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Dr. Dan RossignolSoCal, Florida
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Dr. Richard E. FryeArizona
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Dr. Brian HauserSouthern California
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Sanaz Demehry, PA-CSouthern California
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Desiree ChandlerSouthern California
Meet The Team
Dr. Dan Rossignol
MD FAAFP, FMAPS
Dr. Dan Rossignol is a board-certified family physician who has been
practicing integrative and …
Dr. Salma Ahsan
DO, FMAPS
Dr. Salma Ahsan is a board certified Internal Medicine physician and a fellow of the Medical Academy …
Dr. Patricia Goldenberg
MD
Dr. Patricia Goldenberg is a Southern California native and has been a Board-Certified Pediatrician for 15 years …
Dr. Richard E. Frye
MD, PhD, FAAP, FAAN, CPI
Dr. Frye is a Child Neurologist with expertise in neurodevelopmental and neurometabolic…
Dr. Brian Hauser
MD, MAPS, AAFP
Brian Hauser MD is a board certified family physician joining Rossignol Medical Center in Aliso Viejo, California…
Sandi Kreizenbeck
DNP, FNP, PMHNP-BC
Sandi Kreizenbeck, DNP, FNP, PMHNP-BC received her Bachelor of Science in Nursing from the University of San Francisco …
Sanaz Demehry
MS, PA-C
Sanaz Demehry, MS, PA-C, is an Integrative, Herbal, and Functional Medicine Practitioner. A Southern California native …
Desiree Chandler
BA, MSN, FNP-C
Desiree Chandler, RN, MSN, FNP-C is a certified Family Nurse Practitioner who received a Master of Science in Nursing from the University of San Diego …
Lanier Rossignol
BSN, MSN, FNP-C
Lanier Rossignol, BSN, MSN, FNP-C is a board certified family nurse practitioner trained in evidence-based medicine at …
Simplified Approaches
Simplified Approach to Biomedical Treatments in Autism and ADHD
In 2002, my older son, Isaiah, was diagnosed with autism. At the time I had been practicing as a family physician for about five years. Prior to his diagnosis, Isaiah loved to get down on the floor and spin…
Simplified Approach to Cerebral Folate Deficiency in Autism
This article is a companion piece to the story of Evan Carkhuff, a child diagnosed with autism who went many years with neither a medical diagnosis nor an explanation for his medical condition…
Simplified Approach to Mitochondrial Dysfunction in Autism
Recently, evidence has accumulated that some children with autism spectrum disorders (ASDs) have mitochondrial disease (also known as mitochondrial disorders) or mitochondrial dysfunction….
Articles and Publications
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Identification and Treatment of Pathophysiological Comorbidities
Reviewing some of the pathophysiological abnormalities associated with ASD and their potential associated…
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Cerebral Folate Receptor Autoantibodies
Cerebral folate deficiency (CFD) syndrome is a neurodevelopmental disorder typically caused by folate receptor autoantibodies…
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Mitochondrial dysfunction in Autism Spectrum Disorders
A comprehensive literature search was performed to collate evidence of mitochondrial dysfunction in autism spectrum disorders (ASDs) with two…
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Daniel A. Rossignol
NAME AND LICENSE:
Daniel A. Rossignol, Physician
HIGHEST LEVEL OF ACADEMIC DEGREE:
MD
BOARD CERTIFICATION:
American Board of Family
Medicine (ABFM)
Patricia Goldenberg
NAME AND LICENSE:
Patricia Goldenberg, Physician and Surgeon
HIGHEST LEVEL OF ACADEMIC DEGREE:
MD
BOARD CERTIFICATION:
American Board of Pediatrics (ABP)
Lanier W. Rossignol
NAME AND LICENSE:
Lanier W. Rossignol, Nurse Practitioner
HIGHEST LEVEL OF ACADEMIC DEGREE:
BSN, MSN, FNP-C
BOARD CERTIFICATION:
American Academy of Nurse Practitioners (AANP) Certification Program
Sanaz Demehry
NAME AND LICENSE:
Sanaz Demehry, Physician Assistant
HIGHEST LEVEL OF ACADEMIC DEGREE:
Master’s Degree in Physician Assistant Studies
BOARD CERTIFICATION:
National Commission on Certification of Physician Assistants (NCCPA)
Sandra Kreizenbeck
NAME AND LICENSE:
Sandra Kreizenbeck, Nurse Practitioner
HIGHEST LEVEL OF ACADEMIC DEGREE:
BSN, MSN, FNP, PMHNP
BOARD CERTIFICATION:
Psychiatric Mental Health Nurse Practitioner (PMHNP), American Nurses Credentials Center
Desiree Chandler
NAME AND LICENSE:
Desiree Chandler, Nurse Practitioner
HIGHEST LEVEL OF ACADEMIC DEGREE:
Master of Science in Nursing
BOARD CERTIFICATION:
American Association of Nurse Practitioners (AANP)
Salma Ahsan
NAME AND LICENSE:
Salma Ahsan, Physician
HIGHEST LEVEL OF ACADEMIC DEGREE:
DO
BOARD CERTIFICATION:
American Osteopathic Board
of Internal Medicine
Richard E. Frye
NAME AND LICENSE:
Richard E. Frye, Physician
HIGHEST LEVEL OF ACADEMIC DEGREE:
MD, PhD
BOARD CERTIFICATION:
American Board of Pediatrics (ABP), American Board of Psychiatry and Neurology
Brian Hauser
NAME AND LICENSE:
Brian Hauser, Physician
HIGHEST LEVEL OF ACADEMIC DEGREE:
MD, MAPS
BOARD CERTIFICATION:
American Board of Family Medicine (ABFM)
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