43 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Deschner, Gastroenterologist in San Marcos, TX?
Dr. William Deschner, MD is a Gastroenterologist, who primarily practices in San Marcos, TX. He has been practicing for over 43 years and is board certified. Dr. Deschner graduated from Baylor College of Medicine and completed his residency at Georgetown Univ Hosp, Gastroenterology; Baylor Coll Of Med, Internal Medicine. Dr. Deschner is fluent in English and Spanish, and is currently seeing new patients. Dr. Deschner’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Deschner’s office.
What are Areas of Expertise for Dr. Deschner?
Dr. William Deschner, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Deschner empowers patients to confidently navigate their health journey, specializing in Colonoscopy, Endoscopy, Gastroesophageal Reflux Disease (GERD), and comprehensive wellness support. Serving the San Marcos, TX community, Dr. Deschner is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Deschner go to medical school and complete their residency?
Fellowship: Gastroenterology - (Medstar-Georgetown Med Ctr)
Residency: Georgetown Univ Hosp, Gastroenterology; Baylor Coll Of Med, Internal Medicine | Baylor College of Medicine Affiliated Hospitals | Baylor College of Medicine Program
Medical School: Baylor College of Medicine
Is Dr. Deschner board certified as a Gastroenterologist?
Yes, Dr. William Deschner, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Deschner speak?
Dr. Deschner and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gastroenterologist like Dr. Deschner typically treat?
As a Gastroenterologist, Dr. Deschner 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. Deschner. 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. Learn more about our claims-based healthcare methodology.
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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Benign Transverse Colon Polyp
- Benign Cecum Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
ICD-10 Codes:
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
What procedures does a Gastroenterologist like Dr. Deschner typically perform?
As a Gastroenterologist, Dr. Deschner 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. Deschner. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- Esophagus Widening Procedure (Endoscopic)
- Diagnostic Upper Endoscopy with Biopsy
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
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
Does Dr. Deschner accept my insurance?
Dr. Deschner accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Deschner accept in San Marcos, TX?
Dr. Deschner in San Marcos, 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
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Health Care Service Corporation
Humana
Medicare
Mutual of Omaha
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Deschner's office located?
Dr. William Deschner's Primary Practice
1305 Wonder World Dr Ste 200
San Marcos, TX 78666
What is Dr. Deschner's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Deschner's National Provider Identifier (NPI) number is 1023003563.
What common questions do patients ask about Dr. Deschner?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Deschner
What is Dr. William Deschner's specialty?
Dr. Deschner is a Gastroenterologist near San Marcos, TX.
What does a Gastroenterologist do?
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.
Is this Dr. William Deschner affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Deschner is affiliated with Resolute Baptist Hospital 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 William Deschner accepting new patients in San Marcos, TX?
Yes, Dr. William Deschner is accepting new patients at this time.
Does Dr. William Deschner offer online booking?
Please contact Dr. Deschner's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Deschner?
Please contact Dr. Deschner's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Deschner have?
Dr. William Deschner is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near San Marcos, TX
Gastroenterologist
Accepting patientsDr. Shannon Marek, MD is a Gastroenterologist, who primarily practices in San Marcos, TX. He is board certified.
San Marcos, TX
AB
Gastroenterologist
Accepting patientsDr. Anita Bhagavathula, DO is a Gastroenterologist, who primarily practices in Austin, TX with 1 additional practice location.
Austin, TX
CN
Gastroenterologist
Accepting patientsDr. Carlos Neghme, MD is a Gastroenterologist, who primarily practices in San Marcos, TX with 1 additional practice location. He has been practicing for over 28 years.
San Marcos, TX
Connect with DR. Deschner
1305 Wonder World Dr Ste 200
San Marcos, TX 78666