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Dr. Mark Jarvis

MBBS, MRCP, MA (Oxon)

Gastroenterologist

26 years of experience

Brentwood, CM15 8EH

(+1 more)

4 connections in healthcare

Skill endorsed

by Mr Ali Salih

4.98

/5

(18 reviews)

26 years of experience

Brentwood, CM15 8EH

(+1 more)

4 connections in healthcare

Skill endorsed

by Mr Ali Salih

Areas of expertise

All
Reviews
Skill Endorsements
Stomach / Abdominal Pain
6
1
Gut Health
5
Colonoscopy
3

Contact

Book


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
(27)
Skill Endorsements
(6)

Click the bar to read reviews or skill endorsements

Stomach / Abdominal Pain
6
1
Gut Health
5
Colonoscopy
3
Endoscopy (OGD)
3
Constipation
3
Bloating
2
Upper Gastrointestinal Conditions (Oesophagus & Stomach)
2
Swollen Stomach
1
Gallstones
1
Heart Burn
1
Irritable Bowel Syndrome (IBS)
1
Acid Reflux (Heartburn)
1
Diarrhoea
1
Liver Function Tests
1
Reflux
Inflammatory Bowel Disease (IBD)
Gluten Intolerance
Functional Gut
Barrett's Oesophagus
GORD (Gastroesophageal Reflux Disease)
Coeliac Disease
Crohn's Disease
Nausea and Vomiting
Hiatus Hernia
Rectal Bleeding
Oesophagitis
Helicobacter Pylori Infection
Gastro-oesophageal Reflux Disease (GORD)
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

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

4.88(1242 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
6
1
Gut Health
5
Colonoscopy
3

Contact

Book

Reviews

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:
5
verified patient
06 Dec 2025

Mr Jarvis was extremely professional and dedicated. He wasted no time in arranging tests and scans to determine the cause of my discomfort. He was very clear and transparent about the treatment I received. I immediately received reports outlining the procedures and their findings which was extremely comforting. His dedication knew no bounds, when he personally followed up reports needed from Radiology. This, combined with the constant follow ups from his secretary Victoria, resulted in a prompt diagnosis, enabling me to continue with a previously booked trip abroad. Absolutely brilliant personal care.

Patient seen for:
Reply from Mark Jarvis
09 Dec 2025
avatar-image

Thank you for your review. Very Best wishes for your upcoming trip .

5
verified patient
18 Nov 2025

The treatment i recieved was delivered professionally and promptly I recieved excellent pre and post operative care

Patient seen for:
5
verified patient
22 Oct 2025

Dr Jarvis was very clear and concise about my tests and results. He explained them in layman terms and was helpful answering my questions. I found him to be very approachable and easy to speak to. One is the best experiences with a consultant, highly recommended.

5
verified patient
13 Sep 2025

I have seen Dr Jarvis both in the NHS and private sector. He is excellent, very thorough, kind, reassuring and informative. I travel over 50 miles to see Dr Jarvis, he is fantastic doctor and I highly recommend him.

Reply from Mark Jarvis
14 Sep 2025
avatar-image

Thank you for taking the time to leave such a positive comment.

5
verified patient
07 Aug 2025

I recently saw Mark as I had a number of gastro concerns. I was able to see Dr Jarvis within a few days which was great and he listened to all of my concerns and made a clear plan of action. Following my results I was called to book in a follow up and Mark again saw me very quickly. He explained everything clearly and was extremely helpful. I would not hesitate to recommend Dr Jarvis.

Reply from Mark Jarvis
14 Aug 2025
avatar-image

We are so pleased that you had a positive experience, Thank you so much for the feedback.

Your trust is our top concern, so providers can't pay to alter or remove reviews.
Learn more here

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 4.98 out of 5 stars on Doctify. This is based on 15 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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