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IRENE KATHERINE KOSTELOS LMHC
NPI 1750232484
Counselor - Mental Health in Marlborough, MA

Active since February 09, 2026
12 ANDREWS RD, MARLBOROUGH, MA 01752(508) 596-7975 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Irene Katherine Kostelos Lmhc NPPES

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

IRENE KATHERINE KOSTELOS LMHC (NPI 1750232484) is an individual mental health provider in Marlborough, Massachusetts, licensed in Massachusetts (LMH10003735) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1750232484
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameIRENE KATHERINE KOSTELOSCredential: LMHC
Location Address12 ANDREWS RDMarlborough, MA 01752-1359
Mailing Address12 Andrews RdMarlborough, MA 01752-1359 · (508) 596-7975
Phone(508) 596-7975
Sole ProprietorYes
Enumeration DateFebruary 9, 2026
NPPES CertifiedFebruary 8, 2026
✔ NPI 1750232484 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 · LMH10003735
12 ANDREWS RD, Marlborough, MA 01752
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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 Irene Kostelos's NPI number?

The NPI number for Irene Kostelos is 1750232484. It was assigned to this individual provider in the NPPES registry on February 9, 2026.

Where is Irene Kostelos located?

Irene Kostelos practices at 12 Andrews Rd, Marlborough, MA 01752. The listed phone number is (508) 596-7975.

What is Irene Kostelos'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 Irene Kostelos was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.