CHANTAL BLAIS NP
NPI 1639568041
Nurse Practitioner - Acute Care in Boston, MA
About Chantal Blais Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHANTAL BLAIS NP (NPI 1639568041) is an individual acute care provider in Boston, Massachusetts, licensed in Massachusetts (RN272748) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chantal Blais Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Chantal Blais reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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 02114 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Chantal Blais's NPI number?
The NPI number for Chantal Blais is 1639568041. It was assigned to this individual provider in the NPPES registry on January 22, 2015.
Where is Chantal Blais located?
Chantal Blais practices at 55 Fruit St Massachusetts General Hospital - Bigelow 10, Boston, MA 02114. The listed phone number is (617) 726-3700.
What is Chantal Blais's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Chantal Blais enrolled in Medicare?
Yes. Chantal Blais is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Chantal Blais's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chantal Blais reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (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 Chantal Blais's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Chantal Blais was last updated on March 2, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Chantal Blais, NP · NPI 1639568041
Acute Care physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since January 22, 2015.
## Identity
- **NPI:** 1639568041 (Entity type: Individual)
- **Enumerated:** January 22, 2015
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** RN272748 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL - BIGELOW 10, Boston, MA 02114-2621
- **Phone:** (617) 726-3700
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 2, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1639568041) · Data from the CMS NPPES public registry.