Daniel S. Rengstorff
Experienced in Enlarged Liver

Dr. Daniel S. Rengstorff

Gastroenterology
CommonSpirit Health
Peninsula Gastroenterology Medical Group,Inc.
2900 Whipple Ave, Ste 245, 
Redwood City, CA 
Accepting New Patients
Offers Telehealth

Experienced in Enlarged Liver
CommonSpirit Health
Peninsula Gastroenterology Medical Group,Inc.
2900 Whipple Ave, Ste 245, 
Redwood City, CA 
OverviewInsuranceLocationsSimilar Doctors

Overview

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 office. Our entire team here at Peninsula Gastroenterology Medical Group does our best to ensure your visit will be pleasant and stress free! I look forward to meeting with you.

Dr. Rengstorff is rated as an Experienced provider by MediFind in the treatment of Enlarged Liver. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Indigestion, Endoscopy, and Gastrectomy.

Graduate Institution
Georgetown U. School Of Medicine
Specialties
Gastroenterology
Licenses
Internal Medicine in CA
Board Certifications
Internal Medicine
Internal Medicine (Sub: Gastroenterology)
Fellowships
California Pacific Med Ctr
Hospital Affiliations
El Camino Hospital
Sequoia Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Alignment Health Plan
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

Highmark
  • EPO
  • HMO
  • PPO
HMSA
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MVP Health
  • EPO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 16 Less Insurance Carriers -

Locations

Peninsula Gastroenterology Medical Group,Inc.
2900 Whipple Ave, Ste 245, Redwood City, CA 94062
Call: 650-365-3700

Additional Areas of Focus

Dr. Rengstorff has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)
Similar Doctors
Distinguished in Enlarged Liver
Dr. Francis Yao
Gastroenterology
Distinguished in Enlarged Liver
Dr. Francis Yao
Gastroenterology

Regents Of The University Of California

400 Parnassus Ave, 750a, 
San Francisco, CA 
 (0.1 miles away)
415-476-4029
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Francis Yao is a Gastroenterologist in San Francisco, California. Dr. Yao is rated as a Distinguished provider by MediFind in the treatment of Enlarged Liver. His top areas of expertise are Liver Cancer, Liver Failure, Hepatitis, Liver Transplant, and Endoscopy.

Distinguished in Enlarged Liver
Dr. Ali Khademi
Gastroenterology
Distinguished in Enlarged Liver
Dr. Ali Khademi
Gastroenterology
4145 Clares St, Suite A, 
Capitola, CA 
 (60.6 miles away)
831-662-9999
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Ali Khademi is a Gastroenterologist in Capitola, California. Dr. Khademi is rated as a Distinguished provider by MediFind in the treatment of Enlarged Liver. His top areas of expertise are Alcoholic Cirrhosis, Visceromegaly, Enlarged Liver, Gastrectomy, and Endoscopy.

Distinguished in Enlarged Liver
Dr. Jennifer Lai
Gastroenterology
Distinguished in Enlarged Liver
Dr. Jennifer Lai
Gastroenterology

Regents Of The University Of California

400 Parnassus Ave, 
San Francisco, CA 
 (0.1 miles away)
415-476-4029
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Jennifer Lai is a Gastroenterologist in San Francisco, California. Dr. Lai is rated as a Distinguished provider by MediFind in the treatment of Enlarged Liver. Her top areas of expertise are Banti's Syndrome, Hepatitis, Visceromegaly, Portal Hypertension, and Endoscopy.

VIEW MORE ENLARGED LIVER DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Rengstorff's expertise for a condition
ConditionClose
      • Advanced
      • Diarrhea
        Dr. Rengstorff is
        Advanced
        . Learn about Diarrhea.
        See more Diarrhea experts
      • Trichohepatoenteric Syndrome
        Dr. Rengstorff is
        Advanced
        . Learn about Trichohepatoenteric Syndrome.
        See more Trichohepatoenteric Syndrome experts
      • Experienced
      • Achalasia
        Dr. Rengstorff is
        Experienced
        . Learn about Achalasia.
        See more Achalasia experts
      • Alcoholic Cirrhosis
        Dr. Rengstorff is
        Experienced
        . Learn about Alcoholic Cirrhosis.
        See more Alcoholic Cirrhosis experts
      • Attenuated Familial Adenomatous Polyposis
        Dr. Rengstorff is
        Experienced
        . Learn about Attenuated Familial Adenomatous Polyposis.
        See more Attenuated Familial Adenomatous Polyposis experts
      • Bacterial Gastroenteritis
        Dr. Rengstorff is
        Experienced
        . Learn about Bacterial Gastroenteritis.
        See more Bacterial Gastroenteritis experts
      • Banti's Syndrome
        Dr. Rengstorff is
        Experienced
        . Learn about Banti's Syndrome.
        See more Banti's Syndrome experts
      • Bile Acid Malabsorption
        Dr. Rengstorff is
        Experienced
        . Learn about Bile Acid Malabsorption.
        See more Bile Acid Malabsorption experts
      View All 49 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Patient Details

        This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.