Preventive Medical Center of Marin

Integrative Family Medicine located in San Rafael, CA

At Preventive Medical Center of Marin in San Rafael, California, Elson M. Haas, MD, leads a team of devoted medical providers who offer a holistic approach to patient care. They combine the best of Western and Eastern medicine with nutrition, lifestyle modifications, herbology, and mind-body healing to help patients improve their health and prevent chronic illness.

Preventive Medical Center of Marin focuses on preventive medicine, helping patients address health issues and reduce their risk of illness naturally. The practice operates on a philosophy of taking care of the body and identifying and healing the root cause of a patient’s symptoms. They offer a wide variety of safe and effective approaches to treat health problems and to achieve balance in the body.

The team at Preventive Medical Center of Marin offers a wide range of health assessments including cardiovascular risk, vitamin and mineral assays, and food allergy and intolerance screenings. They also offer advanced hormonal screenings and tests to measure gastrointestinal function, as many health conditions are rooted in hormonal imbalance and digestive inflammation.

Preventive Medical Center of Marin works within the insurance model whenever possible, and accepts most insurance plans. New patients are welcome, and appointments are available by calling the office at 415-213-2249.

Welcome To Preventive Medical Center of Marin



PMCM is serving patients at our Marin facility with integrative family medicine using insurance for more than three decades. Please explore our site and see how we can provide high quality, attentive HEALTH care to you and your family.


Dr. Haas recommends adjusting your lifestyle habits to align with the changing seasons as one key to improving your vitality and Staying Healthy. Check out his most recent suggestions in these 10 Tips.


Best Holistic Health Center for the THIRD year in a row.

Detox Group Class

7 Day Detox Online

Free Online Course

On the Cover of Woman's World This Week

Look for the latest issue of Woman's World that hits the stands at your local grocery store on Thursday, August 15th. I am featured on the cover and inside there's a double page article with lots of practical health information, Check it out this week!

Free Class on September 9th at SoCoHa

I am delighted to announce my first class at this new location in Sebastopol, CA. At 6:30 pm on Monday, September 9th. I will be talking about how to adjust our lifestyle for the coming seasonal transition from Summer to Autumn. Join me in person or online

Accepted Insurance

Preventive Medical Center of Marin
 accepts most major insurances, for further inquiries please call our office.

Anthem Blue Cross Blue Shield
Blue Shield of California

Words from our patients

  • Yelp

    "This place has saved my life. I have had many, many good experiences with the practitioners here...I feel incredibly lucky to have found these practitioners at PMCM!"

    Thalia F.
  • Yelp

    "Dr. Haas and his staff are professional, experienced, friendly, accommodating, and get the job done well."

    Evan H.
  • Yelp

    "I go here because they offer good primary care, will refer you to specialists as needed, have great experts on other health areas right there,..."

    Craig F.
Preventive Medical Center of Marin

4340 Redwood Highway, St22
San Rafael, CA 94903
Phone: 415-213-2249
Fax: 415-472-7636
Office Hours

Get in touch