HERARDINE LOUIS CNP
NPI 1417612896
Nurse Practitioner in Brighton, MA
About Herardine Louis Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HERARDINE LOUIS CNP (NPI 1417612896) is an individual nurse practitioner in Brighton, Massachusetts, licensed in Massachusetts (RN2277045) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS, is affiliated with St Elizabeth's Medical Center, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 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
Herardine Louis Cnp 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 Herardine Louis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 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.
St Elizabeth's Medical Center
Acute Care Hospitals · Brighton, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02135 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.
BOSTON, MA 02135
BRIGHTON, MA 02135
BOSTON, MA 02135
BRIGHTON, MA 02135
BRIGHTON, MA 02135
BOSTON, MA 02135
BRIGHTON, MA 02135
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 Herardine Louis's NPI number?
The NPI number for Herardine Louis is 1417612896. It was assigned to this individual provider in the NPPES registry on November 1, 2021.
Where is Herardine Louis located?
Herardine Louis practices at 736 Cambridge St Semc - Cardiac Surgery -, Brighton, MA 02135. The listed phone number is (617) 789-2045.
What is Herardine Louis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Herardine Louis enrolled in Medicare?
Yes. Herardine Louis 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 Herardine Louis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Herardine Louis reassigns Medicare benefits to 2 organizations: Steward Medical Group, Inc (Watertown, MA) and Bmc Affiliated Physicians, Inc. (Boston, 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 Herardine Louis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Herardine Louis accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Herardine Louis 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 Herardine Louis affiliated with any hospitals?
According to CMS data, Herardine Louis is affiliated with St Elizabeth's Medical Center.
When was this NPI record last updated?
The NPPES record for Herardine Louis was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Herardine Louis, CNP · NPI 1417612896
Nurse Practitioner physician in Brighton, Massachusetts. Individual provider, active in the CMS NPPES registry since November 1, 2021.
## Identity
- **NPI:** 1417612896 (Entity type: Individual)
- **Enumerated:** November 1, 2021
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN2277045 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 736 CAMBRIDGE ST, SEMC - CARDIAC SURGERY -, Brighton, MA 02135-2907
- **Phone:** (617) 789-2045
## 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): Steward Medical Group, Inc (NPI 1629398219, Watertown, MA); Bmc Affiliated Physicians, Inc. (NPI 1245320910, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** March 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1417612896) · Data from the CMS NPPES public registry.