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Dr. Nielsen Fernandez-Becker, MD, PHD

Redwood City, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fernandez-Becker, Gastroenterologist in Redwood City, CA?

    Dr. Nielsen Fernandez-Becker, MD, PHD is a Gastroenterologist, who primarily practices in Redwood City, CA with 2 additional practice locations. She is board certified. Dr. Fernandez-Becker graduated from Albert Einstein College of Medicine of Yeshiva University. Dr. Fernandez-Becker is fluent in English and Spanish, and is currently seeing new patients. Dr. Fernandez-Becker’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fernandez-Becker’s office at (650) 723-3554.

    Where did Dr. Fernandez-Becker go to medical school and complete their residency?

    • Medical School: Albert Einstein College of Medicine of Yeshiva University

    Is Dr. Fernandez-Becker board certified as a Gastroenterologist?

    Yes, Dr. Nielsen Fernandez-Becker, MD, PHD is board certified by the American Board of Internal Medicine

    What languages does Dr. Fernandez-Becker speak?

    Dr. Fernandez-Becker and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Fernandez-Becker treat?

    As a Gastroenterologist, Dr. Fernandez-Becker 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. Fernandez-Becker. 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:

    • Celiac Disease
    • Gluten-Sensitive Enteropathy
    • Sprue
    • Coeliac Disease
    • Gluten Intolerance

    ICD-10 Codes:

    • K900: Celiac disease

    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:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    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:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Other Esophagus Condition
    • Esophagus Disorder
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2289: Other specified disease of esophagus

    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

    What procedures does Dr. Fernandez-Becker perform?

    As a Gastroenterologist, Dr. Fernandez-Becker performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Fernandez-Becker. 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:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • EGD with Esophageal Balloon Dilation
    • Colonoscopy with Injections
    • Diagnostic Upper Endoscopy with Biopsy
    • Flexible Sigmoidoscopy with Biopsy
    • Upper Endoscopy with Injections
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Sigmoid Colon Scope with Biopsy
    • Lower Endoscopy with Tissue Sample
    • Flexible Sigmoidoscopy and Biopsy
    • Rectum and Lower Colon Exam
    • EGD with Submucosal Injections
    • Esophagogastroduodenoscopy with Injections
    • Stomach Scope with Medication

    CPT Codes:

    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
    • 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance

    Also known as:

    • Capsule Endoscopy
    • Pill Camera
    • Wireless Capsule Endoscopy
    • Small Bowel Capsule Endoscopy
    • Intestinal Imaging Pill

    CPT Codes:

    • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

    Also known as:

    • Esophageal Balloon Distension Study
    • Esophageal Motility Study
    • Esophageal distension test
    • Balloon provocation test
    • Esophageal pain study
    • Esophageal manometry
    • Swallowing function test
    • GERD test
    • Esophageal pressure study

    CPT Codes:

    • 91040: Esophageal balloon distension study, diagnostic, with provocation when performed
    • 91010: Esophageal motility (manometric study of the esophagus and/or gastroesophageal junction) study with interpretation and report;

    Also known as:

    • Wireless Esophageal pH Test
    • Esophageal pH Test
    • Bravo pH Test
    • Esophageal Reflux Monitoring
    • Acid Reflux Test

    CPT Codes:

    • 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation

    Also known as:

    • Esophageal pH and Impedance Test
    • Esophageal pH Test
    • GERD Test
    • Acid Reflux Test
    • Esophageal Impedance Monitoring
    • 24-Hour pH Study

    CPT Codes:

    • 91037: Esophageal function test, gastroesophageal reflux test with nasal catheter intraluminal impedance electrode(s) placement, recording, analysis and interpretation;

    Does Dr. Fernandez-Becker accept my insurance?

    Dr. Fernandez-Becker accepts most major insurance plans. Important: Please call our office at (650) 723-3554 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fernandez-Becker accept in Redwood City, CA?

    Dr. Fernandez-Becker in Redwood City, 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

    • Central California Alliance for Health

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Medicaid

    • Medicare

    • Santa Clara Family Health Plan

    • State of Tennessee

    • UnitedHealthcare

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    Where is Dr. Fernandez-Becker's office located?

    Dr. Nielsen Fernandez-Becker's Primary Practice

    450 Broadway St

    Redwood City, CA 94063

    (650) 723-3554

    Get Directions

    Dr. Nielsen Fernandez-Becker's Practice 2

    900 Blake Wilbur Dr

    Palo Alto, CA 94304

    Get Directions

    Dr. Nielsen Fernandez-Becker's Practice 3

    300 Pasteur Dr

    Stanford, CA 94305

    Get Directions

    What is Dr. Fernandez-Becker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Fernandez-Becker's National Provider Identifier (NPI) number is 1972678639.

    What common questions do patients ask about Dr. Fernandez-Becker?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Fernandez-Becker

    What is Dr. Nielsen Fernandez-Becker's specialty?

    Dr. Fernandez-Becker is a Gastroenterologist near Redwood City, 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. Fernandez-Becker to book an appointment today.

    Is this Dr. Nielsen Fernandez-Becker affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fernandez-Becker is affiliated with Stanford Health Care - Stanford Hospital, Stanford Health Care - ValleyCare, Mills-Peninsula Medical Center, Renown Regional Medical Center which are a Castle Connolly Top Hospitals. 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 Nielsen Fernandez-Becker accepting new patients in Redwood City, CA?

    Yes, Dr. Nielsen Fernandez-Becker is accepting new patients at this time.

    Does Dr. Nielsen Fernandez-Becker offer online booking?

    Please contact Dr. Fernandez-Becker's office at (650) 723-3554 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Nielsen Fernandez-Becker?

    Please contact Dr. Fernandez-Becker's office at (650) 723-3554 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Nielsen Fernandez-Becker have?

    Dr. Nielsen Fernandez-Becker is certified by the American Board of Internal Medicine.

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