Dr. Winni Loesch, MD

Concierge Family Medicine physician, Grass Valley, CA

Amethyst Medical Group

Dr. Loesch is the physician and owner of Amethyst Medical Group in Grass Valley, a practice that blends conventional and Functional Medicine.

123 Margaret Lane, Suite C-2, Grass Valley, CA 95945
At a glance
Practice model
Annual-fee concierge model, also bills insurance
Annual assessment fee
$1,800 a year
Board certification
Family Practice
Practice size
Under 500 patients
Appointments
Same-day or next-day

Facts on this page last checked October 2026. How we check doctors

About Dr. Loesch

Dr. Loesch is board certified in Family Practice by the American Board of Family Practice (1984). She is a Fellow of the American Academy of Family Physicians. She graduated from Baylor College of Medicine in 1981 and completed a family medicine residency in 1984 at the University of Texas Health Science Center in San Antonio.

She established her medical practice in Nevada City and Grass Valley in 1987. She moved to Sacramento in 1995 and continued her clinical practice there. In 1996 she accepted the position of Medical Director of FPA Medical Group.

She returned to Nevada County in 2003 and reestablished her family medical practice as Amethyst Medical Group, bringing in Functional Medicine principles. She combines conventional medicine with Functional Medicine principles. She spends time listening to patients' histories and looks at how genetic, environmental and lifestyle factors shape long-term health and chronic disease.

Patients receive an annual in-depth Functional Medicine Health Assessment with ongoing goals.

Membership and fees

Amethyst Medical Group follows a concierge model in which the patient pays an annual fee.

The annual functional medicine assessment fee is $1,800 a year and covers the annual in-depth functional medicine health assessment with ongoing wellness goals.

The practice limits its size to less than 500 patients and offers same-day or next-day appointments.

Services

Functional medicine Annual health assessment
What family medicine doctors commonly treat

Education and credentials

Degree
MD, Associate of Arts in Nursing (1970), Bachelor of Arts in Biology (1977)
College
Mt. San Antonio College (Associate), University of California, Santa Cruz (Bachelor)
Medical school
Baylor College of Medicine, Houston (1981)
Residency
Family medicine, University of Texas Health Science Center in San Antonio (1984)
Board certification
American Board of Family Practice (1984)
Professional memberships
Fellow of the American Academy of Family Physicians

Hospital and practice affiliations

Physician and owner of Amethyst Medical Group

Location

123 Margaret Lane, Suite C-2, Grass Valley, CA 95945
Amethyst Medical Group practice page
Directions

Patient reviews

Be the first to review Dr. Loesch.
Write a review

Questions patients ask

Does Dr. Loesch take insurance, or offer a membership?

Amethyst Medical Group follows a concierge model in which the patient pays an annual fee. The practice also bills insurance.

How much is the annual fee at Amethyst Medical Group?

The annual functional medicine assessment fee is $1,800 a year.

Is Dr. Loesch board certified?

Dr. Loesch is board certified in Family Practice by the American Board of Family Practice (1984).

Where did Dr. Loesch train?

She graduated from Baylor College of Medicine in 1981. She completed a family medicine residency in 1984 at the University of Texas Health Science Center in San Antonio.

Where is Dr. Loesch's office?

Dr. Loesch's practice, Amethyst Medical Group, is in Grass Valley.

How many patients does Amethyst Medical Group see?

The practice limits its size to less than 500 patients.

Are you Dr. Loesch? Claim this profile for free. Report a correction.

Ready to contact Amethyst Medical Group?