SANDRA VERONICA LEYAN CASTILLO
NPI 1548922875
Nurse Practitioner in Charlestown, MA
About Sandra Veronica Leyan Castillo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDRA VERONICA LEYAN CASTILLO (NPI 1548922875) is an individual nurse practitioner in Charlestown, Massachusetts, licensed in Massachusetts (RN2327535) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Santiago.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sandra Veronica Leyan Castillo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sandra Leyan Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02113
- Reassigned Medicare billing, Massachusetts enrollment
- 75 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02129 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 02129
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 Sandra Leyan Castillo's NPI number?
The NPI number for Sandra Leyan Castillo is 1548922875. It was assigned to this individual provider in the NPPES registry on October 13, 2021.
Where is Sandra Leyan Castillo located?
Sandra Leyan Castillo practices at 15 Tufts St, Charlestown, MA 02129. The listed phone number is (617) 653-8007.
What is Sandra Leyan Castillo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Sandra Leyan Castillo enrolled in Medicare?
Yes. Sandra Leyan Castillo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sandra Leyan Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Leyan Castillo reassigns Medicare benefits to North End Community Health Committee Inc (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 Sandra Leyan Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sandra Leyan Castillo accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Sandra Leyan Castillo 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 Sandra Leyan Castillo affiliated with any hospitals?
According to CMS data, Sandra Leyan Castillo is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Sandra Leyan Castillo was last updated on August 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Sandra Veronica Leyan Castillo · NPI 1548922875
Nurse Practitioner physician in Charlestown, Massachusetts. Individual provider, active in the CMS NPPES registry since October 13, 2021.
## Identity
- **NPI:** 1548922875 (Entity type: Individual)
- **Enumerated:** October 13, 2021
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN2327535 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 TUFTS ST, Charlestown, MA 02129-2711
- **Phone:** (617) 653-8007
## 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:** North End Community Health Committee Inc (NPI 1780606608, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1548922875) · Data from the CMS NPPES public registry.