DS
41 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Shields, Gastroenterologist in San Mateo, CA?
Dr. David Shields, MD is a Gastroenterologist, who primarily practices in San Mateo, CA with 2 additional practice locations. He has been practicing for over 41 years and is board certified by the American Board of Internal Medicine. Dr. Shields graduated from University of California and completed his residency at Stanford U Hosp. Dr. Shields is fluent in English and Spanish, and is currently seeing new patients. Dr. Shields’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shields’s office at (650) 324-1020.
Where did Dr. Shields go to medical school and complete their residency?
Residency: Stanford U Hosp
Medical School: University of California
Is Dr. Shields board certified in Gastroenterologist?
Yes, Dr. David Shields, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Shields speak?
Dr. Shields and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Shields treat?
As a Gastroenterologist, Dr. Shields 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. Shields. 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:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Benign Sigmoid Colon Polyp
- Benign Transverse Colon Polyp
- Benign Cecum Polyp
- Benign Ascending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
ICD-10 Codes:
- D125: Benign neoplasm of sigmoid colon
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
- D122: Benign neoplasm of ascending colon
Also known as:
- Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K648: Other hemorrhoids
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:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Cirrhosis
- Liver scarring
- End-stage liver disease
- Chronic liver failure
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Which procedures does Dr. Shields perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. David Shields 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. Shields' office.
Does Dr. Shields accept my insurance?
Dr. Shields accepts most major insurance plans. Important: Please call our office at (650) 324-1020 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Shields accept in San Mateo, CA?
Dr. Shields in San Mateo, 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
Elevance Health Inc. (formerly Anthem)
Health Plan of San Mateo
Medicare
View All Insurances
Where is Dr. Shields' office located?
What is Dr. Shields's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Shields's National Provider Identifier (NPI) number is 1578671608.
What common questions do patients ask about Dr. Shields?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Shields
What is Dr. David Shields's specialty?
Dr. Shields is a Gastroenterologist near San Mateo, 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. Shields to book an appointment today.
Is this Dr. David Shields affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Shields is affiliated with San Mateo Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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 David Shields accepting new patients in San Mateo, CA?
Yes, Dr. David Shields is accepting new patients at this time.
Does Dr. David Shields offer online booking?
Please contact Dr. Shields's office at (650) 324-1020 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with David Shields?
Please contact Dr. Shields's office at (650) 324-1020 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. David Shields have?
Dr. David Shields is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near San Mateo, CA
SR
Gastroenterologist
Accepting patientsDr. Stanley Rockman, MD is a Gastroenterologist, who primarily practices in San Mateo, CA. He has been practicing for over 54 years and is board certified by the American Board of Internal Medicine.
San Mateo, CA
VP
Gastroenterologist
Accepting patientsDr. Vijay Pottathil, MD is a Gastroenterologist, who primarily practices in Belmont, CA with 1 additional practice location. He is board certified by the American Board of Internal Medicine.
Belmont, CA
RW
Gastroenterologist
Accepting patientsDr. Robert Wilkes, MD is a Gastroenterologist, who primarily practices in San Mateo, CA. He is board certified by the American Board of Internal Medicine.
San Mateo, CA