DR. RICHARD MICHAEL LOUISSAINT M.D
NPI 1629331087
Emergency Medicine in Everett, MA
About Dr. Richard Michael Louissaint M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RICHARD MICHAEL LOUISSAINT M.D (NPI 1629331087) is an individual emergency medicine provider in Everett, Massachusetts, licensed in Massachusetts (1013821) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Richard Michael Louissaint M.d 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
3Medicare enrollment records show Richard Louissaint reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 305 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 258 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lawrence General Hospital
Acute Care Hospitals · Lawrence, MACambridge Health Alliance
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02149 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Richard Louissaint's NPI number?
The NPI number for Richard Louissaint is 1629331087. It was assigned to this individual provider in the NPPES registry on June 20, 2012.
Where is Richard Louissaint located?
Richard Louissaint practices at 103 Garland St, Everett, MA 02149. The listed phone number is (617) 665-1430.
What is Richard Louissaint's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Richard Louissaint enrolled in Medicare?
Yes. Richard Louissaint 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 Richard Louissaint's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Louissaint reassigns Medicare benefits to 3 organizations: Cambridge Public Health Commission (Cambridge, MA), Community Medical Associates, Inc. (Lawrence, MA) and Lawrence General Hospital (Lawrence, 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 Richard Louissaint's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Richard Louissaint accept?
Health plans from Oscar Health, Oscar Insurance Company and Taro Health list Richard Louissaint 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.
Is Richard Louissaint affiliated with any hospitals?
According to CMS data, Richard Louissaint is affiliated with Lawrence General Hospital and Cambridge Health Alliance.
When was this NPI record last updated?
The NPPES record for Richard Louissaint was last updated on January 13, 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.