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Dr. Gregg Wendorf, MD

San Antonio, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Wendorf, Gastroenterologist in San Antonio, TX?

    Dr. Gregg Wendorf, MD is a Gastroenterologist, who primarily practices in San Antonio, TX with 2 additional practice locations. Dr. Wendorf is fluent in English, and is currently seeing new patients. Dr. Wendorf’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wendorf’s office at (210) 614-0952.

    What languages does Dr. Wendorf speak?

    Dr. Wendorf and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Wendorf treat?

    As a Gastroenterologist, Dr. Wendorf 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. Wendorf. 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:

    • Gastroparesis
    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Delayed Gastric Emptying
    • Stomach Paralysis
    • Gastric Motility Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3184: Gastroparesis
    • K3189: Other diseases of stomach and duodenum

    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:

    • Implanted Device Management
    • Implant adjustment
    • Device follow-up
    • Managing medical implants

    ICD-10 Codes:

    • Z4589: Encounter for adjustment and management of other implanted devices

    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:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    What procedures does Dr. Wendorf perform?

    As a Gastroenterologist, Dr. Wendorf 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. Wendorf. 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:

    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy with Tissue Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible colonoscopy with EMR
    • Endoscopic mucosal resection (colon)
    • Colon polyp removal during colonoscopy

    CPT Codes:

    • 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)
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45390: Colonoscopy, flexible; with endoscopic mucosal resection

    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:

    • Diagnostic Upper Endoscopy with Biopsy
    • Esophagus Widening Procedure (Endoscopic)
    • Upper Endoscopy with Injections
    • EGD with Esophageal Balloon Dilation
    • Upper Endoscopy with Tube Placement
    • Flexible Sigmoidoscopy with Biopsy
    • Colonoscopy with Injections
    • Colorectal Cancer Screening Tests
    • Colonoscopy
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening
    • EGD with Submucosal Injections
    • Esophagogastroduodenoscopy with Injections
    • Stomach Scope with Medication
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • EGD with Catheter Insertion
    • Esophagogastroduodenoscopy with Tube
    • Flexible Endoscopy for Tube Placement
    • Sigmoid Colon Scope with Biopsy
    • Lower Endoscopy with Tissue Sample
    • Flexible Sigmoidoscopy and Biopsy
    • Rectum and Lower Colon Exam
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
    • 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 43241: Esophagogastroduodenoscopy, flexible, transoral; with insertion of intraluminal tube or catheter
    • 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • Upper Endoscopy with Stomach/Duodenum Dilation
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision
    • EGD with Dilation
    • Esophageal Dilation
    • Stomach Stricture Widening
    • Duodenal Stricture Repair

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)

    Also known as:

    • Flexible Sigmoidoscopy
    • Colorectal Cancer Screening Tests
    • Sigmoidoscopy
    • Lower colon exam
    • Flexible colon scope
    • Rectum and lower colon check

    CPT Codes:

    • 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Feeding Tube Placement with Endoscopy
    • PEG Tube Placement
    • Gastrostomy Tube Insertion
    • EGD with Feeding Tube
    • Percutaneous Endoscopic Gastrostomy

    CPT Codes:

    • 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube

    Also known as:

    • Feeding Tube Conversion (Stomach to Small Intestine)
    • Gastrostomy to Jejunostomy Tube Conversion
    • Jejunostomy Tube Placement
    • Small Bowel Endoscopy with Tube Change

    CPT Codes:

    • 44373: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with conversion of percutaneous gastrostomy tube to percutaneous jejunostomy tube

    Also known as:

    • Stopping Bleeding in Esophagus, Stomach, or Duodenum
    • EGD with Bleeding Control
    • Upper GI Endoscopy for Bleeding
    • Gastric Bleeding Treatment

    CPT Codes:

    • 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method

    Also known as:

    • Upper Endoscopy for Foreign Body Removal
    • EGD for Foreign Body
    • Gastroscopy for Object Removal
    • Esophagogastroduodenoscopy for Foreign Body

    CPT Codes:

    • 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)

    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 Motility Study
    • Esophageal manometry
    • Swallowing function test
    • GERD test
    • Esophageal pressure study

    CPT Codes:

    • 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. Wendorf accept my insurance?

    Dr. Wendorf accepts most major insurance plans. Important: Please call our office at (210) 614-0952 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Wendorf accept in San Antonio, TX?

    Dr. Wendorf in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Department of Veterans Affairs

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Wendorf's office located?

    Dr. Gregg Wendorf's Primary Practice

    5223 Hamilton Wolfe Rd

    San Antonio, TX 78229

    (210) 614-0952

    Get Directions

    Dr. Gregg Wendorf's Practice 2

    1200 E Savannah Ave Ste 10

    McAllen, TX 78503

    (956) 362-2699

    Get Directions

    Dr. Gregg Wendorf's Practice 3

    855 Proton Rd

    San Antonio, TX 78258

    Get Directions

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

    Dr. Wendorf's National Provider Identifier (NPI) number is 1952747248.

    What common questions do patients ask about Dr. Wendorf?

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

    What is Dr. Gregg Wendorf's specialty?

    Dr. Wendorf is a Gastroenterologist near San Antonio, TX. 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. Wendorf to book an appointment today.

    Is this Dr. Gregg Wendorf affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Wendorf is affiliated with Methodist Hospital Specialty and Transplant, Methodist Hospital - San Antonio, Baptist Medical Center - San Antonio, Shannon Medical Center, CHRISTUS Spohn Hospital Corpus Christi - Shoreline, DHR Health 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 Gregg Wendorf accepting new patients in San Antonio, TX?

    Yes, Dr. Gregg Wendorf is accepting new patients at this time.

    Does Dr. Gregg Wendorf offer online booking?

    Please contact Dr. Wendorf's office at (210) 614-0952 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gregg Wendorf?

    Please contact Dr. Wendorf's office at (210) 614-0952 for information regarding telehealth appointment availability or for scheduling assistance.

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