ATLANTIC DIGESTIVE SPECIALISTS, PLLC
NPI 1316048069
Internal Medicine - Gastroenterology in Somersworth, NH
About Atlantic Digestive Specialists, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ATLANTIC DIGESTIVE SPECIALISTS, PLLC (NPI 1316048069) is a healthcare organization registered as a gastroenterology in Somersworth, New Hampshire and active in the NPI registry since September 2006. The organization holds 2 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Sean P Lynch, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Atlantic Digestive Specialists, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
14Medicare enrollment records show 14 clinicians reassign Medicare billing to Atlantic Digestive Specialists, PLLC, which bills Medicare for the services they deliver. Of these, 10 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (14)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA 2
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 30D0087071
Atlantic Digestive Specialists, PLLC · Somersworth, NHCertificate of Waiver 30D0717428
Atlantic Digestic Specialists, PLLC · Portsmouth, NHFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Atlantic Digestive Specialists, PLLC's NPI number?
The NPI number for Atlantic Digestive Specialists, PLLC is 1316048069. It was assigned to this organization in the NPPES registry on September 26, 2006.
Where is Atlantic Digestive Specialists, PLLC located?
Atlantic Digestive Specialists, PLLC is located at 21 Clark Way, Somersworth, NH 03878. The listed phone number is (603) 692-2228.
What is Atlantic Digestive Specialists, PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Atlantic Digestive Specialists, PLLC enrolled in Medicare?
Yes. Atlantic Digestive Specialists, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Atlantic Digestive Specialists, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 2 Medicare specialties reassign their Medicare billing to Atlantic Digestive Specialists, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (10) and Nurse Practitioner (4). Of these, 10 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Atlantic Digestive Specialists, PLLC hold CLIA laboratory certificates?
Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
What insurance does Atlantic Digestive Specialists, PLLC accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Atlantic Digestive Specialists, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Atlantic Digestive Specialists, PLLC was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Atlantic Digestive Specialists, Pllc · NPI 1316048069
Gastroenterology organization in Somersworth, New Hampshire. Organization record, active in the CMS NPPES registry since September 26, 2006.
## Identity
- **NPI:** 1316048069 (Entity type: Organization)
- **Enumerated:** September 26, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Sean Lynch, PRESIDENT
## Practice location
- **Address:** 21 CLARK WAY, Somersworth, NH 03878-4401
- **Phone:** (603) 692-2228 · **Fax:** (603) 692-4748
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 14 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (10), Nurse Practitioner (4); 10 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 16, 2026
- **CLIA laboratory certificates:** 2 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1316048069) · Data from the CMS NPPES public registry.