STEVEN M. MATLOFF MD
NPI 1881707768
Allergy & Immunology in Burlington, MA
About Steven M. Matloff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN M. MATLOFF MD (NPI 1881707768) is an individual allergy & immunology provider in Burlington, Massachusetts, licensed in Massachusetts (45291) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Boston University School Of Medicine (1978).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
Steven M. Matloff 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 Steven Matloff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Cambridge, MA 02138
- Reassigned Medicare billing, Massachusetts enrollment
- 170 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.
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.
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
BURLINGTON, MA 01805
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 Steven Matloff's NPI number?
The NPI number for Steven Matloff is 1881707768. It was assigned to this individual provider in the NPPES registry on August 16, 2006.
Where is Steven Matloff located?
Steven Matloff practices at Lahey Hospital And Medical Center 41 Mall Road, Burlington, MA 01805. The listed phone number is (781) 744-8442.
What is Steven Matloff's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Steven Matloff enrolled in Medicare?
Yes. Steven Matloff 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 Steven Matloff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Matloff reassigns Medicare benefits to 2 organizations: Lahey Clinic, Inc. (Burlington, MA) and President & Fellows Of Harvard College (Cambridge, 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 Steven Matloff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Steven Matloff was last updated on April 29, 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.