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With a background internal medicine and dermatology, Ronald Rigor, MD, can get to the root of complex skin health concerns. As the founder of Rigor Dermatology & Laser Center, Dr. Rigor welcomes new and existing patients to the state-of-the-art Diamond Bar and Pasadena, California, clinic locations.

Dr. Rigor completed medical school at the Fatima Medical Science Foundation at Fatima University (formerly Our Lady of Fatima College) in the Philippines. After relocating to the United States, Dr. Rigor went through internship and residency training in internal medicine and dermatology. He’s currently board certified in dermatology through the American Board of Physician Specialties, in addition to being board certified in internal medicine through the American Board of Medical Specialties.

Because Dr. Rigor has been practicing for over 18 years, he’s a trusted expert in overall health, wellness, and dermatological medicine. He serves as a faculty member at the Azusa Pacific University Nurse Practitioner Program, where he teaches residency students dermatology for internal medicine.

Not only does Dr. Rigor speak English, but he’s also fluent in Spanish and Tagalog, affording him the opportunity to communicate with patients from diverse cultural backgrounds. He’s known for providing the highest quality care by using the most advanced technology and treatment solutions.

A Los Angeles native, Dr. Soleymani completed his undergraduate studies in Evolutionary Biology at UCLA. He went on to graduate from the University of California, Irvine School of Medicine, during which time he was awarded numerous accolades for academic excellence and was inducted into the prestigious Alpha Omega Alpha honor society, considered widely to be the highest award bestowed in medical school.

Dr. Soleymani completed his internship at Cedars-Sinai Medical Center, where he was awarded the UCLA David Geffen School of Medicine Excellence in Teaching with Humanism Award. He then went on to complete his residency at Stanford University in Palo Alto, California, one of the world’s most premier dermatology training programs. While at Stanford, Dr. Soleymani worked with world-renowned experts in cutaneous oncology and complex skin diseases and was the recipient of various academic awards and distinctions. 

Following residency, Dr. Soleymani completed a rigorous fellowship in Mohs Micrographic Surgery, Cutaneous Oncology, and Facial Plastic and Reconstructive Surgery at the Zitelli and Brodland Skin Cancer Center under the tutelage of John Zitelli, M.D., considered by many to be  the world’s most prestigious and competitive fellowship program. His fellowship was directed by both John Zitelli, M.D. and David Brodland, M.D, widely considered to be two of the pre-eminent leading authorities in Mohs surgery. Notably,  Dr. Soleymani’s fellowship director, Dr. John A. Zitelli, MD, was trained directly by Dr. Frederic E. Mohs himself, the founder and pioneer of Mohs surgery. This direct lineage from Dr. Mohs enables Dr. Soleymani provides his patients with the highest-quality Mohs surgery possible. Additionally and in much acclaim, Dr. Soleymani’s unique fellowship training was the only program in the world that included fellowship training in both Mohs Micrographic Surgery and Facial Plastic and Reconstructive Surgery as well.  As a result he is one of only a handful of Mohs Surgeons in the world with dedicated specialized training in Facial Plastic and Reconstructive Surgery as well, allowing him to provide the best possible functional and aesthetic reconstructive results. 

Dr. Soleymani also completed a fellowship in dermatopharmacology, clinical trials and drug development at the famed Ronald O. Perelman Department of Dermatology at NYU in New York City.  During this time, he was a co-investigator for over 14 different investigator-initiated and industry-sponsored, multi-center, phase I-III clinical trials developing new drugs for various diseases in dermatology. His work during his fellowship earned him the coveted Maurice Husik, M.D. Award for Best Research.

Prior to establishing California Dermatology and Mohs Surgery Specialists, Dr. Soleymani practiced as a full-time Clinical Professor of Dermatology and Dermatologic Surgery at UCLA, where he was also the Director of the Pigmented Lesions and Melanoma Clinic, as well as Co-Director of Mohs Micrographic Surgery and Dermatologic Oncology Fellowship Education and Resident Surgery Education programs. 

