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MERRIMACK VALLEY ENDOSCOPY, LLC
NPI 1417944778
Clinic/Center - Ambulatory Surgical in Haverhill, MA

Active since October 03, 2005
1 PARKWAY, HAVERHILL, MA 01830(978) 521-3235(978) 521-3236 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 10, 2025, Jul 13, 2023, Feb 10, 2021 and 2 more (5 updates tracked since 2019).

About Merrimack Valley Endoscopy, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERRIMACK VALLEY ENDOSCOPY, LLC (NPI 1417944778) is a healthcare organization registered as an ambulatory surgical in Haverhill, Massachusetts and active in the NPI registry since October 2005. The organization lists Lindsay Gainer, President & Coo, as its authorized official.

NPPES Registry Identity

NPI1417944778
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameMERRIMACK VALLEY ENDOSCOPY, LLC
Location Address1 PARKWAYHaverhill, MA 01830-6278
Mailing Address1 ParkwayHaverhill, MA 01830-6278 · (978) 521-3235 · Fax (978) 521-3236
Phone(978) 521-3235
Fax(978) 521-3236
Organization SubpartNo
Authorized OfficialLindsay GainerPresident & Coo · (857) 282-3914
Enumeration DateOctober 3, 2005
Last NPPES UpdateOctober 10, 20255 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
✔ NPI 1417944778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
1 PARKWAY, Haverhill, MA 01830
Open in Google Maps ↗

Other Identifiers 4

Other693806MA · Tufts
Other0033919MA · Neighborhood Health Plan
OtherM88027MA · Bcbs
Other903698MA · Hphc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield.Insurance ›

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
451 services447 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
310 services300 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
177 services176 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
147 services147 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
100 services100 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
33 services32 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEVEN P. BLOOM M.D.
Pediatrics
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 521-3230
BROWN & CHUN OBGYN ASSOCIATES
Clinic/Center (Medical Specialty)
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 556-9060
MS. SARAH J JENSEN NP
Nurse Practitioner (Family)
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 521-3270
MARCIA A. SIKORSKI RD
Dietitian, Registered
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 521-3250
FRANCIS P. MACMILLAN M.D.
Internal Medicine (Gastroenterology)
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 521-3235
SUNNY SRIVASTAVA M.D.
Internal Medicine (Cardiovascular Disease)
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 521-3288
PAULA GRANT N.P.
Nurse Practitioner (Pediatrics)
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 521-3230
PAULA BOULANGER M.D.
Pediatrics
1 PARKWAY
HAVERHILL, MA 01830
Essex County (978) 521-3230

Frequently 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 Merrimack Valley Endoscopy, LLC's NPI number?

The NPI number for Merrimack Valley Endoscopy, LLC is 1417944778. It was assigned to this organization in the NPPES registry on October 3, 2005.

Where is Merrimack Valley Endoscopy, LLC located?

Merrimack Valley Endoscopy, LLC is located at 1 Parkway, Haverhill, MA 01830. The listed phone number is (978) 521-3235.

What is Merrimack Valley Endoscopy, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

What insurance does Merrimack Valley Endoscopy, LLC accept?

Health plans from Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list Merrimack Valley Endoscopy, LLC 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 Merrimack Valley Endoscopy, LLC was last updated on October 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.