DR
21 Years of Experience
Accepting patients
Online booking
Telehealth
Who is Dr. Rengstorff, Gastroenterologist in San Francisco, CA?
Dr. Daniel Rengstorff, MD is a Gastroenterologist, who primarily practices in San Francisco, CA with 1 additional practice location. He has been practicing for over 21 years and is board certified. Dr. Rengstorff is fluent in English and Korean, and is currently seeing new patients. Dr. Rengstorff’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Rengstorff’s office at (650) 365-3700.
What languages does Dr. Rengstorff speak?
Dr. Rengstorff and their clinical team can communicate with patients in the following languages:
English
Korean
What conditions does Dr. Rengstorff treat?
As a Gastroenterologist, Dr. Rengstorff diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Rengstorff. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860100: Personal history of colon polyps, unspecified
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K648: Other hemorrhoids
Also known as:
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
ICD-10 Codes:
- R1319: Other dysphagia
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Esophagus Inflammation
- Esophagus Disorder
- Esophagitis
- Inflamed Esophagus
- Sore Esophagus
ICD-10 Codes:
- K2080: Other esophagitis without bleeding
Also known as:
- Iron Deficiency Anemia from Chronic Blood Loss
- Anemia
- Iron
- Anemia due to iron deficiency and blood loss
- Chronic blood loss anemia
- Low iron anemia from bleeding
ICD-10 Codes:
- D500: Iron deficiency anemia secondary to blood loss (chronic)
Also known as:
- Nausea
- Nausea and Vomiting
- Feeling Sick to Stomach
- Queasiness
- Upset Stomach
ICD-10 Codes:
- R110: Nausea
Also known as:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
Also known as:
- Indigestion
- Gas in the Digestive Tract
- Indigestion (Dyspepsia)
- Dyspepsia
- Upset Stomach
- Stomach Discomfort
ICD-10 Codes:
- K30: Functional dyspepsia
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
Which procedures does Dr. Rengstorff perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Daniel Rengstorff may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Rengstorff's office.
Does Dr. Rengstorff accept my insurance?
Dr. Rengstorff accepts most major insurance plans. Important: Please call our office at (650) 365-3700 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Rengstorff accept in San Francisco, CA?
Dr. Rengstorff in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Hill Physicians Medical Group
Medicare
Other Provider Networks
UnitedHealthcare
View All Insurances
Where is Dr. Rengstorff's office located?
Dr. Daniel Rengstorff also offers virtual visits
Dr. Daniel Rengstorff's Primary Practice
505 Parnassus Ave
San Francisco, CA 94143
(650) 365-3700
Would you like to schedule an appointment with Dr. Daniel Rengstorff?
Dr. Rengstorff has appointments available at his San Francisco, CA office, as well as 1 other location. Please select a location, date, and time below.
What is Dr. Rengstorff's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Rengstorff's National Provider Identifier (NPI) number is 1033295662.
What common questions do patients ask about Dr. Rengstorff?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Rengstorff
What is Dr. Daniel Rengstorff's specialty?
Dr. Rengstorff is a Gastroenterologist near San Francisco, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Rengstorff to book an appointment today.
Is this Dr. Daniel Rengstorff affiliated with a ranked Castle Connolly Top Hospital?
No, Rengstorff is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Daniel Rengstorff accepting new patients in San Francisco, CA?
Yes, Dr. Daniel Rengstorff is accepting new patients at this time.
Does Dr. Daniel Rengstorff offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Rengstorff, or call (650) 365-3700 for more information.
How can I make an appointment with Daniel Rengstorff?
Yes, Dr. Rengstorff offers telehealth appointments. You can use online booking to schedule a telehealth appointment with Dr. Rengstorff, or call (650) 365-3700 for more information.
Other Gastroenterologist Near San Francisco, CA
SC
Pediatric Gastroenterologist
Accepting patientsDr. Shelly Choudhury, MD is a Pediatric Gastroenterologist, who primarily practices in San Francisco, CA with 2 additional practice locations. She is board certified.
San Francisco, CA
AC
Pediatric Gastroenterologist
Accepting patientsDr. Addison Cuneo, MD is a Pediatric Gastroenterologist, who primarily practices in San Francisco, CA with 2 additional practice locations. She is board certified.
San Francisco, CA
ML
Gastroenterologist
Accepting patientsDr. Michael Li is a Gastroenterologist, who primarily practices in San Francisco, CA with 2 additional practice locations. He is board certified.
San Francisco, CA