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Dr. Ross Pirkle, MD

Concierge Internal Medicine physician, Walnut Creek, CA

Cornerstone Primary Care

Dr. Ross Pirkle is an internal medicine physician at Cornerstone Primary Care in Walnut Creek, a membership-based practice.

112 La Casa Via, Suite 135, Walnut Creek, CA 94706
At a glance
Practice model
Membership, insurance accepted for covered medical services
Individual membership
$300 a month or $3,450 a year
Couple membership
$575 a month or $6,800 a year

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

About Dr. Pirkle

Dr. Pirkle holds MD and MS degrees and serves patients at Cornerstone Primary Care in Walnut Creek, California. He studied at UC Berkeley and UC San Francisco. He served two terms as chief of medicine at John Muir Medical Center.

He believes in combining therapies such as acupuncture, behavioral health, body work and chiropractic with traditional medicine to create wellness. He works with patients to build a wellness plan around their health goals.

Membership and fees

Cornerstone Primary Care is a membership-based practice. Individual membership costs $300 a month or $3,450 a year.

Couple membership costs $575 a month or $6,800 a year.

Private membership covers non-covered services, and the practice accepts insurance for covered medical services.

Services

Joint injection therapy Genetic screening guidance Wellness planning Care for men and women
What internal medicine doctors commonly treat

Education and credentials

Degree
MD, MS
College
University of California, Berkeley
Medical school
University of California, San Francisco
NPI
1184656688

Hospital and practice affiliations

Former chief of medicine (two terms), John Muir Medical Center

Location

112 La Casa Via, Suite 135, Walnut Creek, CA 94706
Cornerstone Primary Care practice page
Directions

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Questions patients ask

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

Both. Cornerstone Primary Care is a membership-based practice. Private membership covers non-covered services, and the practice accepts insurance for covered medical services.

How much does a membership at Cornerstone Primary Care cost?

Individual membership costs $300 a month or $3,450 a year. Couple membership costs $575 a month or $6,800 a year.

Where did Dr. Pirkle train?

He earned his undergraduate degree at UC Berkeley and his medical degree at UC San Francisco.

Where is Dr. Pirkle's office?

Dr. Pirkle serves patients at Cornerstone Primary Care in Walnut Creek, California.

Does Dr. Pirkle offer joint injections?

Yes. Dr. Pirkle provides joint injection therapy to relieve pain and restore function in arthritis and joint injuries.

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