STEFANI MAYA SCHWARTZ
NPI 1720510746
Anesthesiology - Pain Medicine in Boston, MA
About Stefani Maya Schwartz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFANI MAYA SCHWARTZ (NPI 1720510746) is an individual pain medicine provider in Boston, Massachusetts, licensed in Massachusetts (290074) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Pennsylvania State University College Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Stefani Maya Schwartz 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 Stefani Schwartz 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.
Areas of Expertise CMS Part B claims 14
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAEmerson Hospital -
Acute Care Hospitals · W Concord, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAOther 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 Stefani Schwartz's NPI number?
The NPI number for Stefani Schwartz is 1720510746. It was assigned to this individual provider in the NPPES registry on March 29, 2017.
Where is Stefani Schwartz located?
Stefani Schwartz practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 643-2652.
What is Stefani Schwartz's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Stefani Schwartz enrolled in Medicare?
Yes. Stefani Schwartz 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 Stefani Schwartz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefani Schwartz 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 Stefani Schwartz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefani Schwartz accept?
Health plans from Anthem Blue Cross and Blue Shield list Stefani Schwartz 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 Stefani Schwartz affiliated with any hospitals?
According to CMS data, Stefani Schwartz is affiliated with Massachusetts General Hospital, Emerson Hospital - and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Stefani Schwartz was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.