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Dr. Mark Jarvis

MBBS, MRCP, MA (Oxon)

Gastroenterologist

Live bookings available

27 years of experience

Brentwood, CM15 8EH

(+1 more)

5 connections in healthcare

Skill endorsed

by Mr Ali Salih

4.99

/5

(23 reviews)

Live bookings available

27 years of experience

Brentwood, CM15 8EH

(+1 more)

5 connections in healthcare

Skill endorsed

by Mr Ali Salih

Areas of expertise

All
Reviews
Skill Endorsements
Stomach / Abdominal Pain
10
1
Colonoscopy
5
Endoscopy (OGD)
5

Contact

Book online


Expert in:

About Dr. Mark Jarvis

Dr. Mark Jarvis is a Consultant Gastroenterologist at Nuffield Health Brentwood Hospital, specialising in general gastroenterology and endoscopy. He studied at Magdalen College, Oxford, and Imperial College London, before advancing his career as a senior substantive Gastroenterologist and Physician at Basildon Hospital, where he has over 12 years of consultant experience.

Dr. Jarvis has particular expertise in inflammatory bowel disease, irritable bowel syndrome (IBS), and nutrition. He previously served as Clinical Director of Endoscopy at Basildon Hospital and is currently the endoscopy training lead at this major teaching hospital. Additionally, he holds the position of Accreditation Chair for the Joint Advisory Group on Gastrointestinal Endoscopy (JAG), where he regularly leads inspections of UK endoscopy departments in both public and private sectors while overseeing the accreditation process in the UK and internationally.

Beyond his clinical work, Dr. Jarvis contributes to expert advisory panels for NHS England and the British Society of Gastroenterologists, providing insight and leadership in the field of gastroenterology.

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For any enquiries relating to an appointment at Chartwell or Nuffield Hospital, please reach out to Dr Jarvis' secretary Victoria via jarvisgastroltd@outlook.com or call 07884 554799.


Subspecialties

  • Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease
  • Irritable Bowel Syndrome (IBS)

Areas of expertise

All
Reviews
(40)
Skill Endorsements
(6)

Click the bar to read reviews or skill endorsements

Stomach / Abdominal Pain
10
1
Colonoscopy
5
Endoscopy (OGD)
5
Constipation
5
Gut Health
5
Bloating
2
Upper Gastrointestinal Conditions (Oesophagus & Stomach)
2
Diarrhoea
2
Heartburn (Acid Reflux)
1
1
Irritable Bowel Syndrome (IBS)
1
1
Crohn's Disease
1
Liver Function Tests
1
Swollen Stomach
1
Gallstones
1
Inflammatory Bowel Disease (IBD)
Gluten Intolerance
Functional Gut
Barrett's Oesophagus
Gastro-Oesophageal Reflux Disease (GORD)
Coeliac Disease
Nausea and Vomiting
Hiatus Hernia
Blood in Stool / Rectal Bleeding (Haematochezia)
Oesophagitis
Helicobacter Pylori Infection
Gastric (Stomach) Ulcers
Gastroscopy
Diverticulitis
Colitis (Ulcerative Colitis)
Gastritis
Sigmoidoscopy
Colon Polyps
Diverticular Disease

Registered with

General Medical Council

No. 4653251


Education

University of Oxford

Physiological Sciences

Graduated 1999


Qualifications

MB BS 1999 University of London


Languages spoken

  • English

Insurers

  • Vitality
  • Aviva Health
  • Bupa Fee Assured
  • Healix Health Services
  • WPA
  • Bupa
  • AXA Health

Fees

  • New appointment

    £250
  • Follow-up appointment

    £150
*May vary on location

Locations

Nuffield Health Brentwood Hospital

Shenfield Road, Shenfield, Brentwood, United Kingdom, CM15 8EH

4.89(1,583 reviews)

Opening hours

Monday
14:00 - 16:00
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Facilities

Wheelchair Accessible
Free Parking
View practice profile

Opening hours

Monday
14:00 - 16:00
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Facilities

Wheelchair Accessible
Free Parking
View practice profile

Chartwell Private Hospital

1629 London Road, LEIGH-ON-SEA, United Kingdom, SS9 2SQ

0.00(0 reviews)

Opening hours

Monday - Friday
Saturday
Sunday

Areas of expertise

All
Reviews
Skill Endorsements
Stomach / Abdominal Pain
10
1
Colonoscopy
5
Endoscopy (OGD)
5

Contact

Book online

Reviews

AI Review Summary

This summary was created by AI based on recent reviews

Dr. Mark Jarvis is professional, helpful, and reassuring with patients. He clearly explains diagnoses and treatment plans. He offers great care during and after procedures, leading to quick diagnoses and better patient quality of life. Common patient issues involve stomach or abdominal pain, gut health, colonoscopy, and endoscopy procedures.