During his tenure at UCLA, Dr. Soleymani received both local and national acclaim for introducing landmark and pioneering  surgical treatments for complex, high-risk and challenging skin cancers. He introduced advanced Mohs micrographic surgery with intra-operative immunostaining to UCLA,  pioneered groundbreaking work for the treatment of early-stage melanomas on the head and neck developed UCLA’s first Mohs Surgery for Melanoma program.  He also pioneered the creation and utilization of advanced intra-operative immunostaining during surgery for high-risk, complex and rare-skin cancers, which allowed for much higher tumor cure rates and greater successful clearance of the most challenging tumors.  As a result of his pioneering work, Dr. Soleymani was able to make tremendous improvements in patient outcomes and quality of care. 

In addition to clinical patient care, Dr. Soleymani remains robustly active in academic research, continuing to publish numerous scientific papers in peer-reviewed journals and book chapters in textbooks. He has lectured and continues to present at local, regional, and national academic conferences and remains active in clinical and translational research regarding dermatologic oncology and surgical reconstruction. He is considered by many to be a key thought leader and national expert in skin cancer treatment.

In his spare time, Dr. Soleymani enjoys spending quality time with his wife and sons, staying active, and traveling.

 

Awards

Daniel Di Cesare, MD, is a skilled and compassionate physician at Orange Coast Dermatology, a medical, surgical, and cosmetic dermatology practice with locations in Rancho Santa Margarita, Orange, and Mission Viejo, California. As the son of missionary parents, Dr. Di Cesare grew up helping people. “Caring for people is second nature.” So it was only natural he became a doctor.

After completing his undergraduate studies at Wheaton College in Wheaton, Illinois, he initially focused on internal medicine and pediatrics during his residency at the University of Texas, Houston Medical School | MD Anderson Cancer Center. But after a clinical research fellowship in dermatology, followed by a residency in dermatology, he knew he found the specialty for him. Research in dermatology fueled his interest in the field.

Today Dr. Di Cesare maintains memberships and certifications with several professional organizations, including the American Board of Dermatology, the American Academy of Dermatology, the American Medical Association, the American Society of Mohs Surgery, and the American Society for Dermatologic Surgery.

Dr. Di Cesare has assisted in more than a dozen studies and clinical trials for topical medications for eczema and psoriasis. These medications later received FDA approval. “Now, doctors are prescribing these medications, and they’re making a significant difference in people’s lives. It’s very gratifying to see the results of your work in research with patients.”

Helping other people isn’t limited to the office for Dr. Di Cesare, who speaks fluent Spanish. He has coordinated and participated in minority health fares, volunteered at a community clinic in Jamaica, and served a medical mission in Piedras Negras, Mexico.

Dr. Di Cesare is a team player, whether it’s as part of a team of doctors or a patient-doctor team. “Being able to diagnose a skin disorder, and successfully treat it takes teamwork.

Daryl grew up in South Orange County and has been a Certified Physician Associate since 2005. He takes pride in meeting his patients’ skin care needs and concerns. Striving for optimal skin health, he will address your concerns with compassion and attentiveness. He received two Bachelor of Science degrees, one at CSU Chico and then another at UNC Greensboro.  Then later attained his master’s degree in physician assistant studies at Eastern Virginia Medical School. Having always had a passion for skin care, he was instantly drawn to the field of dermatology. He has practiced dermatology for over 15 years, treating an array of skin conditions including acne, skin cancers, irregular moles, eczema, psoriasis, rashes, and hair loss, among others. He also performs many procedures such as total body exams, biopsies, excisions of skin cancers/pre-cancerous skin lesions, and cryotherapy of various lesions/pre-cancerous lesions.  Daryl is a member of Beta Beta Beat, The National Biology Honor Society, and has affiliations with AAPA (American Academy of Physician Assistants) CAPA (California Academy of Physician Assistants), and SDPA (Society of Dermatology Physician Assistants).  In his downtime, Daryl loves spending time with his 6-year-old daughter, are an avid golfer, alpine snow skier, and anything else his daughter might currently be interested in.

Daniel Di Cesare, MD, is a skilled and compassionate physician at Orange Coast Dermatology, a medical, surgical, and cosmetic dermatology practice with locations in Rancho Santa Margarita, Orange, and Mission Viejo, California. As the son of missionary parents, Dr. Di Cesare grew up helping people. “Caring for people is second nature.” So it was only natural he became a doctor.

After completing his undergraduate studies at Wheaton College in Wheaton, Illinois, he initially focused on internal medicine and pediatrics during his residency at the University of Texas, Houston Medical School | MD Anderson Cancer Center. But after a clinical research fellowship in dermatology, followed by a residency in dermatology, he knew he found the specialty for him. Research in dermatology fueled his interest in the field.

