received her undergraduate degree at UC Berkeley, graduating Magna Cum Laude and Phi Beta Kappa. She earned her MD and a Master's in Clinical Research at UCSD, where she served as Chief Resident. She has authored over 50 peer-reviewed publications and is the Founder and Director of the Contact Dermatitis Clinic. She is an Assistant Clinical Professor in Allergy and Immunology at UCSD. She speaks English, Russian, and Spanish.
Areas of Expertise
Contact Dermatitis Patch Testing Skin Cancer Surgery Laser Therapy Cosmetic Procedures
50+ peer-reviewed publications
Speaks English, Russian, Spanish
Top Doctor: 2021–2025
Top Doc 2025
Dr. Susan Detwiler
Carmel Valley

Susan Detwiler, M.D.

Physician and Surgeon
American Board of Dermatology · Dermatopathology
Dr. Detwiler graduated magna cum laude with a major in Molecular Biology from Princeton University and completed medical school at UCLA, followed by an internal medicine internship also at UCLA. After her dermatology residency at the University of North Carolina at Chapel Hill, she completed a dermatopathology fellowship at Stanford University. She joined the practice in 2003 and is a Voluntary Assistant Clinical Professor at UCSD.
Areas of Expertise
Dermatopathology Acne Skin Cancers Cosmetic Dermatology
Top Doctor: 2023–2025
Top Doc 2025
Dr. Christine Finnin
Oceanside Encinitas Carmel Valley

Christine Finnin, M.D.

Physician and Surgeon
American Board of Dermatology
Originally from New York, Dr. Finnin received her undergraduate degree at Cornell University, graduating Magna Cum Laude in Biological Sciences. She earned her medical degree at SUNY Upstate Medical University, where she was inducted into Alpha Omega Alpha, then completed her internship at Montefiore New Rochelle followed by dermatology residency at New York Presbyterian/Columbia University Medical Center. She joined the practice in 2022.
Areas of Expertise
Medical Dermatology Skin Cancer Detection Skin Cancer Treatment
Top Doctor: 2023–2025
Dr. David Greene
Oceanside

David Greene, M.D.

Physician and Surgeon · Radiation Oncology
American Board of Radiology
Dr. Greene is a San Diego native and graduate of Torrey Pines High School and UC Santa Cruz. He received his MD from the Uniformed Services University of the Health Sciences and served as a Naval Flight Surgeon, completing two combat deployments to Operation Iraqi Freedom. He earned additional qualifications as a Diving and Undersea Medical Officer and Submarine Medical Officer supporting Naval Special Warfare. He completed his radiation oncology residency at UC Davis, where he served as Chief Resident. He received the California State Medal of Merit in 2016.
Areas of Expertise
Radiation Oncology Skin Cancer Radiation Stereotactic Radiosurgery Brachytherapy
Top Doc 2025
Dr. Alexandra Edelman
Oceanside Encinitas

Alexandra Edelman, M.D.

Physician and Surgeon · Mohs Surgeon
American Board of Dermatology (Double Board-Certified)
Dr. Edelman is a double board-certified dermatologist and fellowship-trained Mohs micrographic surgeon. She completed her undergraduate degree at the University of Michigan, graduating Summa Cum Laude and Phi Beta Kappa. She earned her medical degree at George Washington University (inducted into Alpha Omega Alpha and Gold Humanism Honor Society), completed her internship at UCLA, dermatology residency at the University of Louisville as Chief Resident, and Procedural Dermatology fellowship at Washington University. A San Diego native, she's thrilled to be back home.
Areas of Expertise
Mohs Surgery Facial Reconstruction Laser Therapy Cosmetic Dermatology
Top Doctor: 2024–2025
Dr. Rosina Lin
Oceanside Encinitas

Rosina Lin, M.D.

Physician and Surgeon
American Board of Dermatology · Fellow, AAD
Dr. Lin is an alumna of Jefferson Medical College with Internal Medicine training at Thomas Jefferson University Hospital. She completed her dermatology residency at Wright State University as Chief Resident. With over 25 years of experience as a board-certified dermatologist, Dr. Lin emphasizes the importance of daily sun protection and regular skin cancer screening. She is an advocate for minimally invasive cosmetic procedures and is active in the American Contact Dermatology Society and American Society of Dermatologic Surgery.
Areas of Expertise
General Dermatology Surgical Dermatology Skin Cancer Screening Minimally Invasive Cosmetics
Dr. Tyler Werbel
Oceanside Encinitas

Tyler Werbel, M.D.

