Jeffrey Weiser, MD
NPI 1437253051 · Gastroenterology Physician · Farmington, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Weiser, MD is a Gastroenterology Physician provider in Farmington, CT (NPI 1437253051).
Provider details
- NPI number
- 1437253051
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 035977 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
411 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 | 64 | $105 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 62 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $92 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 48 | $107 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 40 | $243 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 208 | 75 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 162 | 158 |
| Famotidine | 138 | 49 |
| Omeprazole | 125 | 38 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 63 | 62 |
| Esomeprazole Magnesium | 55 | 22 |
| Lansoprazole | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,226 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
- 2006-09-12
- Last updated
- 2020-01-07
- Certified
- 2020-01-07
Frequently asked questions
- What is Jeffrey Weiser's NPI number?
- Jeffrey Weiser's National Provider Identifier (NPI) is 1437253051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Weiser's specialty?
- Jeffrey Weiser is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Weiser located?
- Jeffrey Weiser's practice location on file with NPPES is 21 South Rd, Farmington, CT 06032-2482.
- What is Jeffrey Weiser's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Weiser is (860) 409-4567.
- Does Jeffrey Weiser accept Medicare?
- Jeffrey Weiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Weiser's NPI active?
- Yes — Jeffrey Weiser's NPI (1437253051) is active in the NPPES registry as of the last update on 2020-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.