Today Dr. Di Cesare maintains memberships and certifications with several professional organizations, including the American Board of Dermatology, the American Academy of Dermatology, the American Medical Association, the American Society of Mohs Surgery, and the American Society for Dermatologic Surgery.

Dr. Di Cesare has assisted in more than a dozen studies and clinical trials for topical medications for eczema and psoriasis. These medications later received FDA approval. “Now, doctors are prescribing these medications, and they’re making a significant difference in people’s lives. It’s very gratifying to see the results of your work in research with patients.”

Helping other people isn’t limited to the office for Dr. Di Cesare, who speaks fluent Spanish. He has coordinated and participated in minority health fares, volunteered at a community clinic in Jamaica, and served a medical mission in Piedras Negras, Mexico.

Dr. Di Cesare is a team player, whether it’s as part of a team of doctors or a patient-doctor team. “Being able to diagnose a skin disorder, and successfully treat it takes teamwork.

Daryl grew up in South Orange County and has been a Certified Physician Associate since 2005. He takes pride in meeting his patients’ skin care needs and concerns. Striving for optimal skin health, he will address your concerns with compassion and attentiveness. He received two Bachelor of Science degrees, one at CSU Chico and then another at UNC Greensboro.  Then later attained his master’s degree in physician assistant studies at Eastern Virginia Medical School. Having always had a passion for skin care, he was instantly drawn to the field of dermatology. He has practiced dermatology for over 15 years, treating an array of skin conditions including acne, skin cancers, irregular moles, eczema, psoriasis, rashes, and hair loss, among others. He also performs many procedures such as total body exams, biopsies, excisions of skin cancers/pre-cancerous skin lesions, and cryotherapy of various lesions/pre-cancerous lesions.  Daryl is a member of Beta Beta Beat, The National Biology Honor Society, and has affiliations with AAPA (American Academy of Physician Assistants) CAPA (California Academy of Physician Assistants), and SDPA (Society of Dermatology Physician Assistants).  In his downtime, Daryl loves spending time with his 6-year-old daughter, are an avid golfer, alpine snow skier, and anything else his daughter might currently be interested in.

Lucas G. Bingham, MD, is a board-certified dermatologist experienced in medical, surgical, and cosmetic dermatology. At Coastal Hills Dermatology in Ladera Ranch, California, Dr. Bingham offers patients exceptional dermatologic care in a relaxed and friendly environment. With his depth of knowledge and compassion, Dr. Bingham treats patients of all ages for any condition of the skin, hair, and nails.

Dr. Bingham began his studies at Brigham Young University, where he graduated magna cum laude with a bachelor’s degree in Spanish and a minor in zoology. He went on to earn his medical degree from Penn State College of Medicine followed by a transitional-year internship at LDS Hospital in Salt Lake City, Utah. After this, Dr. Bingham completed a three-year dermatology residency at the Mayo Clinic in Rochester, Minnesota.

Passionate about helping patients both at home and abroad, Dr. Bingham has performed volunteer medical care to patients in Brazil, Italy, Ethiopia, and Kenya. Dr. Bingham also has notable experience in the field of research and leadership. He has published studies and reports in several prominent medical journals, has presented at national and international meetings, and is currently serving as the president of the Dermatologic Society of Orange County.He is also an active member of the American Academy of Dermatology and the Pacific Dermatologic Society.

Outside of the office, Dr. Bingham enjoys spending time with his large family. He also loves being active outdoors, especially running, road and mountain biking, hiking, backpacking, snowboarding, and stand-up paddle boarding. Dr. Bingham lived in South America for several years and is fluent in Spanish.

Daniel Di Cesare, MD, is a skilled and compassionate physician at Orange Coast Dermatology, a medical, surgical, and cosmetic dermatology practice with locations in Rancho Santa Margarita, Orange, and Mission Viejo, California. As the son of missionary parents, Dr. Di Cesare grew up helping people. “Caring for people is second nature.” So it was only natural he became a doctor.

After completing his undergraduate studies at Wheaton College in Wheaton, Illinois, he initially focused on internal medicine and pediatrics during his residency at the University of Texas, Houston Medical School | MD Anderson Cancer Center. But after a clinical research fellowship in dermatology, followed by a residency in dermatology, he knew he found the specialty for him. Research in dermatology fueled his interest in the field.

