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

ARIANA SANTO LMHC
NPI 1619881604
Counselor - Mental Health in Belmont, MA

Active since September 29, 2026
115 MILL ST, BELMONT, MA 02478(617) 955-6366(617) 855-3409 Get Directions Write a Review

NPPES record added: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Ariana Santo Lmhc NPPES

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

ARIANA SANTO LMHC (NPI 1619881604) is an individual mental health provider in Belmont, Massachusetts, licensed in Massachusetts (LMHC10000931) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1619881604
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameARIANA SANTOCredential: LMHC
Location Address115 MILL STBelmont, MA 02478-1064
Mailing Address115 Mill StBelmont, MA 02478-1064 · (617) 955-6366 · Fax (617) 855-3409
Phone(617) 955-6366
Fax(617) 855-3409
Sole ProprietorYes
Enumeration DateSeptember 29, 2026
NPPES CertifiedSeptember 29, 2026
✔ NPI 1619881604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MA · LMHC10000931
115 MILL ST, Belmont, MA 02478
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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.

KATY TARELLA LICSW
Social Worker (Clinical)
115 MILL ST, MAILSTOP 137
BELMONT, MA 02478
Middlesex County (617) 855-4178
EVAN D MURRAY MD
Psychiatry & Neurology (Neurology)
115 MILL ST, MCLEAN HOSPITAL
BELMONT, MA 02478
Middlesex County (617) 855-2354
MIQVEH STEINHART
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3118
DANIELLE PACE PSYD
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-2000
DR. MARNI JOY CHANOFF MD
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3937
DR. NANCY ANN HUXLEY PH.D.
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3645
JOAN MARTHA COTTLER LICSW
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3623
PROF. BRUCE MICHAEL COHEN M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3227

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 Ariana Santo's NPI number?

The NPI number for Ariana Santo is 1619881604. It was assigned to this individual provider in the NPPES registry on September 29, 2026.

Where is Ariana Santo located?

Ariana Santo practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 955-6366.

What is Ariana Santo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Ariana Santo was last updated on September 29, 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.