A field of lotus flowers cross fading into a woman holding her hands in the shape of a heart over her lower abdomen.

Transforming lives

From Pain to Possibility

Specialized care for women with endometriosis and adenomyosis across the full spectrum of pelvic pain, complex symptoms, and fertility challenges — integrating advanced excision surgery with whole-person support.

Advanced Robotic MIGS Endometriosis Excision

Precision excision for disease from early to deeply complex.

Integrative & Holistic Care

Guided whole-person integrative support before and after surgery.

Research & Education

Setting new standards for endometriosis care through research and training.

Closeup of robotic arms and tooling of the DaVinci robotic surgery machine

A female doctor sitting bedside speaking with a smiling female patient, post-operative discussion

Welcome to the Lotus Endometriosis Institute

High Tech meets Warm Touch

Careful listening, advanced technology, clear guidance—from first consult through recovery.

Led by Dr. Steven Vasilev, MD—structured, evidence-based care across the spectrum of endometriosis and adenomyosis.

4

Board Certifications

Gynecology, Gynecologic Oncology, Integrative & Holistic Medicine

30+

Years Experience

Complex minimally invasive surgery, including MIGS endometriosis excision

0

Major Complications

In the past decade of surgery

Dr. Steven Vasilev MD

Director of Lotus Endometriosis Institute

A female patient resting in a wheel chair speaking with her physicians after her successful surgery

A female nurse smiling while speaking with a patient resting in bed after a successful surgery

“A doctor that is truly knowledgeable

I traveled from Colorado to California to have Dr. Vasilev perform an endometriosis excision surgery on me. I cannot say how thankful and grateful I am that I did.”

— Charley McGill, Patient, Santa Monica

Real Results. Real Relief.

Robotic MIGS precision backed by advanced surgical training and decades of experience.

Science-Driven, Patient-Focused

The Lotus Approach

We combine advanced robotic excision with comprehensive integrative support—nutrition, hormonal optimization, microbiome balance, stress modulation, and nervous-system regulation—to help optimize recovery.

Every plan is personal. Every step and guidance is designed to restore lasting wellness—not just symptom relief.

There’s a reason patients come to California.

Diagnosis

Listen & Clarify

We start with careful listening, review of records, and deep clinical context.

Explore Evaluation Process

Operate

Excision

Expert robotic surgery and integrative prep when it's the right fit for you.

Explore Excision Process

Recover

Heal

Evidence-based integrative care to ensure your recovery & long-term wellness.

Explore Integrative Healing

Our Patients

Our patients seek more than quick answers. They come for careful listening, expert evaluation, and a clear plan—guided by experience, precision, and follow-through.

Our Team

You’re supported by more than a surgical plan. Our team and trusted partners help coordinate the details that matter—so care feels clear, connected, and consistent.

Insights, News, & Expert Guidance

Explore Recent Posts

Explore our regularly updated posts for clear answers and expert-guided insights to questions about endometriosis, treatment options, and whole-person care.

A photorealistic close-up of a scientist's gloved hands placing a dried blood spot card into laboratory equipment, representing innovative period blood testing for endometriosis.

Differential Diagnosis

Feb 1, 2026

Could a Menstrual Blood Test Diagnose Endometriosis Earlier?

Discover how a menstrual blood test may revolutionize endometriosis diagnosis. Learn about new research and its potential impact on early detection.

6 minute read

Flat vector illustration of a stylized DNA double helix with glowing points, softly blended with feminine colors and abstract shapes, suggesting genetic research in women's health.

Epidemiology

Jan 31, 2026

Will Genetic Testing Help Diagnose Your Endometriosis Soon?

Discover if genetic testing could soon help diagnose endometriosis. Learn about new research and what it means for patients seeking answers.

7 minute read

Vector illustration of a female silhouette with abstract shapes converging on the pelvis, symbolizing mast cell impact on pelvic pain.

Myths & Misunderstandings

Jan 28, 2026

MCAS and Endometriosis Pain: What Research Suggests So Far

Explore the latest research on MCAS and its connection to endometriosis pain. Understand the implications for symptoms and treatment options.

11 minute read

Have a question?

Dr. Steven Vasilev delivers best-in-class endometriosis guidance and a personalized treatment plan—built on evidence and your unique biology.

Led by Steven Vasilev, MD—an internationally recognized endometriosis specialist & MIGS surgeon—Lotus Endometriosis Institute is virtual-forward, with many patients traveling nationally for care. Clinical evaluation and surgical treatment are provided in California.

Call Us

(424) 255-1340

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

8:00 am - 5:00 pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420