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Gastroenterologists
Coverage
Medicare (Case by Case) + 2 Networks
Telehealth
Not Available
About Dr. Robert B. Graveline
Background and practice information
Dr. Robert B. Graveline is a gastroenterologist with over 40 years of clinical experience serving patients in the Ames, IA area. He completed his medical training at Washington University School Of Medicine and has been in practice since 1986.
Dr. Robert B. Graveline's clinical practice focuses on treating patients with acid reflux and stomach ulcers.
Dr. Robert B. Graveline is in-network with 2 insurance providers, including Aetna, Medicare. Patients are encouraged to verify coverage with his office before scheduling an appointment.
At a Glance
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2 locations
1215 Duff Ave Po Box
Ames, IA 50010
Po Box
Ames, IA 50010
Treatment & Experience
Clinical practice and procedure experience for Dr. Robert B. Graveline
Services & Procedures
Dr. Robert B. Graveline's clinical practice encompasses office visits, hospital care, preventive care, and 4 other areas of care. Based on Medicare utilization data, Dr. Robert B. Graveline has provided a substantial volume of services, reflecting an active and established practice in gastroenterology.
Office Visits
109 servicesDr. Robert B. Graveline provides patient consultations ranging from routine follow-ups to comprehensive evaluations, with follow-up visit being a key part of his practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 55% below the billed amount.
Hospital Care
185 servicesDr. Robert B. Graveline manages inpatient hospital care including admissions, daily rounds, critical care, and discharge coordination, including daily hospital rounds and hospital admission. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 58% below the billed amount.
Preventive Care
116 servicesDr. Robert B. Graveline delivers preventive health services including wellness visits, vaccinations, and health screenings, including colorectal cancer screening; colonoscopy on individual at high risk and colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 85% below the billed amount.
Diagnostic Testing
79 servicesDr. Robert B. Graveline orders and interprets diagnostic tests to support clinical decision-making, including blood draw and complete blood count. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 73% below the billed amount.
Anesthesia
634 servicesDr. Robert B. Graveline provides anesthesia services for surgical and diagnostic procedures, with moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito being a key part of his practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 87% below the billed amount.
Surgical Procedures
416 servicesDr. Robert B. Graveline performs surgical procedures, including biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 85% below the billed amount.
Endoscopy
114 servicesDr. Robert B. Graveline performs endoscopic procedures for diagnosis and treatment, including diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope and insertion of guide wire with dilation of esophagus using a flexible endoscope. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 89% below the billed amount.
Treatment Approach
Dr. Robert B. Graveline's treatment approach includes prescribing Omeprazole, Sodium, Potassium,mag Sulfates (Sod Sulf-potass Sulf-mag Sulf), Sod Picosulf/mag Ox/citric Ac (Clenpiq) for his patients. These medications are commonly used for treating acid reflux and stomach ulcers. He prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within his specialty. Dr. Robert B. Graveline has treated a significant number of Medicare patients, demonstrating an established practice in this area.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Robert B. Graveline accepts 5 plans from 2 insurers, including Aetna, Medicare.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Patient Reviews
Reviews and ratings from patients
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About Gastroenterology
Specialty overview and common conditions
A gastroenterologist is a physician who specializes in diagnosing, treating, and preventing diseases of the gastrointestinal (GI) tract and liver. These medical experts have extensive training in managing conditions affecting the esophagus, stomach, small intestine, colon, rectum, pancreas, gallblad...
Common conditions treated by gastroenterology specialists:
- Gastroesophageal Reflux Disease (GERD)
- Irritable Bowel Syndrome (IBS)
- Crohn's Disease
- Ulcerative Colitis
Frequently Asked Questions
Common questions about Robert B. Graveline
Does Dr. Graveline accept Medicare?
Dr. Graveline may accept Medicare assignment on a case-by-case basis. This means Medicare coverage may apply for some services. Patients should contact the office directly to confirm Medicare acceptance for their specific visit.
What insurance does Dr. Graveline accept?
Dr. Graveline is in-network with 2 insurance providers, including Aetna, Medicare. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Graveline's office before scheduling.
Does Dr. Graveline offer telehealth or virtual appointments?
Dr. Graveline does not currently list telehealth services. For virtual care options, contact the office directly or consider other gastroenterology providers in Ames who offer telehealth.
What conditions does Dr. Graveline treat?
As a gastroenterology specialist, Dr. Graveline commonly treats conditions including gastroesophageal reflux disease (gerd), irritable bowel syndrome (ibs), crohn's disease, ulcerative colitis, colon polyps and colorectal cancer screening, and other related health concerns. Contact the office to discuss your specific healthcare needs.
What medications does Dr. Graveline commonly prescribe?
Based on Medicare prescribing data, Dr. Graveline commonly prescribes medications including Omeprazole, Sodium, Potassium,mag Sulfates, Sod Picosulf/Mag Ox/Citric Ac. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Graveline during their consultation.
Where did Dr. Graveline go to medical school?
Dr. Graveline completed medical training at Washington University School Of Medicine and has been practicing since 1986, bringing over 40 years of clinical experience.
Where is Dr. Graveline's office located?
Dr. Graveline practices at 1215 DUFF AVE PO BOX, Ames, IA 50010. Contact the office for appointment scheduling.
How do I make an appointment with Dr. Graveline?
To schedule an appointment with Dr. Graveline, contact the office directly. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
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Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards