DR. BRIAN LAWRENCE LEAHY D.C.
NPI 1841345774
Chiropractor in Everett, MA
About Dr. Brian Lawrence Leahy D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN LAWRENCE LEAHY D.C. (NPI 1841345774) is an individual chiropractor in Everett, Massachusetts, licensed in Massachusetts (638) and active in the NPI registry since January 2007. He is affiliated with Cambridge Health Alliance and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Brian Lawrence Leahy D.c. 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 Reassignment
Medicare enrollment records show Brian Leahy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Everett, MA 02149
- Reassigned Medicare billing, Massachusetts enrollment
- 3 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.
Areas of Expertise CMS Part B claims 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cambridge Health Alliance
Acute Care Hospitals · Cambridge, MAFrequently 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 Brian Leahy's NPI number?
The NPI number for Brian Leahy is 1841345774. It was assigned to this individual provider in the NPPES registry on January 23, 2007.
Where is Brian Leahy located?
Brian Leahy practices at 107 Ferry St, Everett, MA 02149. The listed phone number is (617) 389-6951.
What is Brian Leahy's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Brian Leahy enrolled in Medicare?
Yes. Brian Leahy 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 organization bills Medicare for Brian Leahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Leahy reassigns Medicare benefits to Everett Chiropractic LLC (Everett, MA). The 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 Brian Leahy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brian Leahy affiliated with any hospitals?
According to CMS data, Brian Leahy is affiliated with Cambridge Health Alliance.
When was this NPI record last updated?
The NPPES record for Brian Leahy was last updated on February 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Brian Lawrence Leahy, D.C. · NPI 1841345774
Chiropractor provider in Everett, Massachusetts. Individual provider, active in the CMS NPPES registry since January 23, 2007.
## Identity
- **NPI:** 1841345774 (Entity type: Individual)
- **Enumerated:** January 23, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 638 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 107 FERRY ST, Everett, MA 02149-4940
- **Phone:** (617) 389-6951
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Everett Chiropractic LLC (NPI 1295432037, Everett, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1981
## Record status
- **NPPES last updated:** February 9, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1841345774) · Data from the CMS NPPES public registry.