Essenza Wellness — Mind & Body Longevity
San Diego, California
Mind & Body Longevity Made in San Diego

Excellence in Concierge Longevity Care.

For most adults, the final ten to fourteen years of life are shaped by chronic illness — not by choice. Essenza is built to change that arithmetic, through advanced diagnostics, prevention-first medicine, and four specialty practices working as one.

beyond medicine Whole-Person Care

A practice built for your whole well-being, not just your symptoms.

At Essenza, medicine isn't about chasing symptoms. It's about caring for you as a complete person — body, mind, and the arc of your life ahead. Our founding physicians believe that your health tells a story far larger than any single appointment can capture, and we've built our practice to listen to every part of it.

Modern medicine has done extraordinary things to extend lifespan. But for most adults, the final ten to fourteen years of life are shaped by chronic illness — heart disease, dementia, cancer, debilitating arthritis. We call this gap between living and living well the healthspan gap, and closing it is the reason Essenza exists.

Instead of treating symptoms in isolation, we work like investigators — examining the upstream causes of how you feel, the environments that shape your biology, the patterns that determine how you'll age. We consider nutrition, sleep, stress, hormones, cognition, and connection, then design a single coordinated plan across our four specialty practices.

Your safety and your long-term wellness drive every decision we make. From advanced biomarkers and pharmacogenomic testing to FDA-cleared TMS and ketamine therapy for treatment-resistant depression, every intervention is chosen because the evidence supports it — and because it serves the larger goal of helping your body and mind thrive across decades, not just today.

Our Practices

Four specialty practices, one coordinated plan.

Body

Longevity & Internal Medicine

Root-cause assessment of the biological processes of aging — advanced biomarkers, pharmacogenomics, body composition, biological age, and personalized strategy to extend the years you live in genuinely good health.

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Body

Women's Health

Unhurried, evidence-based gynecology and preventive care across every life stage — built around early screening, hormonal nuance, and long-term cardiovascular and cognitive health.

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Mind

Neurology

Comprehensive evaluation and advanced treatment for migraine, chronic headache, and pain disorders — including patients who haven't found relief from prior care. Botox, nerve blocks, TMS, QEEG brain mapping.

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Mind

Psychiatry

Thoughtful psychopharmacology paired with advanced interventions for treatment-resistant depression — TMS and FDA-approved ketamine therapy delivered in a closely monitored clinical setting.

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Diagnostics

Advanced Biomarkers

The most comprehensive panel of longevity-relevant testing available — from standard cardiometabolic markers to pharmacogenomics, biological age, and hormone optimization.

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Membership

Concierge Care Model

Every Essenza patient receives the same standard: extended visits, direct access, proactive coordination across all four practices, and a single unified plan that moves with you.

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from passion to Practice

Dr. Abonassar's path to longevity medicine.

The story behind Essenza isn't just about advanced diagnostics or new technology — it's a testament to a conviction that has guided Dr. Abonassar's work for decades: that medicine's most important question is not how long we live, but how well.

After years of internal medicine practice watching patients lose their final years to preventable chronic illness, Dr. Abonassar became convinced that the standard model — symptom appears, treatment follows — was missing the most consequential interventions of all. Essenza is the answer to that conviction: a practice designed around the biological processes of aging itself, with the time, tools, and team to act on what we find.

What truly defines Dr. Abonassar's approach is a belief that the mind and body cannot be cared for apart. That conviction is why Essenza practices alongside specialists in gynecology, neurology, and psychiatry under a single roof — not as referrals, but as one coordinated team designing one coordinated plan.

Dr. Abonassar
Founding Physician · Internal Medicine & Longevity
Experience the Difference

Whole-body care, built around your time.

Your body is a beautifully interconnected system, and we honor that in every aspect of your care. We've created a sanctuary where your wellness comes first, with biocompatible diagnostics, evidence-based interventions, and a team that listens before it acts.

True healing addresses the whole person, not just symptoms. Our team takes time to understand how nutrition, stress, sleep, and lifestyle choices influence your health — and how to design a plan that fits the life you're actually living.

