JEFFERSON T BARRETT M.D.
NPI 1629481643
Pediatrics - Pediatric Emergency Medicine in Boston, MA
About Jefferson T Barrett M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFERSON T BARRETT M.D. (NPI 1629481643) is an individual pediatric emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (270481) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Jefferson T Barrett M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jefferson Barrett reassigns Medicare billing to 2 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
- 1,358 clinicians in this Medicare group
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Jefferson Barrett's NPI number?
The NPI number for Jefferson Barrett is 1629481643. It was assigned to this individual provider in the NPPES registry on June 6, 2014.
Where is Jefferson Barrett located?
Jefferson Barrett practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6624.
What is Jefferson Barrett's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Jefferson Barrett enrolled in Medicare?
Yes. Jefferson Barrett is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jefferson Barrett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jefferson Barrett reassigns Medicare benefits to 2 organizations: Children's Hospital Pediatric Associates, Inc (Boston, MA) and Montefiore Medical Center (Bronx, NY). 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 Jefferson Barrett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jefferson Barrett accept?
Health plans from Taro Health list Jefferson Barrett 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.
When was this NPI record last updated?
The NPPES record for Jefferson Barrett was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Jefferson T Barrett, M.D. · NPI 1629481643
Pediatric Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 6, 2014.
## Identity
- **NPI:** 1629481643 (Entity type: Individual)
- **Enumerated:** June 6, 2014
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** 270481 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115
- **Phone:** (617) 355-6624
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA); Montefiore Medical Center (NPI 1063525152, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1629481643) · Data from the CMS NPPES public registry.