ISABELLE B DOUYON LMHC
NPI 1609139948
Counselor - Mental Health in Saugus, MA
About Isabelle B Douyon Lmhc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISABELLE B DOUYON LMHC (NPI 1609139948) is an individual mental health provider in Saugus, Massachusetts and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
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
Isabelle B Douyon Lmhc 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 Isabelle Douyon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newton, MA 02464
- Reassigned Medicare billing, Massachusetts enrollment
- 24 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.
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 Isabelle Douyon's NPI number?
The NPI number for Isabelle Douyon is 1609139948. It was assigned to this individual provider in the NPPES registry on June 21, 2012.
Where is Isabelle Douyon located?
Isabelle Douyon practices at 2321 Founders Way, Saugus, MA 01906. The listed phone number is (781) 420-2645.
What is Isabelle Douyon's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Isabelle Douyon enrolled in Medicare?
Yes. Isabelle Douyon 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 Isabelle Douyon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isabelle Douyon reassigns Medicare benefits to Metro Boston Mental Health, PLLC (Newton, 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 Isabelle Douyon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isabelle Douyon accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Isabelle Douyon 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 Isabelle Douyon was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Isabelle B Douyon, LMHC · NPI 1609139948
Mental Health provider in Saugus, Massachusetts. Individual provider, active in the CMS NPPES registry since June 21, 2012.
## Identity
- **NPI:** 1609139948 (Entity type: Individual)
- **Enumerated:** June 21, 2012
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2321 FOUNDERS WAY, Saugus, MA 01906-4546
- **Phone:** (781) 420-2645
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Metro Boston Mental Health, PLLC (NPI 1184313397, Newton, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1609139948) · Data from the CMS NPPES public registry.