Schedule a Consultation
10–14
Years of healthspan we aim to recover
4
Specialty practices, one coordinated plan
60+
Advanced biomarkers in baseline panel
1:1
Direct physician access for every member
Our Team

The Compassionate Longevity Experts

Board-certified across longevity, gynecology, neurology, and psychiatry — practicing together, by design.

The Healthspan Architect

Dr. Abonassar

M.D. — Internal Medicine & Longevity

For Dr. Abonassar, medicine's most important question has always been not how long we live, but how well. After years of internal medicine practice watching patients lose their final decade to preventable chronic illness, he founded Essenza around a conviction that the standard model misses the most consequential interventions of all.

His clinical focus combines advanced diagnostics — pharmacogenomics, biological age, body composition — with the time and team needed to act on what they reveal. Patients describe his appointments as the first time a physician has ever asked them to talk about their whole life, not just the chief complaint.

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The Compassionate Advocate

Dr. Daneshmand

M.D. — OB/GYN, Board-Certified

Many women have been told their symptoms are normal — fatigue, brain fog, sleep disruption, weight shifts, mood changes — when in fact they signal hormonal and metabolic transitions deserving thoughtful care. Dr. Daneshmand built her practice around the conviction that women's health requires unhurried evaluation, hormonal nuance, and a long view of cardiovascular and cognitive risk.

Her work spans every life stage, from PCOS and endometriosis to fertility planning, perimenopause, and menopause. She partners closely with Essenza's neurology and longevity teams on the conditions that don't fit neatly into any single specialty.

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The Migraine Specialist

Dr. Roman

M.D. — Neurology

Migraines are among the leading causes of disability worldwide, yet effective treatment remains out of reach for many patients. Dr. Roman has spent his career on the conditions that have exhausted standard care — chronic migraine, cluster headache, facial pain, TMJ, neuropathic pain — combining advanced diagnostics with a full range of interventions including Botox, nerve blocks, TMS, and QEEG brain mapping.

His collaboration with Essenza's gynecology team on hormone-related migraine and with psychiatry on the overlap between mood and pain syndromes is one of the practice's most distinctive offerings.

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The Innovator in Mood Care

Dr. Tashkandi

M.D. — Psychiatry

For patients who have not responded to conventional antidepressants, the question is rarely whether help exists — it's whether they will find it. Dr. Tashkandi practices the kind of precise, evidence-based psychopharmacology that begins with thorough diagnostic evaluation and evolves through careful, ongoing monitoring.

For treatment-resistant depression specifically, his program includes FDA-cleared Transcranial Magnetic Stimulation and FDA-approved ketamine therapy, delivered in a closely monitored clinical setting. His work represents some of the most consequential advances in psychiatric medicine, available to those who need them most.

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Board-Certified UCSD Affiliated FDA-Approved Therapeutics HIPAA Compliant Concierge Practice
Our Philosophy

Built on the principle of whole-person longevity care.

Our San Diego practice was founded on the principle that medicine should look harder, listen longer, and offer options that haven't been on the table — an approach that extends far beyond any single specialty.

We recognize that your body is an interconnected system, and that the question of how well you'll age cannot be answered by treating symptoms in isolation. This perspective shapes every decision we make in your care, from the diagnostics we run to the way we coordinate across our four practices.

We believe in building true partnerships with our patients — empowering you with the knowledge, the data, and the team needed to maintain your healthspan across decades, not just navigate the next visit. Located in San Diego, our practice is dedicated to supporting your journey toward comprehensive, evidence-based longevity.

From Our Patients

What it feels like to be truly heard.

"

The first appointment lasted ninety minutes. They asked me about sleep, my work, my mother's history, what my mornings actually look like. I have never had a physician do that before.

— [First Name]
Member since 2026
"

I had been told for three years that my migraines were just stress. Within two visits at Essenza, we had a treatment plan I had never been offered before. I have my life back.

— [First Name]
Member since 2026
"

What I value most is the coordination. My gynecologist, my neurologist, and my internist have all read each other's notes. I am one patient, not four.

— [First Name]
Member since 2026
FAQ

Answering some of your questions.

