Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Gregory Katz, MD

Individual provider Internal Medicine Physician · NPI 1184674178

Dr. Gregory Katz, MD is an Internal Medicine in Newport Beach, California. Graduated from Albert Einstein College of Medicine of Yeshiva University in 1991, 35 years ago. Practices with Newport Medicine Group Inc, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
35
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

520 Superior Ave Ste 220
Newport Beach, CA 92663-3637
Phone: (949) 642-2333
Fax: (949) 548-9456
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G76136 (CA)

Record details

NPI number1184674178
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESMay 26, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 1991 (35 years in practice)
Group practice Newport Medicine Group Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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