Dr. Douglas IsaacsMD, FAEMS

Functional Medicine

at Meraki Integrative — New York, NY

About

Douglas Isaacs, MD, FAEMS, serves as Medical Director of Meraki Integrative Wellness, bringing more than two decades of academic medicine and clinical leadership to the practice. He earned his medical degree from Cornell University Medical College and completed dual residencies in Internal Medicine and Emergency Medicine. He then pursued a fellowship in Emergency Medical Services and holds board certifications in both Emergency Medicine and Emergency Medical Services.

Dr. Isaacs has held academic appointments at several leading medical schools, earning recognition as an educator, clinician, and innovator throughout his career. Over the past five years, he has focused deeply on regenerative and functional medicine, merging the rigor of evidence-based science with a holistic approach to patient care. He is passionate about applying cutting-edge therapies to help patients address root causes rather than symptoms alone.

Education & Training

Medical School

Cornell University Medical College

Residency

Dual residencies in Internal Medicine and Emergency Medicine

Fellowship

Fellowship in Emergency Medical Services

Certifications

Board Certified in Emergency Medicine
Board Certified in Emergency Medical Services (EMS)

Conditions Treated

hormone imbalances
metabolic conditions
gut health disorders
chronic disease
fatigue
sexual dysfunction
hair loss
weight management
musculoskeletal conditions
fertility concerns

Who is Dr. Isaacs right for?

Dr. Isaacs is a strong fit for adults who want root-cause answers to chronic or complex health concerns. Patients interested in hormone optimization, peptide therapy, or regenerative medicine benefit from his clinical depth. His background in emergency and internal medicine makes him well-suited for patients with urgent or multi-system needs. Those seeking a physician who merges evidence-based science with functional approaches will find his style a natural match.

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Frequently Asked Questions

Dr. Isaacs specializes in functional medicine, preventive medicine, and regenerative therapies. He brings over 20 years of academic and clinical experience to these areas. His work focuses on identifying and treating root causes rather than managing symptoms alone.

Dr. Isaacs earned his medical degree from Cornell University Medical College. He completed dual residencies in Internal Medicine and Emergency Medicine. He then completed a fellowship in Emergency Medical Services.

Yes. Dr. Isaacs holds board certifications in both Emergency Medicine and Emergency Medical Services. He also carries the FAEMS designation, reflecting his fellowship-level expertise in Emergency Medical Services.

Dr. Isaacs works with adults seeking advanced functional and regenerative care. His patients often come with hormone imbalances, metabolic concerns, gut health issues, or chronic conditions that have not responded well to conventional approaches.

Dr. Isaacs merges evidence-based science with a holistic perspective on health. He uses advanced diagnostic testing to uncover root causes. He then applies therapies such as hormone optimization, peptide therapy, and regenerative protocols tailored to each patient.

Yes. Dr. Isaacs has held academic appointments at several leading medical schools. Colleagues and students have recognized him as an educator, clinician, and innovator throughout his career.

Dr. Isaacs offers peptide therapy, exosome therapy, ozone therapy, and IV nutrient therapy, among other regenerative services. He also incorporates hormone optimization and gut health repair into his clinical programs. These therapies reflect his focus on cellular and systemic health.

Doctor profile last updated March 21, 2026