Photo of Dr. Gregory J. Katz

Dr. Gregory J. Katz, MD

Concierge Internal Medicine physician, Newport Beach, CA

Newport Medicine Group
5.0 (17 reviews)

Dr. Katz is an internist at Newport Medicine Group, which offers a concierge program to a limited number of patients.

520 Superior Ave, Suite 220, Newport Beach, CA 92663
At a glance
Practice model
Concierge program for a limited number of patients, with insurance accepted
Board certification
Internal Medicine

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

About Dr. Katz

Dr. Katz is an internist and one of two physicians at Newport Medicine Group. He received his MD from the Albert Einstein College of Medicine in 1991 and completed residency training at the University of California, San Diego. He is board certified in internal medicine and has been in practice since 1994.

Dr. Katz worked alongside Dr. Gary Carlson for 13 years, and in August 2009 he moved on from their former office to found Newport Medicine Group. He and Dr. Carlson offer a concierge program for a limited number of patients. It includes executive level physical exams and direct access to a personal physician at all times.

Membership and fees

The practice offers a concierge program to a limited number of patients, who get executive level physical exams and direct access to their personal physician at all times.

Education and credentials

Degree
MD
Medical school
Albert Einstein College of Medicine (1991)
Residency
University of California, San Diego
Board certification
Internal Medicine

Hospital and practice affiliations

One of two physicians at Newport Medicine Group

Location

520 Superior Ave, Suite 220, Newport Beach, CA 92663
Newport Medicine Group practice page
Directions

Patient reviews

5.0
17 reviews
5 star17
4 star0
3 star0
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1 star0
Write a review
Rated 5 out of 5

"Gives honest feedback while remaining kind and supportive. Explains diagnosis details with a reassuring and professional tone."

FMDD UserDec 2024
Rated 5 out of 5

"Treats complex medical issues without ever making the patient feel overwhelmed."

FMDD UserDec 2024
Rated 5 out of 5

"Offers the best of modern medicine with a human touch."

FMDD UserNov 2024
Rated 5 out of 5

"Creates a sense of security by combining deep medical knowledge with kindness."

FMDD UserSep 2024
Rated 5 out of 5

Great!

"Gave 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. Katz take insurance, or offer a membership?

The practice accepts Medicare, most PPOs, and some HMOs. The practice also offers a concierge program to a limited number of patients.

What does the concierge program include?

Concierge patients get executive level physical exams. They also get direct access to their personal physician at all times.

Is Dr. Katz board certified?

Dr. Katz is board certified in Internal Medicine.

Where did Dr. Katz train?

He received his MD from the Albert Einstein College of Medicine in 1991. He completed residency training at the University of California, San Diego.

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