Sex is Fun, Sexual Medicine can Help!

Welcome to Dr. Moser’s Revolutionary Sexual Medicine Practice

Charles Moser, MD, a renowned expert in treating the issues that arise in sexual functioning, gender diversity, alternative relationships, and optimizing your sexual experience is launching a groundbreaking medical practice.  Dedicated to enhancing your sexual health.

Key Features

  • 100% Sexual Medicine: Focused solely on your sexual health and well-being.
  • 100% Virtual: Telemedicine is easy to access from the comfort of your home and private.
  • 100% Insurance-Free (as of 7/1/2025): Straightforward, without insurance hassles or denials.

What is Sexual Medicine?

Sexual Medicine addresses the Medical Aspects of Sexual Concerns and the Sexual Aspects of Medical Concerns, including:

  • Diagnosis, Treatment, and Prevention of STIs, including HIV/AIDS.
  • Sex Hormone Concerns: Too high, too low, unwanted, or desire different.
  • Hormonal Treatment of Gender Diverse Individuals.
  • Sexual Functioning Issues: Lasting longer, erection difficulties, orgasm concerns, pain, arousal/interest issues, lack of desire, and desire discrepancy.
  • Sexual Rehabilitation: Post-stroke, heart attack, or other medical conditions. Difficulties related to medication side effects or post-surgical changes.
  • Nonjudgmental Healthcare: For diverse sexualities, identities, orientations, behaviors, relationship structures, expressions, and genders.

Dr. Moser’s Approach

  • Comprehensive Care: Combining medical and psychotherapy approaches, always trying to teach you something new.
  • Sex-Positive Philosophy: Supporting consensual sexual activities and lifestyles among adults.
  • Personalized Treatment Plans: Tailored with your input to your needs and goals – treating patients, not lab values.
  • Innovative: Bringing new approaches based in the latest research to create a

FAQs

What is the Focus of Your New Practice?

My practice is limited to sexual medicine, addressing sexuality, gender, or relationship concerns from medical, educational, and psychotherapeutic approaches.

What is Your Clinical Approach and Philosophy?

My approach is evidence-based with innovative treatment approaches.  I take a sex-positive perspective to create a safe, supportive environment where your input is seen, heard, and valued.

How Can I Make an Appointment?

Currently, all patients are seen through the auspices of the Sutter Pacific Medical Foundation. Please call 415-600-4900 to make an appointment. Please note that the patient must be in the State of California when the service occurs.

Due to changes in Medicare regulations, Dr. Moser is no longer a participating Medicare provider.  If you are a Medicare patient, please contact him through this site to discuss options.

Dr. Moser is also available for Sexual Medicine educational, professional consults and as an expert witness.  He can see Medicare patients “out of network.”  Don’t hesitate to get in touch with Dr. Moser through this site for assistance with these services. These services are NOT reimbursed through insurance and are separate from his medical practice.

Charles Moser, PhD, MD is a Sexual Medicine physician, clinical sexologist, sex educator, and sex researcher practicing in San Francisco, California, and Valencia, Spain.  He is a pioneer in the creation of the new medical specialty of Sexual Medicine – The Medical Aspects of Sexual Concerns and Sexual Aspects of Medical Concerns.

He received his PhD in Human Sexuality from the Institute for Advanced Study of Human Sexuality in San Francisco in 1979 and his MD from Hahnemann University (now known as Drexel University College of Medicine) in Philadelphia in 1991.  He is also a Licensed Clinical Social Worker in California, who maintained a private psychotherapy practice specializing in the treatment of sexual concerns before his medical career.  He is Board Certified in Internal Medicine by the American Board of Internal Medicine, Board Certified in HIV Medicine by the American Academy of HIV Medicine, and a Fellow of the European Committee of Sexual Medicine (FECSM).  Currently, Dr. Moser is President of the Diverse Sexualities Research and Education Institute (https://dsrei.org), a nonprofit 501(c)(3) organization.  His private practice focuses on Sexual Medicine. He has authored, co-authored, or edited over 90 scientific papers or books.

Dr. Moser has extensive experience as an expert witness in a variety of legal cases.  You can contact him if you need his help in a legal matter.