Dr. Daniel Rengstorff, MD

Dr. Daniel Rengstorff, MD

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Gastroenterology  ·  
Male  ·  
47 y/o
(4)

Accepting new patients

Dr. Daniel Rengstorff, MD is a gastroenterology specialist in Redwood City, CA and has been practicing for 15 years. He specializes in gastroenterology and internal medicine.

Peninsula Gastroenterology Medical Group

2900 Whipple Ave Ste 245

Redwood City, CA 94062
Get Directions

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Beech Street (Multiplan)
  • Blue Cross Blue Shield
  • Cigna
  • Coventry Health Care
  • Health Net
  • Humana
  • UnitedHealthCare

Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Rengstorff's experience treating your condition or procedure

Dr. Rengstorff's Top Procedures and Conditions

Treatment Frequency
Abdominal Pain
very high
very high

Treatment Frequency

Dr. Rengstorff treats Abdominal Pain more than 99% of his peers

Dr. Rengstorff treats this condition more than 99% of his peers

Abdominal Disorders
very high
very high

Treatment Frequency

Dr. Rengstorff treats Abdominal Disorders more than 98% of his peers

Dr. Rengstorff treats this condition more than 98% of his peers

Gastrointestinal Diseases
very high
very high

Treatment Frequency

Dr. Rengstorff treats Gastrointestinal Diseases more than 98% of his peers

Dr. Rengstorff treats this condition more than 98% of his peers

Dr. Rengstorff's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Ablation
  • Anal or Rectal Pain
  • Anal Prolapse
  • Anemia
  • Anoscopy
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Bile Duct Procedure
  • Biliary Atresia
  • Blood Disorders
  • Breath Testing
  • Cancer
  • Capsule Endoscopy
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colon Cancer
  • Colon Polyp
  • Colonoscopy
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer
  • Common Bile Duct Stone
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysphagia
  • Endoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Enteritis
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Surgery
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroenterology Procedures
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Heartburn
  • Helicobacter Pylori Gastrointestinal Tract Infection
  • Hemochromatosis
  • Hemorrhoid Treatment
  • Hemorrhoids
  • Hepatitis
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Damage from Alcohol
  • Malnutrition
  • Nausea
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Sigmoidoscopy
  • Stomach Diseases
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Viral Enteritis
  • Viral Hepatitis
  • Vomiting Disorders

About Me

Care Philosophy

I strongly believe in providing compassionate, thorough and up to date medical treatment for all of my patients. I strive to be a good listener to determine the best diagnostic and therapeutic approach for each patient every time I see them in the of...

Specialties

  • Gastroenterology
  • Internal Medicine

Board Certifications

  • Gastroenterology
  • Internal Medicine

Education

2004
California Pacific Medical Center
Fellowship Hospital
2001
Vanderbilt University Hospital
Residency Hospital
1999
Vanderbilt University Hospital
Internship Hospital
1998
Georgetown University School Of Medicine
Medical School
2004
2001
1999
1998

Awards

Dr. Rengstorff's Reviews

Likelihood to recommend Dr. Rengstorff

4.0

Based on 4 reviews

5 Stars
75%
(3)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
25%
(1)

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Dr. Rengstorff?
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Average Wait Time
  • 10 – 15 minutes
Dr. Rengstorff's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Daniel Rengstorff, MD
Reply
A previous GI doc prescribed a PPI, and I was not tolerating it well. My reflux was gone but I had suddenly become severely anemic, was falling down a lot, and was regurgitating daily. I saw Dr, Rengstorff for a desperate 4th opinion. He was not interested in my symptoms, just reiterated to stay on the med. When I asked for some alternative he "fired" me as a patient. I have never felt so alone or uncared for. I am happy to say I am now off that med & have no more reflux. I cannot recommend.
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Locations

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

Aetna
Anthem Blue Cross Blue Shield
Beech Street (Multiplan)
Blue Cross Blue Shield
Blue Cross
Cigna
Great West Healthcare-Cigna
Coventry Health Care
Health Net
Humana
UnitedHealthCare
PacifiCare

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Rengstorff treats patients.

Learn more

Sequoia Hospital

Redwood City, CA

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