MS. MARY THERESE HARRINGTON LCSW
NPI 1124004254
Counselor - Addiction (Substance Use Disorder) in Irvington, NY
About Ms. Mary Therese Harrington Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARY THERESE HARRINGTON LCSW (NPI 1124004254) is an individual addiction (substance use disorder) provider in Irvington, New York, licensed in New York (R055967) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Mary Therese Harrington Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Harrington's NPI number?
The NPI number for Mary Harrington is 1124004254. It was assigned to this individual provider in the NPPES registry on December 20, 2005.
Where is Mary Harrington located?
Mary Harrington practices at 1 Bridge St Suite 22, Irvington, NY 10533. The listed phone number is (914) 589-3293.
What is Mary Harrington's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Mary Harrington enrolled in Medicare?
Yes. Mary Harrington is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mary Harrington accept?
Health plans from Providence Health Plan list Mary Harrington as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Harrington was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Ms. Mary Therese Harrington, LCSW · NPI 1124004254
Addiction (Substance Use Disorder) provider in Irvington, New York. Individual provider, active in the CMS NPPES registry since December 20, 2005.
## Identity
- **NPI:** 1124004254 (Entity type: Individual)
- **Enumerated:** December 20, 2005
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** R055967 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 BRIDGE ST, SUITE 22, Irvington, NY 10533-1543
- **Phone:** (914) 589-3293 · **Fax:** (914) 667-1494
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** September 11, 2025
- **Other identifiers:** Medicaid 02753280 (NY); Other 789463 (NY); Other P3663895 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1124004254) · Data from the CMS NPPES public registry.