
39 Years of Experience
Accepting patients
Who is Dr. Hallgren, Gastroenterologist in Littleton, CO?
Dr. Scott Hallgren, DO is a Gastroenterologist, who primarily practices in Littleton, CO with 2 additional practice locations. He has been practicing for over 39 years and is board certified. Dr. Hallgren graduated from Des Moines University College of Osteopathic Medicine and Health Sciences and completed his residency at Wm Beaumont Army Med Ctr, Gastroenterology; Fitzsimons Army Med Ctr, Internal Medicine. Dr. Hallgren is fluent in English and Spanish, and is currently seeing new patients. Dr. Hallgren’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hallgren’s office at (303) 269-2085.
What are Areas of Expertise for Dr. Hallgren?
Dr. Scott Hallgren, DO 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. Hallgren empowers patients to confidently navigate their health journey, specializing in Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome, Liver & Biliary Disease, and comprehensive wellness support. Serving the Littleton, CO community, Dr. Hallgren is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Hallgren go to medical school and complete their residency?
Residency: Wm Beaumont Army Med Ctr, Gastroenterology; Fitzsimons Army Med Ctr, Internal Medicine | Fitzsimons Army Medical Center | William Beaumont Army Medical Center
Medical School: Des Moines University College of Osteopathic Medicine and Health Sciences | Des Moines University College of Osteopathic Medicine and Health Sciences
Is Dr. Hallgren board certified as a Gastroenterologist?
Yes, Dr. Scott Hallgren, DO is board certified by the American Board of Internal Medicine
What languages does Dr. Hallgren speak?
Dr. Hallgren and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gastroenterologist like Dr. Hallgren typically treat?
As a Gastroenterologist, Dr. Hallgren 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. Hallgren. 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
What procedures does a Gastroenterologist like Dr. Hallgren typically perform?
As a Gastroenterologist, Dr. Hallgren 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. Hallgren. 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
Does Dr. Hallgren accept my insurance?
Dr. Hallgren accepts most major insurance plans. Important: Please call our office at (303) 269-2085 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hallgren accept in Littleton, CO?
Dr. Hallgren in Littleton, CO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
Allied Benefit Systems
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Blue Cross Blue Shield of Michigan
Cigna Group
CMS
Elevance Health Inc. (formerly Anthem)
Medicare
Unknown
View All Insurances
Where is Dr. Hallgren's office located?
What is Dr. Hallgren's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hallgren's National Provider Identifier (NPI) number is 1205929841.
What common questions do patients ask about Dr. Hallgren?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hallgren
What is Dr. Scott Hallgren's specialty?
Dr. Hallgren is a Gastroenterologist near Littleton, CO.
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. Scott Hallgren affiliated with a ranked Castle Connolly Top Hospital?
No, Hallgren is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: AdventHealth Avista. Castle Connolly Top Hospitals 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 Scott Hallgren accepting new patients in Littleton, CO?
Yes, Dr. Scott Hallgren is accepting new patients at this time.
Does Dr. Scott Hallgren offer online booking?
Please contact Dr. Hallgren's office at (303) 269-2085 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Scott Hallgren?
Please contact Dr. Hallgren's office at (303) 269-2085 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Scott Hallgren have?
Dr. Scott Hallgren is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near Littleton, CO
AG
Gastroenterologist
Dr. Ariana Greenwood, MD is a Gastroenterologist, who primarily practices in Louisville, CO with 2 additional practice locations.
Louisville, CO
JB
Gastroenterologist
Dr. Jennifer Brenner, MD is a Gastroenterologist, who primarily practices in Denver, CO with 2 additional practice locations. She is board certified.
Denver, CO

Gastroenterologist
Dr. Thomas Welton, MD is a Gastroenterologist, who primarily practices in Castle Rock, CO with 2 additional practice locations. He has been practicing for over 31 years and is board certified.
Castle Rock, CO