Browse Health
Internist, Gastroenterologist (digestive)
13 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Dan Rengstorff:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Dan Rengstorff is Good. Dr. Rengstorff has been reviewed by 12 patients who have provided 7 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 4.0
Courteous Staff 4.3
Accurate Diagnosis 3.3
Bedside Manner 3.5
Spends Time with Me 3.5
Follows Up After Visit 3.5

Specialties & Research

Dr. Dan Rengstorff, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Rengstorff graduated from Georgetown University, Washington.


Dr. Rengstorff has 8 hospital affiliations:

  • El Camino Hospital 
  • Stanford Hospital and Clinics 


  • English

> > > > Dr. Dan Rengstorff, MD

Similar doctors nearby

Dr. Cynthia Leung

Internal Medicine
9 years experience
Redwood City, CA

Dr. John Simpson

Internal Medicine
37 years experience
Redwood City, CA

Dr. Bruce McAuley

Internal Medicine
34 years experience
Redwood City, CA

Dr. Barrett Bryan

Internal Medicine
41 years experience
Redwood City, CA

Dr. Mara Giattina

Internal Medicine
9 years experience
Redwood City, CA

Dr. Tomoaki Hinohara

Internal Medicine
36 years experience
Redwood City, CA
Search All Similar Doctors
Additional Information
Dr. Dan Rengstorff MD is a male Internist, has 13 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Dan Rengstorff practice?
Dr. Dan Rengstorff has 1 office location.
Dr. Dan Rengstorff practices Internal Medicine and Gastroenterology near Redwood City, CA.
See Redwood City Internists and Redwood City Gastroenterologists.