Testimonials & Reviews

All Functional Health always appreciates feedback from our valued patients. To date, we’re thrilled to have collected 109 reviews with an average rating of 4.84 out of 5 stars. Please read what others are saying about All Functional Health below, and as always, we would love to collect your feedback.

We appreciate and value all feedback on our services. See what people are saying about us:
★★★★★
★★★★★
All Functional Health is rated 4.9 out of 5.0 based on 110 ratings.

★★★★★
★★★★★

Great thanks very much

KENNETH L.

★★★★★
★★★★★

Attentive to every detail

JAMES R.

★★★★★
★★★★★

Dr. Mark had been my gastroenterologist for at least 10 years. He is thorough and pays attention to details, which is exactly what I want in a physician.

Alice N.

★★★★★
★★★★★

As a long time patient since 2015, I can attest to the outstanding skills of Dr. Jeffery Mark. I have observed first hand Dr. Jeffrey Mark possesses a heart felt dedication to heal his patients to the best of their capabilities. It takes doctor and patient to work together for healing to take place. This is a doctor you can trust. I put my life in his hands, and 4 yrs later I'm here to thank Dr. Jeffery Mark. As well as Dr. Fran Mark for taking care of protecting and strengthening my skin with well researched products.

Barbra B. - Danville, CA

★★★★★
★★★★★

The doctor was ready with his questions and was thorough in his explanations regarding treatment and procedures.

REENA P.

★★★★★
★★★★★

Dr. Mark is an excellent physician with a great bedside manner. A very busy office so can be a challenge at times to get to someone but they are usually good at responding to emails.

KIMBERLY J M.

★★★★★
★★★★★

Professional and considering the procedure, pleasant. Staff was awesome.

JOHN M.

★★★★★
★★★★★

Great phone appointment

SOPHIA J.

★★★★★
★★★★★

5

ZANYUN T.

★★★★★
★★★★★

Great! Much better by video

SHERRI V.


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The doctor was ready with his questions and was thorough in his explanations regarding treatment and procedures.

– Reena, Actual Patient

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Our Locations

OFFICE HOURS

Monday - Friday: 9am - 5pm

OFFICE HOURS

Monday - Friday: 9am – 5pm

OFFICE HOURS

Monday - Friday: 9am - 5pm

OFFICE HOURS

Monday - Friday: 10am - 6pm

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