Photo of Dr. Robert A. Hardy

Dr. Robert A. Hardy, MD

Concierge Internal Medicine physician, Walnut Creek, CA

Cornerstone Primary Care
5.0 (10 reviews)

Dr. Hardy is a board-certified internal medicine physician at Cornerstone Primary Care and a clinical professor at UCSF.

112 La Casa Via, Suite 135, Walnut Creek, CA 94706
At a glance
Practice model
Membership practice that also bills insurance for covered services
Board certification
Internal medicine
Membership
Individual $300 a month or $3,450 a year

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

About Dr. Hardy

Dr. Hardy is board certified in internal medicine and is a clinical professor at the University of California, San Francisco School of Medicine. He earned his medical degree at Baylor College of Medicine and completed residency programs at UC Davis and UC San Francisco. He then finished subspecialty fellowship training at the University of Chicago.

He has held faculty posts at UC Davis and the University of Chicago, and he has been a consultant to Veterans Administration medical centers in northern California. He has chaired departments at John Muir Medical Center-Walnut Creek and Contra Costa County Regional Medical Center. He takes his own after-hours calls.

Away from work, he enjoys middle-distance running, mountain biking, whitewater rafting and open-water swimming, and he restores historic adobe homes.

Membership and fees

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

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

Private membership covers services insurance does not cover, and the practice also bills insurance for covered medical services.

Education and credentials

Degree
MD
College
University of Illinois
Medical school
Baylor College of Medicine
Residency
University of California, Davis and University of California, San Francisco
Fellowship
University of Chicago
Board certification
Internal medicine
NPI
1346450418

Hospital and practice affiliations

Clinical Professor, University of California, San Francisco School of Medicine

Location

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

Recognition and research

Awards

Named a Top Doctor among Bay Area physicians by the Center for the Study of Diseases.
Awards from San Francisco General Hospital for excellence in patient care.

Teaching and research roles

Teaching awards from the University of California, San Francisco School of Medicine.

Publications

Author of several articles in peer-reviewed medical journals.

Patient reviews

5.0
10 reviews
5 star10
4 star0
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1 star0
Write a review
Rated 5 out of 5

Amazing!

"Guided me in choosing the best treatment option."

FMDD UserJan 2024
Rated 5 out of 5

Awesome!

"Enlightened me about my condition."

FMDD UserDec 2023
Rated 5 out of 5

Great!

"Very professional care and consult."

FMDD UserNov 2023

Questions patients ask

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

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

How much does a membership at Cornerstone Primary Care cost?

An individual membership costs $300 a month or $3,450 a year. A couple membership costs $575 a month or $6,800 a year.

Is Dr. Hardy board certified?

Dr. Hardy is board certified in internal medicine.

Where did Dr. Hardy train?

Dr. Hardy earned his medical degree at Baylor College of Medicine and completed residency programs at UC Davis and UC San Francisco. He then completed subspecialty fellowship training at the University of Chicago.

Where is Dr. Hardy's office?

Dr. Hardy practices at Cornerstone Primary Care.

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