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CALEB GARDNER MD
NPI 1871906537
Psychiatry & Neurology - Psychiatry in Cambridge, MA

Active since June 10, 2014Opted out of Medicare · through Nov 28, 2027
875 MASS AVE STE 21, CAMBRIDGE, MA 02139(617) 665-1000 Get Directions Write a Review

NPPES record last updated: July 7, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Caleb Gardner Md NPPES

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

CALEB GARDNER MD (NPI 1871906537) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (273877) and active in the NPI registry since June 2014. He has opted out of Medicare through November 28, 2027.

NPPES Registry Identity

NPI1871906537
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameCALEB GARDNERCredential: MD
Location Address875 MASS AVE STE 21Cambridge, MA 02139-3070
Mailing Address58 Highland StCambridge, MA 02138-3332 · (617) 480-6946
Phone(617) 665-1000
Sole ProprietorYes
Enumeration DateJune 10, 2014
Last NPPES UpdateJuly 7, 2021
NPPES CertifiedJuly 7, 2021
✔ NPI 1871906537 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 · 273877
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.
875 MASS AVE STE 21, 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

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Opted out of Medicare

Caleb Gardner 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 November 28, 2023 through November 28, 2027.

Opt-Out Effective DateNovember 28, 2023
Opt-Out In Effect ThroughNovember 28, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Caleb Gardner's NPI number?

The NPI number for Caleb Gardner is 1871906537. It was assigned to this individual provider in the NPPES registry on June 10, 2014.

Where is Caleb Gardner located?

Caleb Gardner practices at 875 Mass Ave Ste 21, Cambridge, MA 02139. The listed phone number is (617) 665-1000.

What is Caleb Gardner's specialty?

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

Is Caleb Gardner enrolled in Medicare?

No. Caleb Gardner has opted out of Medicare through November 28, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Caleb Gardner was last updated on July 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.