MATTHEW LEEDS
NPI 1801953104
Psychologist in Cambridge, MA

Active since January 03, 2007PECOS EnrolledAccepts Medicare Assignment
86.26/100
CMS Quality Rating
240 CONCORD AVE, CAMBRIDGE, MA 02138(617) 497-6603 Get Directions Write a Review

NPPES record last updated: August 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Matthew Leeds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATTHEW LEEDS (NPI 1801953104) is an individual psychologist in Cambridge, Massachusetts, licensed in Massachusetts (3968) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1801953104
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameMATTHEW LEEDS
Location Address240 CONCORD AVECambridge, MA 02138-1447
Mailing Address240 Concord AveCambridge, MA 02138-1447
Sole ProprietorYes
Medical School CMSOtherGraduated 1985
Enumeration DateJanuary 3, 2007
Last NPPES UpdateAugust 30, 2024
NPPES CertifiedAugust 30, 2024
✔ NPI 1801953104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in MA · 3968
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
240 CONCORD AVE, Cambridge, MA 02138

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

Matthew Leeds 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 ID2567459332
PECOS Enrollment IDI20040426001418
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 Reassignment

Medicare enrollment records show Matthew Leeds reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Acute Care Hospital
1493 CAMBRIDGE ST
Cambridge, MA 02139
  • Reassigned Medicare billing, Massachusetts enrollment
  • 362 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cambridge Health Alliance

Acute Care Hospitals · Cambridge, MA
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number220011
Location1493 Cambridge StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

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.

86.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.84
Promoting Interoperability100
Improvement Activities40
Cost58.7

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Counseling)
240 CONCORD AVE
CAMBRIDGE, MA 02138
Psychologist (Clinical)
240 CONCORD AVE, SUITE 2
CAMBRIDGE, MA 02138
Psychologist
240 CONCORD AVE
CAMBRIDGE, MA 02138
Psychologist (Clinical)
240 CONCORD AVE
CAMBRIDGE, MA 02138
Psychologist
240 CONCORD AVE
CAMBRIDGE, MA 02138
Psychiatry & Neurology (Child & Adolescent Psychiatry)
240 CONCORD AVE
CAMBRIDGE, MA 02138
Psychologist (Clinical)
240 CONCORD AVE, SUITE 2
CAMBRIDGE, MA 02138
Social Worker
240 CONCORD AVE
CAMBRIDGE, MA 02138

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 Matthew Leeds's NPI number?

The NPI number for Matthew Leeds is 1801953104. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Matthew Leeds located?

Matthew Leeds practices at 240 Concord Ave, Cambridge, MA 02138. The listed phone number is (617) 497-6603.

What is Matthew Leeds's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Matthew Leeds enrolled in Medicare?

Yes. Matthew Leeds 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 organization bills Medicare for Matthew Leeds's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Leeds reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, MA). The 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 Matthew Leeds's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Leeds accept?

Health plans from Harvard Pilgrim Health Care list Matthew Leeds 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 Matthew Leeds affiliated with any hospitals?

According to CMS data, Matthew Leeds is affiliated with Cambridge Health Alliance.

When was this NPI record last updated?

The NPPES record for Matthew Leeds was last updated on August 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.