RM
Accepting patients
Who is Dr. Mcwilliams, Gastroenterologist in Parker, CO?
Dr. Ryan Mcwilliams, MD is a Gastroenterologist, who primarily practices in Parker, CO with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Mcwilliams is fluent in English, and is currently seeing new patients. Dr. Mcwilliams’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mcwilliams’s office at (970) 378-4475.
Is Dr. Mcwilliams board certified in Gastroenterologist?
Yes, Dr. Ryan Mcwilliams, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Mcwilliams speak?
Dr. Mcwilliams and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Mcwilliams treat?
As a Gastroenterologist, Dr. Mcwilliams 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. Mcwilliams. 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:
- 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:
- Other Esophagus Condition
- Esophagus Disorder
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2289: Other specified disease of esophagus
Also known as:
- Other Intestinal Condition
- Colonic Disease
- Small Intestine Disorder
- Bowel Conditions
- Gut Problems
- Digestive Issues
ICD-10 Codes:
- K6389: Other specified diseases of intestine
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
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
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Non-Infectious Gastroenteritis and Colitis
- Digestive Disease
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
What procedures does Dr. Mcwilliams perform?
As a Gastroenterologist, Dr. Mcwilliams 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. Mcwilliams. 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
- 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:
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Mcwilliams accept my insurance?
Dr. Mcwilliams accepts most major insurance plans. Important: Please call our office at (970) 378-4475 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mcwilliams accept in Parker, CO?
Dr. Mcwilliams in Parker, CO 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
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicare
State of Colorado
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Mcwilliams' office located?
Dr. Ryan Mcwilliams' Primary Practice
9403 Crown Crest Blvd Ste 420
Parker, CO 80138
(970) 378-4475
What is Dr. Mcwilliams's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mcwilliams's National Provider Identifier (NPI) number is 1326214727.
What common questions do patients ask about Dr. Mcwilliams?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mcwilliams
What is Dr. Ryan Mcwilliams's specialty?
Dr. Mcwilliams is a Gastroenterologist near Parker, CO. 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. Mcwilliams to book an appointment today.
Is this Dr. Ryan Mcwilliams affiliated with a ranked Castle Connolly Top Hospital?
No, Mcwilliams is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Adventhealth Parker, Adventhealth Castle Rock, Adventhealth Porter. 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
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 Ryan Mcwilliams accepting new patients in Parker, CO?
Yes, Dr. Ryan Mcwilliams is accepting new patients at this time.
Does Dr. Ryan Mcwilliams offer online booking?
Please contact Dr. Mcwilliams's office at (970) 378-4475 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ryan Mcwilliams?
Please contact Dr. Mcwilliams's office at (970) 378-4475 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Ryan Mcwilliams have?
Dr. Ryan Mcwilliams is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near Parker, CO
AH
Gastroenterologist
Accepting patientsDr. Aliya Hasan, MD is a Gastroenterologist, who primarily practices in Parker, CO with 2 additional practice locations. She is board certified by the American Board of Internal Medicine.
Parker, CO
MH
Gastroenterologist
Accepting patientsDr. Mary Ann Huang, MD is a Gastroenterologist, who primarily practices in Parker, CO with 2 additional practice locations. She is board certified.
Parker, CO
CK
Gastroenterologist
Accepting patientsDr. Clark Kulig, MD is a Gastroenterologist, who primarily practices in Parker, CO with 2 additional practice locations. He is board certified.
Parker, CO