SYLVIA E ROSAS MD
NPI 1568497600
Internal Medicine - Nephrology in Boston, MA
About Sylvia E Rosas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYLVIA E ROSAS MD (NPI 1568497600) is an individual nephrology provider in Boston, Massachusetts, licensed in Massachusetts (257012) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Sylvia E Rosas Md 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 Sylvia Rosas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 125 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 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 6
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.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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 02215
BOSTON, MA 02215
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 Sylvia Rosas's NPI number?
The NPI number for Sylvia Rosas is 1568497600. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Sylvia Rosas located?
Sylvia Rosas practices at 1 Joslin Pl, Boston, MA 02215. The listed phone number is (617) 309-2400.
What is Sylvia Rosas's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Sylvia Rosas enrolled in Medicare?
Yes. Sylvia Rosas 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 Sylvia Rosas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sylvia Rosas reassigns Medicare benefits to 2 organizations: Joslin Clinic Inc (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr 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 Sylvia Rosas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sylvia Rosas affiliated with any hospitals?
According to CMS data, Sylvia Rosas is affiliated with Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for Sylvia Rosas was last updated on January 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Sylvia E Rosas, MD · NPI 1568497600
Nephrology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1568497600 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 257012 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 JOSLIN PL, Boston, MA 02215-5306
- **Phone:** (617) 309-2400
## 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): Joslin Clinic Inc (NPI 1528003621, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** January 3, 2019
- **Other identifiers:** Medicaid 001747420 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1568497600) · Data from the CMS NPPES public registry.