LINDSEY ELLEN MCKIERNAN FNP
NPI 1235959792
Nurse Practitioner - Family in Chelmsford, MA
About Lindsey Ellen Mckiernan Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LINDSEY ELLEN MCKIERNAN FNP (NPI 1235959792) is an individual family provider in Chelmsford, Massachusetts, licensed in Massachusetts (RN257225) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lindsey Ellen Mckiernan Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Lindsey Mckiernan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chelmsford, MA 01824
- Reassigned Medicare billing, Massachusetts enrollment
- 58 clinicians in this Medicare group
Chelmsford, MA 01824
- Reassigned Medicare billing, Massachusetts enrollment
- 57 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01824 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHELMSFORD, MA 01824
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 Lindsey Mckiernan's NPI number?
The NPI number for Lindsey Mckiernan is 1235959792. It was assigned to this individual provider in the NPPES registry on October 10, 2024.
Where is Lindsey Mckiernan located?
Lindsey Mckiernan practices at 290 Littleton Rd Unit 3, Chelmsford, MA 01824. The listed phone number is (978) 685-2460.
What is Lindsey Mckiernan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lindsey Mckiernan enrolled in Medicare?
Yes. Lindsey Mckiernan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lindsey Mckiernan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lindsey Mckiernan reassigns Medicare benefits to 2 organizations: Lawrence General Community Medical Service PLLC (Chelmsford, MA) and New England Community Medical Services PLLC (Chelmsford, MA). Each 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 Lindsey Mckiernan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lindsey Mckiernan accept?
Health plans from WellSense Health Plan list Lindsey Mckiernan 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 Lindsey Mckiernan was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Lindsey Ellen Mckiernan, FNP · NPI 1235959792
Family physician in Chelmsford, Massachusetts. Individual provider, active in the CMS NPPES registry since October 10, 2024.
## Identity
- **NPI:** 1235959792 (Entity type: Individual)
- **Enumerated:** October 10, 2024
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** RN257225 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 290 LITTLETON RD UNIT 3, Chelmsford, MA 01824-3429
- **Phone:** (978) 685-2460
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Lawrence General Community Medical Service PLLC (NPI 1174076418, Chelmsford, MA); New England Community Medical Services PLLC (NPI 1427376516, Chelmsford, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** August 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1235959792) · Data from the CMS NPPES public registry.