Access Functional Medicine in Los Angeles:
What to Expect & How It Works

A higher standard of medicine—designed for those who want answers, precision, and lasting results.

At Advance Health Integrative And Functional Medicine, Dr Rashel Tahzib expert functional medicine doctor in Los Angeles care brings you root causes integrative care that is not rushed, delegated, or fragmented. You work directly with Dr. Rashel Tahzib, a board-certified physician with decades of experience and advanced expertise in functional, integrative, anti-aging, and regenerative medicine.

This is a concierge, physician-led model built to identify root causes, restore function, and optimize long-term health across every system of the body.

Why Physician-Led, Comprehensive Care Matters

Health is not created through isolated treatments or temporary fixes.

It is the result of how your systems function together—hormonal, metabolic, immune, gastrointestinal, neurologic, and environmental.

True transformation requires a physician who can synthesize complexity, recognize patterns, and guide care with depth and precision.

A Different Level of Clinical Insight

With advanced training across multiple disciplines, Dr. Rashel evaluates:

  • Hormone and endocrine balance
  • Immune and inflammatory pathways
  • Gut and microbiome function
  • Neurologic and cognitive health
  • Metabolic and mitochondrial performance
  • Environmental exposures, including mold and toxins

What This Means for You

Instead of chasing symptoms, we identify why they are happening—and address the underlying drivers in a coordinated, strategic way.

Our Philosophy: Precision, Integration, and Results

We do not treat isolated diagnoses. We treat the interconnected human system.

Systems-Based Medicine

Every plan is built around how your systems interact—not in isolation, but as part of a dynamic whole.

Root-Cause Strategy

Care is designed to move beyond symptom management toward:

  • restoration of function
  • reduction of inflammation
  • optimization of physiology
  • prevention and reversal of disease patterns where possible

Integrated Advanced Care

Your care may include:

  • personalized-treatments/bioidentical-hormone-replacement-therapy/”bioidentical hormone optimization
  • personalized-treatments/fertility-optimization/”fertility optimization
  • gut restoration and microbiome support
  • immune modulation and inflammation control
  • detoxification and environmental medicine
  • longevity and anti-aging strategies

What to Expect as a Patient With Your Access Functional Medicine Membership

A structured, high-touch process designed for clarity, depth, and results.

Comprehensive Physician Evaluation

Your care begins with an in-depth consultation directly with Dr. Rashel.

This is a detailed clinical assessment—not a brief visit—designed to fully understand your history, physiology, and goals.

Personalized Diagnostic Strategy

Testing is selective and purposeful, designed to uncover root drivers—not generate unnecessary data.

Strategic Treatment Plan

A tailored plan is developed to address your unique physiology using a combination of medical, nutritional, and advanced therapeutic approaches.

Ongoing Optimization

Your care evolves as your body responds—with continuous physician oversight and refinement.

Why We Offer Our Annual Health Restore Program

This model is intentionally designed to deliver a level of care that cannot be achieved through isolated visits.

One-Time Comprehensive Onboarding $2,750

A deep clinical foundation that includes:

  • extensive case analysis
  • physician synthesis of complex history and data
  • identification of root drivers
  • development of a precision treatment strategy
  • Lifetime Access to monthly care plan

Ongoing Physician Partnership $375/Mo (A rarity these days)

Provides:

  • regularly scheduled, in-depth meetings throughout the year
  • continuous physician oversight and plan refinement
  • interpretation of labs and evolving findings
  • continuity of care without fragmentation
  • access to guidance as your health evolves

What The Access Functional Medicine Program Provides

Enrollment offers access to full-spectrum, physician-led functional medicine care, including:

Comprehensive Expertise

  • Functional medicine (root-cause resolution)
  • Integrative medicine (evidence-based + holistic)
  • Bioidentical hormone therapy
  • Fertility optimization
  • Chronic disease prevention and reversal
  • Longevity and anti-aging medicine
  • Metabolic and cardiometabolic optimization
  • Gut, immune, and environmental medicine

The Access Functional Medicine Care Model Difference

Continuity

Your care is guided by one physician who understands your full case

Depth

Time and expertise are allocated to uncover what others may miss.