Today Dr. Di Cesare maintains memberships and certifications with several professional organizations, including the American Board of Dermatology, the American Academy of Dermatology, the American Medical Association, the American Society of Mohs Surgery, and the American Society for Dermatologic Surgery.

Dr. Di Cesare has assisted in more than a dozen studies and clinical trials for topical medications for eczema and psoriasis. These medications later received FDA approval. “Now, doctors are prescribing these medications, and they’re making a significant difference in people’s lives. It’s very gratifying to see the results of your work in research with patients.”

Helping other people isn’t limited to the office for Dr. Di Cesare, who speaks fluent Spanish. He has coordinated and participated in minority health fares, volunteered at a community clinic in Jamaica, and served a medical mission in Piedras Negras, Mexico.

Dr. Di Cesare is a team player, whether it’s as part of a team of doctors or a patient-doctor team. “Being able to diagnose a skin disorder, and successfully treat it takes teamwork.

Daryl grew up in South Orange County and has been a Certified Physician Associate since 2005. He takes pride in meeting his patients’ skin care needs and concerns. Striving for optimal skin health, he will address your concerns with compassion and attentiveness. He received two Bachelor of Science degrees, one at CSU Chico and then another at UNC Greensboro.  Then later attained his master’s degree in physician assistant studies at Eastern Virginia Medical School. Having always had a passion for skin care, he was instantly drawn to the field of dermatology. He has practiced dermatology for over 15 years, treating an array of skin conditions including acne, skin cancers, irregular moles, eczema, psoriasis, rashes, and hair loss, among others. He also performs many procedures such as total body exams, biopsies, excisions of skin cancers/pre-cancerous skin lesions, and cryotherapy of various lesions/pre-cancerous lesions.  Daryl is a member of Beta Beta Beat, The National Biology Honor Society, and has affiliations with AAPA (American Academy of Physician Assistants) CAPA (California Academy of Physician Assistants), and SDPA (Society of Dermatology Physician Assistants).  In his downtime, Daryl loves spending time with his 6-year-old daughter, are an avid golfer, alpine snow skier, and anything else his daughter might currently be interested in.

Ryan Goerig, MD is a board-certified dermatologist at Dana Point Dermatology in Dana Point, California. Dr. Goerig takes a personalized approach to care and combines cutting-edge technology with tried-and-true medical therapy to help his patients achieve their desired results. In addition to his expertise in dermatological skin care, Dr. Goerig is also a specialist in nonsurgical treatment of women’s hair loss.

After earning his undergraduate degree at California Polytechnic University in San Luis Obispo, California, where he graduated summa cum laude and first in his class, Dr. Goerig went on to complete his Doctor of Medicine at Boston University School of Medicine in Boston. While earning his medical degree, Dr. Goerig was inducted into the Alpha Omega Alpha Honor Medical Society. He then went on to complete his dermatology residency at the nationally recognized Department of Dermatology & Cutaneous Biology at Thomas Jefferson University in Philadelphia, where he received extensive training and education in all aspects of aesthetic, surgical, and medical dermatology. 

Dr. Goerig is a board-certified dermatologist and a diplomate of the American Board of Dermatology. He’s also a founding member of the American Board of Medical Specialities and president of the Dermatologic Society of Orange County.

Regarded as the foremost expert in female hair loss, Dr. Goerig receives referrals from other dermatologists throughout Orange County, the state of California, and the country. Patients consider Dr. Goerig a kind and compassionate physician who goes above and beyond to help them get the most effective care for their skin concerns. 

Awarded “Top Cosmetic Dermatologist – Newport Beach'', Dr. Mehr is a board-certified dermatologist, Mohs surgeon, and media expert. Dr. Mehr graduated Cum Lade from UC Irvine’s prestigious Bachelor of Science program, and graduated with Honors as she entered Medical School at UC Irvine. Dr. Mehr is a member of the American Society of Mohs Surgery, and performs both Mohs surgery & Dermatologic surgeries within Pure Dermatology. She has been in practice for over 8 years and her focus is on helping people feel more comfortable and beautiful in their own skin. She is also an active Advisory Board member of Hoag’s prestigious Melanoma & Skin Cancer Center. Pure Dermatology specializes in offering the latest in cutting edge technology from all around the world to keep patients looking their very best.