Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JAMES ALEXANDER CHU M.D.
NPI 1679513337
Psychiatry & Neurology - Psychiatry in Belmont, MA

Active since June 08, 2006PECOS Enrolled
115 MILL ST, BELMONT, MA 02478(617) 855-2761(617) 855-2574 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About James Alexander Chu M.d. NPPES

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

JAMES ALEXANDER CHU M.D. (NPI 1679513337) is an individual psychiatry provider in Belmont, Massachusetts, licensed in Massachusetts (42661) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1976).

NPPES Registry Identity

NPI1679513337
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJAMES ALEXANDER CHUCredential: M.D.
Location Address115 MILL STBelmont, MA 02478-1041
Mailing Address115 Mill StBelmont, MA 02478-1041 · (617) 855-2761 · Fax (617) 855-2574
Fax(617) 855-2574
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1976
Enumeration DateJune 8, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1679513337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in MA · 42661
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
115 MILL ST, Belmont, MA 02478

Other Identifiers 2

Medicaid2061201MA
OtherM09696MA · Bcbs

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

James Alexander Chu M.d. 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 ID8325039423
PECOS Enrollment IDI20050603000589
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02478 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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)
115 MILL ST, MAILSTOP 137
BELMONT, MA 02478
Psychiatry & Neurology (Neurology)
115 MILL ST, MCLEAN HOSPITAL
BELMONT, MA 02478
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478

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 James Chu's NPI number?

The NPI number for James Chu is 1679513337. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is James Chu located?

James Chu practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2761.

What is James Chu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is James Chu enrolled in Medicare?

Yes. James Chu 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.

What insurance does James Chu accept?

Health plans from Anthem Blue Cross and Blue Shield list James Chu 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 James Chu was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.