Sean Lynch, MD
NPI 1326222431 · Gastroenterology Physician · Somersworth, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Lynch, MD is a Gastroenterology Physician provider in Somersworth, NH (NPI 1326222431).
Provider details
- NPI number
- 1326222431
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 15134 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
1,152 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 178 | $90 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 170 | $245 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 139 | $88 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 118 | $152 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 78 | $77 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 329 | 98 |
| Pantoprazole Sodium | 184 | 59 |
| Dicyclomine Hcl | 84 | 23 |
| Famotidine | 74 | 19 |
| Ringer'S Solution,lactatedbrand: Lactated Ringers | 62 | — |
| Metoclopramide Hcl | 59 | 11 |
| Amitriptyline Hcl | 55 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$136 across 3 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
- 2007-12-26
- Last updated
- 2012-02-01
Frequently asked questions
- What is Sean Lynch's NPI number?
- Sean Lynch's National Provider Identifier (NPI) is 1326222431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Lynch's specialty?
- Sean Lynch is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Lynch located?
- Sean Lynch's practice location on file with NPPES is 21 Clark Way, Somersworth, NH 03878-4401.
- What is Sean Lynch's phone number?
- The practice phone number listed in the NPPES registry for Sean Lynch is (603) 692-2228.
- Does Sean Lynch accept Medicare?
- Sean Lynch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Lynch's NPI active?
- Yes — Sean Lynch's NPI (1326222431) is active in the NPPES registry as of the last update on 2012-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.