Irene Kostelos, LMHC
NPI 1750232484 · Mental Health Counselor · Marlborough, MA
Irene Kostelos, LMHC is a Mental Health Counselor provider in Marlborough, MA (NPI 1750232484).
Provider details
- NPI number
- 1750232484
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- Yes
- License
- LMH10003735 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-02-09
- Last updated
- 2026-02-09
- Certified
- 2026-02-08
Frequently asked questions
- What is Irene Kostelos's NPI number?
- Irene Kostelos's National Provider Identifier (NPI) is 1750232484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Kostelos's specialty?
- Irene Kostelos is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Irene Kostelos located?
- Irene Kostelos's practice location on file with NPPES is 12 Andrews Rd, Marlborough, MA 01752-1359.
- What is Irene Kostelos's phone number?
- The practice phone number listed in the NPPES registry for Irene Kostelos is (508) 596-7975.
- Is Irene Kostelos's NPI active?
- Yes — Irene Kostelos's NPI (1750232484) is active in the NPPES registry as of the last update on 2026-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.