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Edit this profileAt a glance
- 21 Clark Way, Somersworth, NH 03878
About Dr. Ruben
Based in Somersworth, NH, Robert A. Ruben, M.D. is listed in the NPI registry under gastroenterology. Robert graduated from University of Vermont College of Medicine in 1981. Robert is also listed as specializing in specialist. Medicare claims data shows Robert provided 10,637 services to 2,041 patients. The services billed most often include injection, vedolizumab, intravenous, 1 mg, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1457354565 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (603) 692-2228
- Email not available
Practice Locations
21 CLARK WAY
Somersworth, NH 03878
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
10,637 services · 2,041 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
289 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
168 | More than most peers in Gastroenterology |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
115 | More than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
106 | More often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
80 | More than most peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
77 | More than most peers in Gastroenterology |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
54 | Too few peers to compare |
| Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare | Procedure | 43251 |
43 | More often than most peers in Gastroenterology |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
32 | Too few peers to compare |
| Removal of stent from pancreatic or bile duct using a flexible endoscope | Procedure | 43275 |
17 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of Vermont College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1981 at University of Vermont College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 7
Providers in NH who bill this service to Medicare most often.
Common questions
What is Robert A. Ruben's specialty?
Robert A. Ruben is a gastroenterologist in Somersworth, NH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Robert A. Ruben?
Robert A. Ruben is listed at 21 Clark Way, Somersworth, NH 03878. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Robert A. Ruben?
The number on file is (603) 692-2228. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Robert A. Ruben?
Robert A. Ruben's National Provider Identifier is 1457354565. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Robert A. Ruben's education?
Robert A. Ruben attended University of Vermont College of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Robert A. Ruben have?
Robert A. Ruben has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Robert A. Ruben known for?
According to Medicare billing data, Robert A. Ruben performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm; reads or performs imaging such as ultrasound scan of organ tissue for measuring elasticity; provides treatments such as study of esophagus to assess movement and monitoring and recording of esophageal function through nasal tube with electrode, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Robert A. Ruben's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Robert A. Ruben. If this is you, claiming it is free.
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