What exactly is "longevity medicine," and how is it different from traditional primary care?

Both approaches care about keeping you healthy, but longevity medicine takes a step back and looks at the bigger picture. Traditional primary care typically reacts when something goes wrong. Longevity medicine focuses on identifying the biological processes of aging early — often years before any symptom appears — and intervening to slow them down.

This means using advanced biomarkers, comprehensive screening, and a strategic, personalized plan to extend the years you live in genuinely good health, not just the years you live.

Why does Essenza include four specialties under one roof?

Because the conditions our patients deal with most often don't respect specialty boundaries. Hormones drive migraine. Mood shapes metabolism. Sleep affects cognition. Cardiometabolic risk runs through every life stage of women's health.

By housing longevity medicine, gynecology, neurology, and psychiatry as one coordinated practice, we can address these crossovers as a single team — not as a chain of referrals to physicians who never speak to each other.

What kind of advanced diagnostics do you offer?

Beyond standard labs, our baseline assessment may include advanced biomarkers for cardiometabolic and inflammation risk, pharmacogenomics to inform medication choice, biological age testing, body composition analysis, gait and strength assessment, hormone optimization panels, and sleep quality evaluation.

For specific specialty needs, we also offer QEEG brain mapping, cardiometabolic risk stratification, and comprehensive hormonal evaluation.

Do you offer treatments for migraines that haven't responded to other care?

Yes. Our neurology practice specializes in migraine and chronic headache disorders, with particular focus on patients who have not found relief from prior treatments. Options include Botox injections, occipital nerve blocks, sphenopalatine ganglion blocks, medication infusions, Transcranial Magnetic Stimulation (TMS), and QEEG brain mapping.

We also collaborate closely with our gynecology team on hormone-related migraine, which is one of the most under-treated forms of the condition.

Is the concierge model more expensive than traditional care?

The concierge model is a different value proposition rather than simply a more expensive one. Members receive significantly extended visits, direct access to their physicians, proactive coordination across all four practices, and a single unified plan rather than a chain of referrals.

By emphasizing prevention and addressing root causes, longevity care is often more cost-effective over time — fewer downstream interventions, fewer emergency moments, and meaningful return in healthspan.

Do you offer treatment-resistant depression care?

Yes. For carefully evaluated patients with treatment-resistant depression, we offer Transcranial Magnetic Stimulation (TMS) — a non-invasive, FDA-cleared treatment using targeted magnetic pulses — and FDA-approved ketamine therapy, delivered in a structured, closely monitored clinical setting.

Both are paired with thoughtful, individualized psychopharmacology and ongoing monitoring throughout your care.

What should I expect at my first appointment?

Your first visit is a comprehensive consultation. We take the time to understand your full health history, your goals, and the parts of your life that affect how you feel — sleep, work, stress, nutrition, family history, prior care.

Depending on your concerns, we may order advanced diagnostic panels and coordinate any specialty evaluations within our practice. From there, we design a personalized plan together.

Who is Essenza built for?

Two patients, equally. The first is the prevention-minded adult who wants advanced diagnostics, real time with their physicians, and a coordinated plan to extend their healthspan over decades.

The second is the patient who has been underserved elsewhere — chronic migraine no one has solved, perimenopause symptoms dismissed as normal, treatment-resistant depression, unexplained fatigue. Essenza is built to listen longer, look harder, and offer options that haven't been on the table.

Membership & Financing

Designed to make concierge care accessible.

At Essenza, we believe investing in your healthspan should not be limited by inflexible payment models. We offer transparent membership tiers and partner with healthcare financing providers to make concierge longevity medicine accessible to a wider range of patients.

Our membership coordinator can walk you through the right structure for your needs — from a single-specialty engagement to full multi-practice membership — with flexible monthly options and clear, upfront pricing.

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Let us know how we can help you.

We proudly serve San Diego, La Jolla, Del Mar, Rancho Santa Fe, and Carmel Valley patients. Tell us a little about what brought you here, and a member of our care team will be in touch.

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Hours Monday — Friday
8:00 AM — 5:00 PM