Meet the Doctors

Doctor Shannon Sinsheimer
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Shannon Sinsheimer, ND, is a California state-licensed naturopathic doctor. Doctor Sinsheimer founded and has been Medical Director of Optimal Health Center in Palm Desert, California for the past 14 years.

Doctor Sinsheimer opened the first naturopathic clinic to serve the Coachella Valley, providing high quality integrative services with a renowned reputation for integrity, dedication to service, and quality healthcare.

Doctor Sinsheimer earned her medical doctorate from the National College of Naturopathic Medicine (NCNM) in Portland, Oregon, the oldest accredited naturopathic medical college in North America. During her education and training at NCNM, Doctor Sinsheimer completed advanced coursework and clinical training at the Homeopathic Medical College in Mumbai, India. At Oregon Health and Science University’s Mind Research Center (ORCCAMIND), Doctor Sinsheimer assisted in clinical trials regarding the efficacy of naturopathic treatment protocol for patients diagnosed with neurological conditions. She also completed a one-year internship at the Center for Natural Medicine specializing in cardio-pulmonary wellness and endocrine disorders.

Doctor Sinsheimer served as a production coordinator for the American Association of Naturopathic Physicians (AANP) documentary series, Discoveries in Alternative Medicine: Naturopathic Physicians, presented by the American Health Journal. In an interview for the series, Doctor Sinsheimer discussed naturopathic treatment for chronic illness. To see this interview and others, visit the videos page.

In her own practice, Doctor Sinsheimer focuses her treatment plans on creating a path toward optimal wellness for each patient. Working with patients of all ages, she treats a wide range of conditions using lifestyle counseling, diet modification, nutritional supplementation, homeopathy, and botanicals.

Learn more about the services offered at Optimal Health Center, or call 760.568.2598 to schedule an appointment today.

Doctor Jessica Needle

dr_needleJessica Needle is a state-licensed naturopathic doctor at Optimal Health Center. She earned her undergraduate degree in psychology from Mills College in Oakland, California, and her doctorate in naturopathic medicine from Bastyr University in Kenmore, Washington.

Doctor Needle's longstanding interest in human body stems from her participation in athletics as a youth and her work as a personal trainer and yoga instructor. Prior to becoming a naturopath, she gained extensive experience with patients during her work in a chiropractic office performing massage and adjunct physical therapy.

While studying naturopathic medicine, Doctor Needle became interested in the effects of food on health when she rid herself of back pain by changing her diet. This led to a post-graduate internship at TrueNorth Health Center, a medically supervised fasting facility in Santa Rosa, California. There, Doctor Needle learned to guide patients through water and juice fasts to help reverse high blood pressure, inflammatory conditions, and metabolic imbalances.

Doctor Needle's other work included primary care at Sedona Wellness Retreat where she furthered her skills in nutrition and detoxification while treating patients with cancer and chronic illnesses. She is experienced in using natural methods to help people reduce or eliminate the need for medication.

As a long-time instructor of classes at the recreational, vocational, and undergraduate levels, Doctor Needle values the concept of docere, meaning "doctor as teacher." She works to address the fundamentals of diet, exercise, sleep, and stress reduction to meet each individual patient's needs.

Doctor Needle is accepting new patients. Please contact Optimal Health Center to learn more about our services or to schedule an appointment.

Doctor Arsallan Ahmad

dr_needleDr. Ahmad is a California licensed Naturopathic Doctor (N.D.) and has been referred to in the past by his peers as “doctor squared” because he also completed a medical doctorate degree (M.D.) from Saint George’s University in Grenada and Saint Vincent of the West Indies in the Caribbean Sea. He completed his Naturopathy training from the Southwest College of Naturopathic Medicine in Tempe, Arizona after going through the full allopathic medicine program.

Being born and raised in central New Jersey, Dr. Ahmad attended Princeton High School and also received a Bachelor’s of Science degree in Biology with minors in Business Marketing and Chemistry from the College of New Jersey followed by a Master’s of Science degree in Biochemistry and Molecular Biology with a specialization in Biotechnology from Georgetown University Medical Center. Dr. Ahmad has a passion for offering all forms of treatment for his patients whether using botanical/herbal remedies related to Ayurvedic medicine (ancient Indian subcontinent), pain management/sports medicine using regenerative injections such as prolotherapy or platelet-rich-plasma (PRP), and nutritional IVs. He is also very knowledgeable about pharmacology and understands the inner workings of the hospital setting due to his prior training and exposure in such systems-based areas including orthopedic medicine, infectious diseases, and allergy/immunology.

In his spare time, Dr. Ahmad likes to focus on his other interests including playing sports, mainly basketball, football, ice hockey, tennis, and even cricket, visiting museums, and learning about various cultures.

Learn more about the services offered at Optimal Health Center, or call 760.568.2598 to schedule an appointment today.