Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MILO MATTHEW NAGAYAMA LCSW
NPI 1871409144
Social Worker - Clinical in Boston, MA

Active since August 19, 2026
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-7824 Get Directions Write a Review

NPPES record added: August 19, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Milo Matthew Nagayama Lcsw NPPES

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

MILO MATTHEW NAGAYAMA LCSW (NPI 1871409144) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (LCSW2144191) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1871409144
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMILO MATTHEW NAGAYAMACredential: LCSW
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address333 Longwood Ave Ste 283Boston, MA 02115-5711 · (617) 355-7824
Sole ProprietorNo
Enumeration DateAugust 19, 2026
NPPES CertifiedAugust 19, 2026
NPI 1871409144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MA · LCSW2144191
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
300 LONGWOOD AVE, Boston, MA 02115

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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
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 Milo Nagayama's NPI number?

The NPI number for Milo Nagayama is 1871409144. It was assigned to this individual provider in the NPPES registry on August 19, 2026.

Where is Milo Nagayama located?

Milo Nagayama practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-7824.

What is Milo Nagayama's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Milo Nagayama was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.