Photo of Dr. Katrina Platt

Dr. Katrina Platt, DO

Concierge Internal Medicine physician, Redlands, CA

The Cosmetic Office of Dr. Platt
5.0 (10 reviews)

Dr. Platt is a board-certified internal medicine physician who offers membership-based concierge care in Rancho Mirage.

251 Cajon Street, Suite A, Redlands, CA 92373
At a glance
Practice model
Membership-based concierge care in Rancho Mirage
Board certification
Internal Medicine, American Osteopathic Board of Internal Medicine
Languages
English

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

About Dr. Platt

Dr. Platt earned her medical degree from Western University of Health Sciences. She completed an internship at Valley Hospital Medical Center and residency at Arrowhead Regional Medical Center. She is board certified in internal medicine by the American Osteopathic Board of Internal Medicine.

She is a Fellow of the American College of Osteopathic Internists. From 2011 to 2017 she worked as a staff hospitalist at Eisenhower Medical Center. There she taught doctors-in-training in the internal medicine residency program and served on the Critical Care Committee.

She was recruited to lead the creation of the Internal Medicine Residency Program at Desert Regional Medical Center and served as its Program Director. Dr. Platt founded the Cosmetic Office of Dr. Platt, with locations in Redlands and Rancho Mirage. At the Redlands location, she leads a team that offers advanced aesthetic treatments and skin health solutions.

Her care adds an emphasis on health maintenance, wellness and preventive health alongside evidence-based internal medicine. She has an interest in aviation.

Membership and fees

At her concierge practice in Rancho Mirage, Dr. Platt offers individualized, membership-based care that focuses on prevention, longevity and wellness.

Services

Internal medicine Preventive health Wellness Longevity Aesthetic treatments
What internal medicine doctors commonly treat

Education and credentials

Degree
DO
Medical school
Western University of Health Sciences
Internship
Valley Hospital Medical Center
Residency
Arrowhead Regional Medical Center
Board certification
Internal Medicine, American Osteopathic Board of Internal Medicine
Other certification
Bioidentical Hormone Replacement Therapy
Professional memberships
Fellow, American College of Osteopathic Internists (FACOI)
NPI
1871749556

Hospital and practice affiliations

Staff hospitalist at Eisenhower Medical Center from 2011 to 2017

Location

251 Cajon Street, Suite A, Redlands, CA 92373
The Cosmetic Office of Dr. Platt practice page
Directions

Recognition and research

Teaching and research roles

Previously an assistant professor of internal medicine at Western University of Health Sciences

Patient reviews

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10 reviews
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Write a review
Rated 5 out of 5

Great!

"Got the professional care and consult I expected."

FMDD UserMar 2024
Rated 5 out of 5

Amazing!

"Enlightened me about my condition and the treatment options."

FMDD UserFeb 2024

Questions patients ask

Does Dr. Platt offer a membership?

At her concierge practice in Rancho Mirage, Dr. Platt offers individualized, membership-based care that focuses on prevention, longevity and wellness.

Is Dr. Platt board certified?

Dr. Platt is board certified in internal medicine by the American Osteopathic Board of Internal Medicine.

Where did Dr. Platt train?

Dr. Platt earned her medical degree from Western University of Health Sciences. She completed an internship at Valley Hospital Medical Center and residency at Arrowhead Regional Medical Center.

Where is Dr. Platt's office?

Dr. Platt founded the Cosmetic Office of Dr. Platt, with locations in Redlands and Rancho Mirage.

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