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ETHAN GRANT JAFFEE MD
NPI 1366893265
Psychiatry & Neurology - Psychiatry in Cambridge, MA

Active since June 22, 2016Opted out of Medicare · through Feb 26, 2028
156 MOUNT AUBURN ST, CAMBRIDGE, MA 02138(617) 430-6478 Get Directions Write a Review

NPPES record last updated: June 26, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 26, 2024, Jun 22, 2016 (2 updates tracked since 2016).

About Ethan Grant Jaffee Md NPPES

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

ETHAN GRANT JAFFEE MD (NPI 1366893265) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (277249) and active in the NPI registry since June 2016. He has opted out of Medicare through February 26, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1366893265
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameETHAN GRANT JAFFEECredential: MD
Location Address156 MOUNT AUBURN STCambridge, MA 02138-4875
Mailing Address156 Mount Auburn StCambridge, MA 02138-4875 · (617) 430-6478
Phone(617) 430-6478
Sole ProprietorYes
Enumeration DateJune 22, 2016
Last NPPES UpdateJune 26, 20242 updates tracked since enumeration
NPPES CertifiedJune 26, 2024
✔ NPI 1366893265 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 · 277249
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.
156 MOUNT AUBURN ST, Cambridge, MA 02138
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ethan Grant Jaffee Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 26, 2026 through February 26, 2028.

Opt-Out Effective DateFebruary 26, 2026
Opt-Out In Effect ThroughFebruary 26, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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 3

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

ELIZABETH PUGH M.D.
Psychiatry & Neurology (Psychiatry)
156 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 484-7245
KYLE MARIE CARNEY LICSW
Social Worker (Clinical)
156 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 492-4834
HITHE PSYCHIATRY GROUP, PLLC
Psychiatry & Neurology (Psychiatry)
156 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 238-0836

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 Ethan Jaffee's NPI number?

The NPI number for Ethan Jaffee is 1366893265. It was assigned to this individual provider in the NPPES registry on June 22, 2016.

Where is Ethan Jaffee located?

Ethan Jaffee practices at 156 Mount Auburn St, Cambridge, MA 02138. The listed phone number is (617) 430-6478.

What is Ethan Jaffee's specialty?

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

Is Ethan Jaffee enrolled in Medicare?

No. Ethan Jaffee has opted out of Medicare through February 26, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Ethan Jaffee was last updated on June 26, 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.