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Dr. Daniel S Rengstorff Is this you?

About Dr. Daniel S Rengstorff

Dr. Daniel S Rengstorff, MD is a Doctor primarily located in Redwood City, CA. He has 20 years of experience. His specialties include Internal Medicine and Gastroenterology. He speaks English.

Rating Overview

12 Ratings with 8 Comments

The overall average patient rating of Dr. Daniel S Rengstorff is Good. Dr. Daniel S Rengstorff has been rated by 12 patients. From those 12 patients 8 of those left a comment along with their rating. The overall rating for Dr. Daniel S Rengstorff is 3.1 of 5.0 stars.

Mapbox Map of Dr. Daniel S Rengstorff

Primary Address

Peninsula Gi Medical Group

2900 Whipple Ave Ste 245
Redwood City, CA 94062
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Specialties

Dr. Daniel S Rengstorff has the following 2 specialties

  • Internal Medicine

    An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.
    These doctors are often who adults see as their primary physicians because they treat a broad range of illnesses that do not require surgical or specialist interventions. They also work to help a patient maintain optimal health in order to prevent the onset of disease.
    In addition to treating the common cold and flu, internists also treat chronic diseases like diabetes and heart disease.

  • Gastroenterology

    A gastroenterologist is a specialist in diagnosis and treatment of conditions involving the digestive/gastrointestinal (GI) tract. These doctors are experts on how food moves through the digestive system and is chemically broken down, with nutrients being absorbed and waste excreted. You might see this kind of doctor if you are experiencing any number of stomach issues, some of which might be severe diarrhea, irritable bowel syndrome, hemorrhoids, ulcers, acid reflux, Crohn's disease and more.

  • Expertise

    10 Expertise

  • Colonoscopy
  • Hemorrhoids
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Ulcerative Colitis
  • Hepatitis C
  • Abdominal Pain
  • Celiac Disease
  • Constipation
  • Irritable Bowel Syndrome (IBS)
  • Acid Reflux Disease (GERD)

Reviews

Showing 5 of 12

Revoke his licende
Wait time
15.0 minutes
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Very kind & competent

Have only seen him once, but it was a very positive experience. He did not force drugs, but chose to "wait & see". Seems a very competent & caring physician. I didn't give 4 stars based on only one visit. Time will tell, but looks like it's headed for 4.

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Very genuine and caring

Had a colonoscopy with Dr. Rengstorff recently and the whole experience was seamless. From the scheduling staff to the nurses at the Endoscoy center. Everyone was professional and friendly and extremely competent. Dr. Rengstorff has a great bedside manner, is very knowledgeable, takes his time with you. He also follows-up, which is rare! I highly recommend Dr. Rengstorff to anyone.

Wait time
10.0 minutes
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Great Doctor!

I was very surprised to read the reviews below about Dr. Rengstorff. My niece had a horrible GI issue that had not been diagnosed, nor fixed until she came to see Dr. Rengstorff. He was referred to us by a friend. We didn't have to wait long at all, maybe five minutes and he spent ample time with us to help figure out the issue. He never once tried to push any drugs on us. I have received samples from doctors before and from my experience, it's because they are trying to find a medication to help relieve your symptoms. Some medications will work for some while they don't work for others. I'm also pretty sure that they can not bill for things that aren't done and if you would rather a doctor refrain from doing something during your procedure to keep the cost down then it's your own life at stake!! I know, my father had colon cancer! I would highly recommend this physician and the whole practice. The staff was very friendly to us and we had an excellent experience.

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5.0 minutes
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Sub-par

This guy is a mouthpiece for the pharms - pushing samples and extolling the virtues of medicines taken off the market, e.g. Zelnorm.He proved most uninterested in actually helping me find real solutions. I got the distinct sense he's a doctor for the money and time off.

Wait time
20.0 minutes
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  • Education

    20 Years Experience

  • Georgetown University School Of Medicine

    Graduated in 1998

  • Vanderbilt University Medical Center

    Residency

  • Accepted Insurance

    Dr. Daniel S Rengstorff accepts the following insurance providers.

  • Aetna
    • Aetna Choice POS II
    • Aetna HMO
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
  • BCBS Blue Card
    • BCBS Blue Card PPO
  • Blue Cross California
    • BC CA California Care Small Group HMO
    • Blue Cross CA PPO Prudent Buyer Small Group
    • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
    • Blue Cross CA California Care Large Group HMO
    • Blue Cross CA PPO Prudent Buyer Individual
    • Blue Cross CA PPO Prudent Buyer Large Group
    • Blue Cross CA Select HMO
    • Blue Cross CA Select PPO
    • Blue Cross CA Select Plus HMO
  • Blue Shield California
    • BS CA Platinum 90 PPO
    • Blue Shield CA Access Plus HMO
    • Blue Shield CA Access Plus Savenet
    • Blue Shield CA Bronze 60 PPO SHOP
    • Blue Shield CA Bronze Full PPO 4500
    • Blue Shield CA Local Access Plus HMO
    • Blue Shield CA PPO
    • Blue Shield CA Platinum Access+ HMO 25
    • Blue Shield CA Platinum Local Access + HMO 25
    • Blue Shield CA Silver 70 PPO
    • Blue Shield CA Trio ACO HMO
  • Cigna
    • CIGNA HMO
    • CIGNA LocalPlus
    • CIGNA Open Access Plus
    • CIGNA PPO
  • Health Net
    • Health Net CA HMO Employer Group
    • Health Net CA HMO Whole Care Network
    • Health Net EPO - PureCare One Small Business
    • Health Net SmartCare Large Group
  • Humana
    • Humana Choice POS
  • UHC West
    • UHC SignatureValue Focus
    • UHC West SignatureValue HMO
  • United Healthcare
    • UHC Choice Plus POS
    • UHC Navigate HMO
    • UHC Navigate POS
    • UHC Options PPO
  • View by Location

Locations & Directions

Peninsula Gi Medical Group, 2900 Whipple Ave Ste 245, Redwood City, CA

Video

Take a minute to learn about Dr. Daniel S Rengstorff in this video.

  • Nearby Doctors

    Dr. Daniel S Rengstorff is similar to the following 3 Doctors near Redwood City, CA.