Catherine Gentemann, MD - Doctor in Huntington Beach, CA

Catherine Gentemann, MD

Doctor
4.9

196 reviews

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About This Business

Catherine Gentemann, MD, is an internal medicine physician in Huntington Beach, California, with 33 years of experience since graduating in 1993, above the 29-year average among the 109 Huntington Beach physicians in our directory. Registered with the national provider registry since 2006, she holds an active California license. She is one of eleven internal medicine physicians among the doctors in our Huntington Beach listings. Her Medicare profile lists removal of skin lesions and removal or shaving of skin growth among her most frequent procedures. She is affiliated with MemorialCare Orange Coast Medical Center, MemorialCare Long Beach Medical Center, and Hoag Memorial Hospital Presbyterian. She accepts Medicare and offers telehealth, one of 18 city doctors in our directory offering both. Patient sentiment is exceptional: a 4.9 rating across 196 reviews.

Verified Provider Info

Specialty (per registry)
Internal Medicine
NPI Number
1215043526
Medical school graduate
1993 (33+ years of practice)
State license
G081721 (CA)
Hospital affiliations
Memorialcare Orange Coast Medical Center · Memorialcare Long Beach Medical Center · Hoag Memorial Hospital Presbyterian
Common services (Medicare data)
Removal of skin lesions · Removal or shaving of skin growth
Accepts MedicareTelehealth available

Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18

Address

17762 Beach Blvd Suite 220
Huntington Beach, CA 92647

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Information last updated: August 23, 2026