Physician and Surgeon · Mohs Surgeon
American Board of Dermatology
Dr. Werbel is a board-certified dermatologist and fellowship-trained Mohs micrographic surgeon. Originally from Florida, he graduated Summa Cum Laude and Phi Beta Kappa from the University of Florida with dual degrees in Economics and Biochemistry, plus a master's in Finance. He earned his medical degree at UCSD, followed by an internship at Scripps Mercy Hospital and dermatology residency at the University of Florida. He completed his Micrographic Surgery and Dermatologic Oncology fellowship at the University of Florida, where he was inducted into the Gold Humanism Honor Society.
Areas of Expertise
Mohs Surgery Facial Reconstruction Cutaneous Oncology Skin Cancer Prevention
Dr. Abram Beshay
Oceanside Encinitas

Abram Beshay, M.D.

Physician and Surgeon
American Board of Dermatology
Dr. Beshay earned his undergraduate degree in Physiological Sciences from UCLA and his medical degree from Eastern Virginia Medical School, graduating among the top of his class. After an Internal Medicine internship at Riverside Community Hospital, he completed his Dermatology residency at the University of Utah, where he served as chief resident. He is passionate about building lasting relationships with patients and is dedicated to preventing and detecting skin cancer.
Areas of Expertise
Skin Cancer Detection Dermatologic Surgery Acne Eczema Psoriasis
Dr. Dimitri de Kouchkovsky
Oceanside Encinitas

Dimitri de Kouchkovsky, M.D., Ph.D.

Physician and Surgeon
American Board of Dermatology
Born in France, Dr. de Kouchkovsky graduated with honors from UC Berkeley and earned his MD and PhD from Yale University with a focus on immunology. He completed his internship at UC Irvine Medical Center and dermatology residency at UCSD, where he developed a passion for patient-centered care treating complex dermatological conditions. He is bilingual, speaking both English and French.
Areas of Expertise
Medical Dermatology Surgical Dermatology Complex Skin Conditions
Speaks English & French
Yale M.D./Ph.D. (Immunology)
Advanced Practice Providers

Physician Assistants & Nurse Practitioners

Licensed, highly skilled healthcare professionals trained to provide patient evaluation, education, and specialized dermatology care.

Mitzi Bray

Mitzi Bray, MSPAS, P.A.-C

Physician Assistant, Certified
Ms. Bray joined the practice in 2002 and brings many years of specialized dermatology experience. A California native, she received her education at Westmont College and her Masters of Physician Assistant Studies from Western University of Health Sciences.
Oceanside
Amanda McConnell

Amanda McConnell, MSPAS, P.A.

Physician Assistant
Ms. McConnell joined the practice in 2003 with many years of specialized dermatology experience. A California native, she attended Cal Poly San Luis Obispo and earned her Master of Physician Assistant Studies from Western University of Health Sciences.
Oceanside Encinitas
Melissa Janovitch

Melissa Janovitch, MSPAS, P.A.-C

Physician Assistant, Certified
Ms. Janovitch joined in 2013 after graduating from Loma Linda University's PA program. Originally from Las Vegas, she began her dermatology career in 2009. She is a fellow of the American Academy of Physician Assistants and a member of the Society of Dermatology Physician Assistants.
Oceanside Encinitas
Susan McKim

Susan McKim, MS, P.A.-C

Physician Assistant, Certified
Susan joined in 2021 with over 13 years of specialized dermatology experience. A UCSD alumna with a double major in Biology and Psychology, she earned her MS from Chicago Medical School. Her interests include skin cancer screening, dermatologic surgery, cosmetic dermatology, Botox, chemical peels, and laser therapy.
Carmel Valley
Naomi Travers

Naomi Travers, MSN, DCNP

Dermatology Certified Nurse Practitioner
Naomi brings over 23 years of experience. She earned her MSN from UCSF, began her career at UC Davis Medical Center, then spent over 10 years as a laser specialist at the Skin and Cancer Foundation in Australia. She treats the full spectrum of dermatology conditions and speaks English and Spanish.
Oceanside Encinitas
Notice to Consumers: Medical doctors are licensed and regulated by the Medical Board of California. (800) 633-2322 · www.mbc.ca.gov

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