MERRIMACK VALLEY MEDICAL ASSOCIATES, PC
NPI 1114914868
Internal Medicine in Methuen, MA

Active since September 27, 2005
421 MERRIMACK ST, SUITE 201, METHUEN, MA 01844(978) 725-4822(978) 725-5277 Get Directions Write a Review

NPPES record last updated: September 28, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Merrimack Valley Medical Associates, Pc NPPES

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

MERRIMACK VALLEY MEDICAL ASSOCIATES, PC (NPI 1114914868) is a healthcare organization registered as an internal medicine in Methuen, Massachusetts and active in the NPI registry since September 2005. The organization lists Leo William Lane, Owner, as its authorized official.

NPPES Registry Identity

NPI1114914868
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMERRIMACK VALLEY MEDICAL ASSOCIATES, PC
Location Address421 MERRIMACK ST, SUITE 201Methuen, MA 01844-5803
Mailing AddressPo Box 3160Andover, MA 01810-0803 · (978) 289-1188 · Fax (978) 474-8845
Fax(978) 725-5277
Organization SubpartNo
Authorized OfficialLeo William LaneOwner · (978) 725-4822
Enumeration DateSeptember 27, 2005
Last NPPES UpdateSeptember 28, 2021
NPPES CertifiedSeptember 28, 2021
✔ NPI 1114914868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 155341
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
421 MERRIMACK ST, Methuen, MA 01844

Other Identifiers 11

Other2301962MA · Us Health
Other155341MA · Tufts
Other69499MA · Harvard Pilgrim
Other2301962MA · Aetna Us Health
Other50493MA · Matthew Thornton
Other9593735010MA · Cigna
OtherM18024MA · Blue Cross Blue Shield
Medicaid3208621MA
Other504290MA · Health Source
Other504290MA · Cigna Healthsource
Other49241MA · Fallon

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Merrimack Valley Medical Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMassachusettsEnrollment IDO20041004000661Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Merrimack Valley Medical Associates, PC, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Internal Medicine
NPI 1770570426
421 MERRIMACK ST SUITE 201
Methuen, MA 01844
(978) 725-4822
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1821578584
421 MERRIMACK ST STE 201
Methuen, MA 01844
(978) 725-4822
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1801403043
421 MERRIMACK ST STE 201
Methuen, MA 01844
(978) 725-4822
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1851947931
161 JACKSON ST
Lowell, MA 01852
(978) 937-9700
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1194135111
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER
Burlington, MA 01805
(781) 744-7000
✔ PECOS19 mi
Nurse Practitioner
NPI 1457875007
55 FRUIT ST
Boston, MA 02114
(617) 726-8722
✔ PECOS✔ Accepts Medicare27 mi
Nurse Practitioner
NPI 1578551164
9900 BREN ROAD EAST MAILROUTE MN 008-B213
Minnetonka, MN 55343
(866) 686-2504
✔ PECOS1,120 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Medical Associates, PC's NPI number?

The NPI number for Merrimack Valley Medical Associates, PC is 1114914868. It was assigned to this organization in the NPPES registry on September 27, 2005.

Where is Merrimack Valley Medical Associates, PC located?

Merrimack Valley Medical Associates, PC is located at 421 Merrimack St Suite 201, Methuen, MA 01844. The listed phone number is (978) 725-4822.

What is Merrimack Valley Medical Associates, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Merrimack Valley Medical Associates, PC enrolled in Medicare?

Yes. Merrimack Valley Medical Associates, PC is registered in the Medicare PECOS enrollment system.

When is Merrimack Valley Medical Associates, PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Massachusetts, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Merrimack Valley Medical Associates, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Merrimack Valley Medical Associates, PC. 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 Nurse Practitioner (6) and Internal Medicine (1). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Merrimack Valley Medical Associates, PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Merrimack Valley Medical Associates, PC 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 Medical Associates, PC was last updated on September 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.