KARIN TIERNAN LADC I
NPI 1922465798
Counselor - Addiction (Substance Use Disorder) in New Bedford, MA

Q: What is Karin Tiernan's NPI number?

The NPI number for Karin Tiernan is 1922465798. It was assigned to this individual provider in the NPPES registry on January 25, 2016.

Q: What is Karin Tiernan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Karin Tiernan was last updated on February 3, 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.

Active since January 25, 2016PECOS EnrolledAccepts Medicare Assignment

488 PLEASANT ST STE 5, NEW BEDFORD, MA 02740(508) 789-5637(774) 389-1705 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 3, 2026, Jan 25, 2016 (2 updates tracked since 2016).

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About Karin Tiernan Ladc I NPPES

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

KARIN TIERNAN LADC I (NPI 1922465798) is an individual addiction (substance use disorder) provider in New Bedford, Massachusetts, licensed in Massachusetts (20-5054049) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1922465798

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameKARIN TIERNANCredential: LADC I

Location Address488 PLEASANT ST STE 5New Bedford, MA 02740-5904

Mailing Address488 Pleasant St Ste 5New Bedford, MA 02740-5904 · (508) 789-5637 · Fax (774) 389-1705

Phone(508) 789-5637

Fax(774) 389-1705

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateJanuary 25, 2016

Last NPPES UpdateFebruary 3, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 3, 2026

✔ NPI 1922465798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in MA · 20-5054049

488 PLEASANT ST STE 5, New Bedford, MA 02740

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Providence Health Plan.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

Karin Tiernan Ladc I 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.

PECOS PAC ID7113443904

PECOS Enrollment IDI20250424001797

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 Karin Tiernan's NPI number?

The NPI number for Karin Tiernan is 1922465798. It was assigned to this individual provider in the NPPES registry on January 25, 2016.

Where is Karin Tiernan located?

Karin Tiernan practices at 488 Pleasant St Ste 5, New Bedford, MA 02740. The listed phone number is (508) 789-5637.

What is Karin Tiernan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Karin Tiernan enrolled in Medicare?

Yes. Karin Tiernan 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 Karin Tiernan accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Karin Tiernan 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 Karin Tiernan was last updated on February 3, 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.