Dr. Gregory S. Harmon | Torrance, CA | Gastroenterology

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Dr. Harmon graduated from the U of Chgo Div of Bio Sci Pritzker Sch of Medicine,University of Chicago, Pritzker Sch of Med, Chicago Il in 1999. Dr. Harmon works in Torrance, CA and specializes in Gastroenterology. Dr. Harmon is affiliated with Uci Health Los Alamitos.

accepting new patients
4.8

209 Ratings
27 years of experience
49 insurance plans accepted
speaks English
Univ Ca San Diego Med Ctr, Gastroenterology Northwestern Univ Med Sch, Internal Medicine
198 written reviews
1 specialty
16 areas of expertise
2 board certifications
1 hospital affiliation
1 office location

Patients frequently commend Dr. Gregory Scot Harmon for his professionalism, thoroughness, and compassionate demeanor, noting that he listens attentively and provides clear explanations, contributing to a positive and informative healthcare experience. Many patients express gratitude for his knowledgeable approach, efficiency, and the respectful, friendly nature of his office staff, which fosters a sense of trust and confidence in his care. However, some patients report difficulty in scheduling appointments due to Dr. Harmon’s busy schedule, with long wait times being a point of frustration. Additionally, while most feedback is positive, a few note a perceived lack of engagement or warmth in bedside manner during visits.

AI-generated from the text of patient reviews

209 ratings & reviews

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Showing 1 to 10 of 198 reviews

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After seeing two other Doctors concerning my issues, Dr. Harmon was the only one that understood my issue and had very good advice

June 14th, 2025 | Source: Partner

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Pre-colonoscopy visit. Dr. Harmon and staff did a great Job answering all questions and thoroughly explained exactly what to expect. Including detail review of specific instructions leading up to.

June 14th, 2025 | Source: Partner

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Dr Harmon provided very professional care - he was thoughtful, curious, kind and compassionate. He was very personable and explained things in a very understandable way.

June 11th, 2025 | Source: Partner

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Dr. Harmon is warm and courteous and explained things to me in a very easy to understand way.

June 8th, 2025 | Source: Partner

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Dr Harmon is very knowledgeable and keen to make sure he understands everything I'm concerned about. The staff is the best

June 8th, 2025 | Source: Partner

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Dr. Harmon understands my family history and my own and takes my concerns for my health seriously. He answer my questions and gives me clear explanations. He is a very professional, and personable. I would recommend him to family and friends.

June 3rd, 2025 | Source: Partner

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The experiences were thorough, professional and I felt comfortable.

May 26th, 2025 | Source: Partner

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I was very pleased and a friend also sees dr Harmon I found out after my visit because I had mentioned how pleased I was with him and she loves him also

May 25th, 2025 | Source: Partner

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Good experience!

May 23rd, 2025 | Source: Partner

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Dr. Harmon listens attentively to my concerns and is very kind during our visits. I value a doctor that takes their time, doesn't rush and makes me feel heard especially since I get very nervous during any doctor visit.

May 9th, 2025 | Source: Partner

Providence Medical Institute - Torrance Gastroenterology

20911 Earl St Ste 220Torrance, CA 90503

Tel: (310) 540-9600


Dr. Gregory Scot Harmon	Ashley Anderson, APRN	Rebecca Humphries, APRN	Jan Seiler, APRN
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.8 (209 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
27 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks English	Speaks English	Speaks English
Torrance , CA	SACRAMENTO , CA	SACRAMENTO , CA	Montgomery , AL
Med School: U Of Chgo Div Of Bio Sci Pritzker Sch Of Medicine	Med School: East Tennessee State University - Quillen College of Medicine	Med School: Emory University	Med School: Georgia State University
Current Profile	View Profile	View Profile	View Profile

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Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Capsule Endoscopy
Celiac Disease
Colon Cancer
Colonoscopy
Constipation
Hemorrhoids
Hepatitis
Hepatitis C
Hiatal Hernia
Inflammatory Bowel Diseases (IBD)
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis
Viral Human Hepatitis

BOARD CERTIFICATIONS

American Board of Internal Medicine

Internal medicine

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

Univ Ca San Diego Med Ctr, Gastroenterology Northwestern Univ Med Sch, Internal Medicine

Northwestern Univ/McGaw

Northwestern Univ/McFaw

Medical School

U Of Chgo Div Of Bio Sci Pritzker Sch Of MedicineGraduated in 1999

University of Chicago, Pritzker Sch of Med, Chicago IlGraduated in 1999

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Is Dr. Gregory Harmon accepting new patients?: Dr. Gregory Harmon is accepting new patients on Vitals. View Dr. Gregory Harmon's profile on Vitals to make an appointment.
Which hospitals is Dr. Gregory Harmon affiliated with?: Dr. Gregory Harmon is affiliated with Uci Health Los Alamitos.
What languages does Dr. Gregory Harmon speak?: Dr. Gregory Harmon speaks English.
Does Dr. Gregory Harmon accept virtual/telehealth appointments?: Dr. Gregory Harmon has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Gregory Harmon's office located?: Dr. Gregory Harmon's office is located at 20911 Earl St Ste 220, Torrance, CA, 90503.

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