Robert Ruben, M.D.
NPI 1457354565 · Specialist · Somersworth, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Ruben, M.D. is a Specialist provider in Somersworth, NH (NPI 1457354565).
Provider details
- NPI number
- 1457354565
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,273 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 289 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 240 | $127 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 168 | $242 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 147 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 134 | $90 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 368 | 138 |
| Omeprazole | 132 | 51 |
| Dicyclomine Hcl | 121 | 51 |
| Famotidine | 83 | 26 |
| Linaclotidebrand: Linzess | 67 | 28 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 51 | 50 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$978 across 45 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Ruben's NPI number?
- Robert Ruben's National Provider Identifier (NPI) is 1457354565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Ruben's specialty?
- Robert Ruben is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Robert Ruben located?
- Robert Ruben's practice location on file with NPPES is 21 Clark Way, Somersworth, NH 03878-4401.
- What is Robert Ruben's phone number?
- The practice phone number listed in the NPPES registry for Robert Ruben is (603) 692-2228.
- Does Robert Ruben accept Medicare?
- Robert Ruben is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Ruben's NPI active?
- Yes — Robert Ruben's NPI (1457354565) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.