Contact Us
Address
520 E Euclid Ave
San Antonio, TX 78212
Phone
210-775-2265Hours
Closed. Opens Thur at 8 AMQuick Facts
- Virtual Telemedicine Visits Available, Call For Details
- Board Certified Gastroenterologist
- Currently Accepting New Patients
- Most Insurance Plans Accepted
- Performs Colonoscopies
Locations
SAGA - San Antonio, TX - Downtown
Gastroenterology in San Antonio, TX
SAGA - San Antonio, TX - Downtown
520 E Euclid Ave
Closed. Opens Thur at 8 AM
SAGA - San Antonio, TX - Medical Center
Gastroenterology in San Antonio, TX
SAGA - San Antonio, TX - Medical Center
2833 Babcock Rd
Ste 100
Closed. Opens Thur at 8 AM
Request an Appointment
About John J. Alvarez, M.D.
About
He began his journey into medicine while pursuing his undergraduate degree. He had the opportunity to shadow internists at Thomason Hospital in El Paso, TX, and he was amazed by their ability to diagnose and treat complex diseases. After that experience, he felt there was no other career path that would be more satisfying than that of a physician. He chose gastroenterology because it requires a strong background in Internal Medicine as well as a surgical understanding of the human body.
Dr. Alvarez graduated from Trinity University with a Bachelor of Science degree in Business Administration, followed by a Master’s degree in Public Health from the UT Houston School of Public Health. He next attended medical school at the UT Health Science Center at San Antonio School of Medicine, where he also completed his internship and residency in Internal Medicine.
Dr. Alvarez received specialty training at Baylor Scott & White, and he worked with an innovator and specialist in the field of endoscopic ultrasound and endoscopic retrograde cholangiopancreatography (ERCP). That training has helped him to establish himself as a gastroenterologist in San Antonio.
Although all aspects of gastrointestinal disease fascinate Dr. Alvarez, he is especially interested in pancreatic and biliary diseases. Because of his specialized training, Dr. Alvarez has the advantage of diagnosing and treating a wide range of pancreatic and biliary diseases. Endoscopic ultrasound is a great tool that allows him to view, evaluate, and biopsy organs and benign or malignant tumors, both within and outside of the gastrointestinal tract. The use of endoscopic ultrasound in combination with ERCP has decreased the need for ERCP as a diagnostic tool over time, thus minimizing the associated risk of performing this particular procedure.
When he’s not working, Dr. Alvarez enjoys many different types of exercise, including weight lifting, golf, basketball, tennis, snowboarding, and riding his mountain bike. He also likes to listen to live music.
Education
Bachelor of Science in Business Administration, Trinity University, San Antonio, TX
Master of Public Health, University of Texas Houston School of Public Health, Houston, TX
Doctor of Medicine, University of Texas Health Science Center at San Antonio School of Medicine San Antonio, TX
Internship, Residency in Internal Medicine, University of Texas Health Science Center, San Antonio, Texas
Fellowship, Gastroenterology Baylor Scott and White Health Central Texas, Killeen, TX
Memberships/Affiliations
Officer and member, Gastrointestinal Interest Group (2011-2012)
Vice President, Latino Medical Student Association(2009)
Member, American Medical Association
Member, American College of Gastroenterology
Member, American Society of Gastrointestinal Endoscopy
Topics
- Abdominal Pain
- Anal/Rectal Bleeding
- Bloating
- Blood in the Stool
- Bowel Incontinence
- Constipation
- Diarrhea
- Difficulty Swallowing
- Heartburn
- Indigestion
- Nausea
- Unexplained Weight Gain/Loss
- Vomiting
- Yellowing of the Skin/Eyes
- Acid Reflux
- Anal Fissure
- Anemia/Iron Deficiency
- Barrett's Esophagus
- Biliary Obstruction
- C. Difficile Colitis
- Celiac Disease
- Colitis
- Colon Cancer
- Colorectal Polyps
- Crohn's Disease
- Cyclic Vomiting Syndrome (CVS)
- Diverticulitis
- Diverticulosis
- Dysphagia
- Eosinophilic Esophagitis
- Esophageal Motility Disorder
- Esophagitis
- Fatty Liver Disease
- Fistula
- Food Intolerance
- Gallbladder Disease
- Gastritis
- GERD
- Helicobacter Pylori
- Hemorrhoids
- Hepatitis
- Hiatal Hernia
- Ileitis
- Impacted Bowel
- Inflammatory Bowel Disease
- Irritable Bowel Syndrome
- Jaundice
- Lactose Intolerance
- Liver Cirrhosis
- Non-alcoholic Steatohepatitis
- Pancreatitis
- Peptic Ulcers
- Primary Biliary Cholangitis
- Primary Sclerosing Cholangitis
- Ulcerative Colitis
- Anorectal Manometry
- Argon Laser Therapy
- Capsule Endoscopy
- Colon Cancer Screening
- Colonoscopy
- EGD
- Endoscopic Mucosal Resection
- Enteroscopy
- Esophageal Dilation
- ERCP
- Esophageal Manometry
- Feeding Tube Insertion (PEG)
- FibroScan®
- Flexible Sigmoidoscopy
- Hemorrhoid Banding
- Infusion Therapy (IV Infusion)
- Sphincterotomy
Reviews
Always seen in a timely manner & Dr. Alvarez always has time and doesn’t rush through my appointment
Had a great visit with the doctor. Office staff very cordial and I didn’t have to wait long.
De Alavez is very patient and attentive to listening to the medical condition I’m going through, very professional along with his team , I recommended with 5 starts
Dr Alvarez is awesome. I’ve been his patient since 2019. He also had visited me at St Luke’s even prior to 2019. He’s observed all the progress I’ve made. He is really concerned regarding my GI health issues since I’ve had as (pediatric) a baby. He’s more than an awesome Gastro physician. I consider him a friend. 💙
Great and comfortable experience. No complaints.
81
Total Reviews
4.9
Average Rating