JEFFREY A LAM
NPI 1336899400
Psychiatry & Neurology - Psychiatry in Cambridge, MA

Q: What is Jeffrey Lam's NPI number?

The NPI number for Jeffrey Lam is 1336899400. It was assigned to this individual provider in the NPPES registry on March 24, 2022.

Q: What is Jeffrey Lam's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Lam was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.

Active since March 24, 2022PECOS Enrolled

1493 CAMBRIDGE ST, CAMBRIDGE, MA 02139(617) 665-1000 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Jeffrey A Lam NPPES

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

JEFFREY A LAM (NPI 1336899400) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (1023660) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (2022).

NPPES Registry Identity

NPI1336899400

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameJEFFREY A LAM

Location Address1493 CAMBRIDGE STCambridge, MA 02139-1047

Mailing Address1493 Cambridge StCambridge, MA 02139-1047 · (617) 665-1000

Phone(617) 665-1000

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2022

Enumeration DateMarch 24, 2022

Last NPPES UpdateJune 2, 2026

NPPES CertifiedJune 2, 2026

✔ NPI 1336899400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MA · 1023660

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 294038 (MA)

1493 CAMBRIDGE ST, Cambridge, MA 02139

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jeffrey A Lam is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8224414321

PECOS Enrollment IDI20260617002834

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 02139 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.

ZACHARY OLIFF DO

Emergency Medicine