ISABELLA DE MARCHENA
NPI 1861277527
Counselor - Mental Health in Boston, MA
About Isabella De Marchena NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISABELLA DE MARCHENA (NPI 1861277527) is an individual mental health provider in Boston, Massachusetts and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
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
Isabella De Marchena 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 Isabella De Marchena reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
East Boston, MA 02128
- Reassigned Medicare billing, Massachusetts enrollment
- 37 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.
Other Providers at the Same Location NPPES 8
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 Isabella De Marchena's NPI number?
The NPI number for Isabella De Marchena is 1861277527. It was assigned to this individual provider in the NPPES registry on August 30, 2023.
Where is Isabella De Marchena located?
Isabella De Marchena practices at 112 Water St Ste 203, Boston, MA 02109. The listed phone number is (855) 284-7483.
What is Isabella De Marchena's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Isabella De Marchena enrolled in Medicare?
Yes. Isabella De Marchena 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 Isabella De Marchena's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isabella De Marchena reassigns Medicare benefits to North Suffolk Community Services Inc. (East Boston, 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 Isabella De Marchena'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 Isabella De Marchena was last updated on August 30, 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.
# Isabella De Marchena · NPI 1861277527
Mental Health provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 30, 2023.
## Identity
- **NPI:** 1861277527 (Entity type: Individual)
- **Enumerated:** August 30, 2023
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 112 WATER ST STE 203, Boston, MA 02109-4225
- **Phone:** (855) 284-7483
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** North Suffolk Community Services Inc. (NPI 1740209881, East Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** August 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1861277527) · Data from the CMS NPPES public registry.