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

NICOLAS HERNAN SMIETNIANSKY LMHC
NPI 1205740180
Counselor - Mental Health in East Boston, MA

Active since September 29, 2026
10 GOVE ST, EAST BOSTON, MA 02128(617) 569-5800(617) 568-6193 Get Directions Write a Review

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

About Nicolas Hernan Smietniansky Lmhc NPPES

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

NICOLAS HERNAN SMIETNIANSKY LMHC (NPI 1205740180) is an individual mental health provider in East Boston, Massachusetts, licensed in Massachusetts (LMHC10006349) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1205740180
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameNICOLAS HERNAN SMIETNIANSKYCredential: LMHC
Location Address10 GOVE STEast Boston, MA 02128-1920
Mailing Address10 Gove StEast Boston, MA 02128-1920 · (617) 569-5800
Phone(617) 569-5800
Fax(617) 568-6193
Sole ProprietorNo
Enumeration DateSeptember 29, 2026
NPPES CertifiedSeptember 29, 2026
✔ NPI 1205740180 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 · LMHC10006349
10 GOVE ST, East Boston, MA 02128
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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.

DR. SUTAPA GHOSH M.D.
Obstetrics & Gynecology
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800
ANU RUPA MEHRA MD
Family Medicine
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800
SHEREEN MOHIUDDIN M.D.
Family Medicine (Geriatric Medicine)
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800
DOMINIQUE CARUSO MURPHY PA-C
Physician Assistant (Medical)
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800
MS. CAITLIN R CROWLEY FNP-BC
Nurse Practitioner (Family)
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800
KARIN LESCHLY M.D.
Family Medicine
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800
LILIANA MANTILLA LMHC
Counselor (Mental Health)
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800
ARILENE I. HERNANDEZ LCSW
Social Worker (Clinical)
10 GOVE ST
EAST BOSTON, MA 02128
Suffolk County (617) 569-5800

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 Nicolas Smietniansky's NPI number?

The NPI number for Nicolas Smietniansky is 1205740180. It was assigned to this individual provider in the NPPES registry on September 29, 2026.

Where is Nicolas Smietniansky located?

Nicolas Smietniansky practices at 10 Gove St, East Boston, MA 02128. The listed phone number is (617) 569-5800.

What is Nicolas Smietniansky'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 Nicolas Smietniansky 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.