Precision

Your plan evolves based on data and response—not guesswork.

Access

You receive an expert level of physician care and involvement not available in traditional models and not offered in most practices advertising functional medicine where you see a physician maybe once and rest of care is delivered by nurses and assistant, or in many you never see a physician at all, which can be misleading because you read the words functional medicine expecting a high level of physician expert care. 

We offer that high level of care you deserve.

A Clear Difference in Care

Our Access Functional Medicine Care Model Comparison: Not all “functional medicine” is the same. The level of medical expertise, clinical training, clinical depth, and physician involvement and experience matters.

Conventional Medicine

Care is often time-limited and focused on managing symptoms rather than understanding why they are occurring.

  • Brief, problem-focused visits
  • Symptoms addressed in isolation
  • Multiple providers with limited coordination
  • Reactive approach to illness
  • Minimal focus on prevention or optimization

Non-Physician “Functional Medicine”

Text:
While often well-intentioned, care may lack the clinical depth and medical integration required for complex conditions.

  • Training and expertise vary widely
  • Protocol or supplement-driven approaches
  • Limited ability to manage complex medical conditions
  • Hormone and advanced therapies may not be fully integrated
  • Inconsistent continuity and oversight

Physician-Led Functional Medicine
with Dr. Rashel Tahzib

A comprehensive, physician-directed approach designed to uncover root causes, restore function, and optimize long-term health.

  • Direct care from a board-certified physician
  • Deep, systems-based evaluation across all body systems
  • Integration of functional, integrative, anti-aging, and regenerative medicine
  • Advanced expertise in hormones, fertility, gut health, and chronic disease
  • Ongoing physician partnership with regular, in-depth visits
  • Personalized, strategic care designed for lasting results and longevity
FeatureConventional MedicineNon-Physician “Functional Medicine”Dr. Rashel Tahzib (Physician-Led Model)
ProviderPhysician (often time-limited)Often non-physician (varied training)Board-certified physician
Visit TimeShort, symptom-focusedVariable, often protocol-basedIn-depth, individualized
ApproachReactive, diagnosis-basedTrend-based or supplement-focusedRoot-cause, systems-based
PersonalizationLimitedVariableHighly personalized, physician-designed
ContinuityFragmented across providersOften inconsistentContinuous, physician-guided
Clinical DepthNarrow specialty focusLimited medical integrationMulti-system, integrative expertise
Hormone ManagementOften limited or avoidedVariable trainingAdvanced bioidentical hormone expertise
Complex Case HandlingOften referred outMay lack medical depthManaged comprehensively
GoalSymptom controlGeneral wellnessRestoration, optimization, longevity
OversightEpisodicVariableContinuous, strategic

Who This Is Designed For

This model is designed for individuals who want a higher level of care

You May Be a Good Fit If

  • you want direct access to an experienced physician
  • you are seeking answers beyond standard evaluations
  • you value depth, precision, and continuity
  • you want to optimize health, not just manage symptoms
  • you are focused on longevity, performance, and prevention

A Higher Standard of Medicine

This is not volume-based care. It is precision, physician-led medicine designed for results.

Our Commitment

Physician-Led

You work directly with Dr. Rashel

Personalized

Every plan is tailored to your biology and goals

Comprehensive

All systems are evaluated and integrated.

Results-Oriented

The goal is meaningful, lasting improvement—not temporary change.

Begin Your Health Restoration Journey

If you are ready for a more advanced, strategic, and personalized approach to your health, we invite you to take the next step

02.

STEP 2- Receive a complimentary phone call to discuss

03.

STEP 2- Receive a complimentary phone call to discuss

*Note that with this kind of plan pharmaceutical medications can not be ordered. The focus will be on your specific history, root causes and potential imbalances as well as specific diet, lifestyle discussion. You will be given targeted specific nutrients that will address your symptoms and a prescribed personalized lifestyle plan which often produces remarkable results.

Read Dr Rashel’s eBook

Health Is Your Birth Right: How to Protect, Optimize And Restore Your Health. A Guide To The Basics Of Functional Medicine