STEVEN M. MATLOFF MD
NPI 1881707768
Allergy & Immunology in Burlington, MA

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD, BURLINGTON, MA 01805(781) 744-8442(781) 744-3442 Get Directions Write a Review

NPPES record last updated: April 29, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1881707768
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameSTEVEN M. MATLOFFCredential: MD
Location AddressLAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROADBurlington, MA 01805
Mailing AddressLahey Hospital And Medical Center, 41 Mall RoadBurlington, MA 01805-0001 · (781) 744-8442 · Fax (781) 744-3442
Fax(781) 744-3442
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 1978
Enumeration DateAugust 16, 2006
Last NPPES UpdateApril 29, 2019
✔ NPI 1881707768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in MA · 45291
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
LAHEY HOSPITAL AND MEDICAL CENTER, Burlington, MA 01805

Secondary Practice Location 1

Location 1133 Brookline AveBoston, MA 02215-3904 · Phone (617) 421-1302 · Fax (617) 421-1303

Other Identifiers 2

Other045291MA · Tufts Health Plan
Medicaid0180513MA

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.

PECOS PAC ID9739137001
PECOS Enrollment IDI20050104000715
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
Multi-Specialty
75 MOUNT AUBURN ST
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.

Hospitalist
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
BURLINGTON, MA 01805
Obstetrics & Gynecology (Gynecology)
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
BURLINGTON, MA 01805
Surgery
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
BURLINGTON, MA 01805
Nurse Practitioner (Family)
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
BURLINGTON, MA 01805
Nurse Anesthetist, Certified Registered
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
BURLINGTON, MA 01805
Anesthesiology
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
BURLINGTON, MA 01805
Internal Medicine (Cardiovascular Disease)
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
BURLINGTON, MA 01805
Internal Medicine
LAHEY HOSPITAL AND MEDICAL CENTER, 41 MALL ROAD
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.