STEPHANIE DAVIS SLATER DIAZ CRNA
NPI 1790352243
Registered Nurse - Critical Care Medicine in Jamaica Plain, MA
About Stephanie Davis Slater Diaz Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE DAVIS SLATER DIAZ CRNA (NPI 1790352243) is an individual critical care medicine provider in Jamaica Plain, Massachusetts, licensed in Massachusetts (RN2329699) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Stephanie Davis Slater Diaz Crna 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
4Medicare enrollment records show Stephanie Diaz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 88 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 105 clinicians in this Medicare group
Acton, MA 01720
- Reassigned Medicare billing, Massachusetts enrollment
- 125 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Hospital
Acute Care Hospitals · Winchester, MAFaulkner Hospital-Brigham And Women's
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 02130
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 Stephanie Diaz's NPI number?
The NPI number for Stephanie Diaz is 1790352243. It was assigned to this individual provider in the NPPES registry on June 4, 2021. The provider is also known as Stephanie Davis Slater.
Where is Stephanie Diaz located?
Stephanie Diaz practices at 1153 Centre St, Jamaica Plain, MA 02130. The listed phone number is (617) 983-7000.
What is Stephanie Diaz's specialty?
The primary specialty registered for this NPI is Registered Nurse, specializing in Critical Care Medicine, with taxonomy code 163WC0200X.
Is Stephanie Diaz enrolled in Medicare?
Yes. Stephanie Diaz 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 Stephanie Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Diaz reassigns Medicare benefits to 4 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Winchester Anesthesia Associates 2 Inc (Winchester, MA), Winchester Anesthesia Associates, Inc (Winchester, MA) and Gbaa Holdings, PLLC (Acton, 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 Stephanie Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephanie Diaz affiliated with any hospitals?
According to CMS data, Stephanie Diaz is affiliated with Winchester Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Stephanie Diaz was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Stephanie Davis Slater Diaz, CRNA · NPI 1790352243
Critical Care Medicine provider in Jamaica Plain, Massachusetts. Individual provider, active in the CMS NPPES registry since June 4, 2021.
## Identity
- **NPI:** 1790352243 (Entity type: Individual)
- **Enumerated:** June 4, 2021
- **Primary specialty:** Registered Nurse - Critical Care Medicine · taxonomy 163WC0200X
- **State license:** RN2329699 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1153 CENTRE ST, Jamaica Plain, MA 02130-3446
- **Phone:** (617) 983-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Winchester Anesthesia Associates 2 Inc (NPI 1427599588, Winchester, MA); Winchester Anesthesia Associates, Inc (NPI 1972626117, Winchester, MA); Gbaa Holdings, PLLC (NPI 1790299592, Acton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** December 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1790352243) · Data from the CMS NPPES public registry.