5
verified patient
15 Sep 2026

Excellent appointment

Patient seen for:
5
verified patient
14 Sep 2026

Very helpful

Patient seen for:
5
verified patient
25 Aug 2026

Easy process

Reply from Mark Jarvis
14 Sep 2026
avatar-image

Thank you for your review

5
verified patient
29 Jun 2026

Dr Jarvis was very understanding and went above and beyond to reassure me and put my mind at rest he explained fully all my symptoms and I would recommend him to anyone

Reply from Mark Jarvis
16 Jul 2026
avatar-image

Thank you for taking the time to leave a review. Its appreciated.

5
verified patient
23 Jun 2026

He was very helpful and knowledgeable in my diagnosis & always had time for me.

Reply from Mark Jarvis
27 Jun 2026
avatar-image

Thank you for taking the time to leave a review. Its very much appreciated.

5
verified patient
01 Jun 2026

I recently had a telephone appointment with Dr Jarvis,

Reply from Mark Jarvis
02 Jun 2026
avatar-image

Your positive review is appreciated. Thank you

5
verified patient
14 May 2026

Dr Jarvis treated me with kindness and empathy. He gave me clear explanations for my diagnosis and treatment plan. I would highly recommend him to others

Patient seen for:
Reply from Mark Jarvis
18 May 2026
avatar-image

Thank you for your review

5
verified patient
13 May 2026

I have recently seen Dr Jarvis regarding IBS related symptoms and have had a very positive experience. Throughout the process whether during appointments or procedures he has been extremely personable and empathetic. His expertise and extensive knowledge has finally enabled us to put a detailed plan in place to help improve my day to day quality of life. Also, the professionalism and attentiveness of his secretary Victoria has made the experience so smooth throughout. She really has helped to put our minds at ease during a challenging time. My wife and I have been thoroughly satisfied we the service we have received. Thank you again.

Reply from Mark Jarvis
18 May 2026
avatar-image

Thank you for taking the time to leave a positive review.

4.67
verified patient
24 Mar 2026

Mark was clear and precise and explained things thoroughly . I found him friendly and easy to talk to talk to. His Secretary Victoria was also excellent and very helpful with following up meetings with results and always mad you feel at ease.

5
verified patient
21 Jan 2026

I recently had a very embarrassing issue with regards to a sensitive area of my body, I visited Dr Jarvis through my BUPA plan and chose him based on his excellent reviews and skill set. I was not disappointed, Dr Jarvis was friendly, professional and explained everything throughout my two visits including a procedure. Im pleased to say my issue was resolved and I was reassured if the problem did persist or return to make contact. Again friendly, professional and very reassuring, overall I was very pleased with the service and his assistant Victoria was also very helpful and professional along the way.

Patient seen for:
Your trust is our top concern, so providers can't pay to alter or remove reviews.
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Skill Endorsements

Avery good and reliable gastroenterologist

15 Sep 2025
Endorsed for
Irritable Bowel Syndrome (IBS)
Rapid Access GP Appointment
Swollen Stomach

Mr Ali Salih

Mr Ali Salih

General Surgeon
Is a colleague

FAQ

What are Dr. Mark Jarvis's reviews like?

Dr. Mark Jarvis's overall patient rating is 4.99 out of 5 stars on Doctify. This is based on 23 reviews.

What languages does Dr. Mark Jarvis speak?

Dr. Mark Jarvis speaks English

Where is Dr. Mark Jarvis located?

Dr. Mark Jarvis primarily practices at Nuffield Health Brentwood Hospital, located at Shenfield Road, Shenfield, Brentwood, United Kingdom, CM15 8EH
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What are Dr. Mark Jarvis working hours?

Dr. Mark Jarvis is working Monday (14:00 - 16:00)

Find where Dr. Mark Jarvis operates today

Does Dr. Mark Jarvis accept new patients?

Dr. Mark Jarvis generally accepts new patients.

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