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Dr. Ann Marie Stephenson Thomas, DO
Rockville, MD
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Stephenson Thomas, Gastroenterologist in Rockville, MD?
Dr. Ann Marie Stephenson Thomas, DO is a Gastroenterologist, who primarily practices in Rockville, MD with 2 additional practice locations. Dr. Stephenson Thomas is fluent in English, and is currently seeing new patients. Dr. Stephenson Thomas’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Stephenson Thomas’s office.
What languages does Dr. Stephenson Thomas speak?
Dr. Stephenson Thomas and their clinical team can communicate with patients in the following languages:
English
What conditions does a Gastroenterologist like Dr. Stephenson Thomas typically treat?
As a Gastroenterologist, Dr. Stephenson Thomas 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. Stephenson Thomas. 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:
- 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
What procedures does a Gastroenterologist like Dr. Stephenson Thomas typically perform?
As a Gastroenterologist, Dr. Stephenson Thomas 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. Stephenson Thomas. 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 Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 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)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
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:
- Hemorrhoid Removal with Rubber Band Ligation
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
Also known as:
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
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. Stephenson Thomas accept my insurance?
Dr. Stephenson Thomas 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. Stephenson Thomas accept in Rockville, MD?
Dr. Stephenson Thomas in Rockville, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CareFirst BlueCross BlueShield
Cigna Group
Connective Rx
CVS Health (formerly Aetna)
Federal government of the United States
Medicare
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Stephenson Thomas' office located?
Dr. Ann Marie Stephenson Thomas' Primary Practice
14955 Shady Grove Rd Ste 150
Rockville, MD 20850
Dr. Ann Marie Stephenson Thomas' Practice 3
9420 Key West Ave Ste 202
Rockville, MD 20850
What is Dr. Stephenson Thomas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Stephenson Thomas's National Provider Identifier (NPI) number is 1376742601.
What common questions do patients ask about Dr. Stephenson Thomas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Stephenson Thomas
What is Dr. Ann Marie Stephenson Thomas's specialty?
Dr. Stephenson Thomas is a Gastroenterologist near Rockville, MD.
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. Ann Marie Stephenson Thomas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Stephenson Thomas is affiliated with Adventist Healthcare Shady Grove Medical Center, Medstar Montgomery Medical Center, Medstar Washington Hospital Center, Luminis Health Doctors Community Medical Center, Adventist Healthcare White Oak 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
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 Ann Marie Stephenson Thomas accepting new patients in Rockville, MD?
Yes, Dr. Ann Marie Stephenson Thomas is accepting new patients at this time.
Does Dr. Ann Marie Stephenson Thomas offer online booking?
Please contact Dr. Stephenson Thomas's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ann Marie Stephenson Thomas?
Please contact Dr. Stephenson Thomas's office for information regarding telehealth appointment availability or for scheduling assistance.
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