MMWIC
NPI 1124337175
Family Medicine in Lawrence, MA
About Mmwic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MMWIC (NPI 1124337175) is a healthcare organization registered as a family medicine in Lawrence, Massachusetts and active in the NPI registry since September 2010. The organization lists David Farzan, Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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)
Mmwic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Mmwic, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (3)
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 Medical & Walk In Center, LLC's NPI number?
The NPI number for Merrimack Medical & Walk In Center, LLC is 1124337175. It was assigned to this organization in the NPPES registry on September 24, 2010. The provider is also known as Mmwic.
Where is Merrimack Medical & Walk In Center, LLC located?
Merrimack Medical & Walk In Center, LLC is located at 25 Marston St 3rd Floor, Lawrence, MA 01841. The listed phone number is (978) 688-3100.
What is Merrimack Medical & Walk In Center, LLC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Merrimack Medical & Walk In Center, LLC enrolled in Medicare?
Yes. Merrimack Medical & Walk In Center, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Merrimack Medical & Walk In Center, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Merrimack Medical & Walk In Center, LLC, in Family Practice and Nurse Practitioner. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Merrimack Medical & Walk In Center, LLC accept?
Health plans from Anthem Blue Cross and Blue Shield list Merrimack Medical & Walk In Center, 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 Medical & Walk In Center, LLC was last updated on January 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Mmwic · NPI 1124337175
Family Medicine organization in Lawrence, Massachusetts. Organization record, active in the CMS NPPES registry since September 24, 2010.
## Identity
- **NPI:** 1124337175 (Entity type: Organization)
- **Enumerated:** September 24, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** Merrimack Medical & Walk In Center, Llc
- **Organization subpart:** No
- **Authorized official:** David Farzan, PARTNER
## Practice location
- **Address:** 25 MARSTON ST, 3RD FLOOR, Lawrence, MA 01841-2310
- **Phone:** (978) 688-3100
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (2), Nurse Practitioner (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 31, 2011
---
Source: [NPI Profile](https://npiprofile.com/npi/1124337175) · Data from the CMS NPPES public registry.