Comprehensive, Physician-Led Optimization

For those committed to protecting their long-term health and vitality, this practice was built with you in mind.

Located inside Thrive Natural Medicine in Aptos, CA

Our care is built for adults who take an active role in their health and expect more than temporary symptom relief.

We partner with individuals in our community, often 35 and older, who have noticed changes in their energy, metabolism, hormones, or recovery and want clear answers and a structured medical plan rather than trial and error.

Many of the people we serve are professionals, entrepreneurs, active retirees, or fitness-focused individuals who already prioritize their well-being, yet feel frustrated that their results no longer reflect the effort they put in.

Who We Serve

You may be a good fit if you are experiencing:

  • Ongoing fatigue or lower stamina than you used to have

  • Weight gain that does not respond to diet and exercise

  • Slower workout recovery or loss of strength

  • Brain fog, reduced focus, or low motivation

  • Hormone-related symptoms such as low testosterone or metabolic slowdown

  • Interest in medically guided regenerative or performance-support therapies

Our patients are not looking for quick fixes or one-size-fits-all programs. They want a comprehensive lab evaluation, physician oversight, and a personalized plan that addresses the underlying physiology behind how they feel.

If you are serious about optimizing your health, maintaining long-term vitality, and working with a physician who looks at the full picture, this practice was built with you in mind.


  • This program is designed to identify and correct the root causes of low energy, reduced strength, declining libido, erectile dysfunction, mood changes, and poor recovery.

    We use comprehensive diagnostics, including advanced hormone, metabolic, and nutrient testing, to create a personalized plan that may include hormone optimization, targeted supplementation, dietary guidance, and performance-focused lifestyle strategies.

    The goal: restore energy, rebuild strength, enhance libido, improve mood, and support long-term vitality with a clear, data-driven plan.

  • This program addresses the root drivers of midlife weight gain, insulin resistance, and metabolic slowdown without relying solely on conventional weight-loss medications.

    Using advanced metabolic testing and personalized nutrition strategies, we create a structured plan to improve insulin sensitivity, stabilize blood sugar, and support sustainable body composition changes.

    For appropriate candidates, we offer medically guided peptide options, including true GLP peptides, as part of a comprehensive and health-focused approach.

    The goal: restore metabolic flexibility, improve energy, and achieve lasting results that support long-term health— not just short-term weight loss.

  • Our Regenerative & Performance Medicine services are designed to support recovery, resilience, and optimal function at a cellular level.

    We offer advanced therapies such as peptides, exosomes, platelet-rich plasma (PRP), and IV nutrient therapy to enhance healing, improve performance, reduce inflammation, and accelerate recovery.

    The goal: whether you’re looking to optimize training, recover from injury, or maintain peak function as you age, these therapies are integrated into a strategic plan focused on long-term vitality and performance.

Our Approach


Who is Dr. Rajiv Parti?

Dr. Rajiv Parti, MD is a Board-Certified Physician with more than 20 years of experience in anesthesiology, advanced pain medicine, and medical leadership. After earning his medical degree in India, he immigrated to the United States in 1982, completing his residency at Maimonides Medical Center and Louisiana State University Medical Center.

Over the course of his career, Dr. Parti has served as Chief of Anesthesia at Bakersfield Heart Hospital and later as President of the Pain Institute of California, where he led both clinical and administrative operations. His background combines high-level procedural medicine with a long-standing commitment to improving patient outcomes through innovation, education, and systems-based care.

Today, Dr. Parti brings that depth of medical experience into a new chapter of practice at Thrive Naturopathic Medicine in Aptos, where he is focused on integrative medical optimization, metabolic health, hormone balance, and regenerative therapies. His work centers on helping men address the root physiological drivers behind fatigue, weight gain, reduced performance, and age-related decline.

Dr. Parti has completed additional training in obesity medicine and advanced metabolic care, with specific expertise in GLP-1–based medical weight management, insulin resistance, and cardiometabolic optimization. He also provides physician-guided care in testosterone optimization, sexual health, and evidence-based regenerative treatments designed to support recovery, vitality, and long-term function.

Known for his thorough, data-driven approach, Dr. Parti emphasizes comprehensive lab evaluation, individualized care plans, and ongoing medical oversight. His goal is to help patients not only manage symptoms, but restore energy, resilience, and performance through personalized, science-based medicine.

By integrating his extensive medical background with modern optimization and regenerative strategies, Dr. Parti is establishing a trusted medical presence within the Thrive community for individuals seeking proactive, physician-led care.