NPPES file of Aug 9, 2026

Karin Tiernan, LADC I

Addiction (Substance Use Disorder) Counselor · New Bedford, MA

Karin Tiernan, LADC I is an addiction (substance use disorder) counselor with a practice address in New Bedford, Massachusetts, and NPI 1922465798, issued on Jan 25, 2016. Check the license (Massachusetts 20-5054049, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922465798
Name
Karin Tiernan
Credential
LADC I
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
20-5054049 MA
Self-reported in NPPES; status is on the state search
Practice location
488 Pleasant St Ste 5, New Bedford, MA 02740
Phone
(508) 789-5637
Enumerated
Jan 25, 2016
Record last updated
Feb 3, 2026
Fax
(774) 389-1705
Medicare enrollment
Enrolled (PECOS I20250424001797); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest addiction (substance use disorder) counselor records → All 2,375 in Massachusetts → Look up another NPI →

Verify Karin Tiernan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 20-5054049    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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Karin Tiernan among 2,375 addiction (substance use disorder) counselor records in Massachusetts

Karin Tiernan, LADC I is one of 2,375 addiction (substance use disorder) counselor records with a practice address in Massachusetts. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 42% of them.

  • NPI issued2016 · 42% of these records are older, 54% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2018 · median 2013 among the 103 with a school on file
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

223 addiction (substance use disorder) counselor records list a practice address in New Bedford

They are 223 of the 2,230 NPPES records with a practice address in New Bedford, and 2,375 addiction (substance use disorder) counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,375 in Massachusetts → Every provider in New Bedford → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. John AgboolaNew Bedford, MA 027401093991085
  2. Janette ArrudaNew Bedford, MA 027401730254806
  3. Wendy Bluis, CACNew Bedford, MA 027401568586782
  4. Susan Dumont, LMHCNew Bedford, MA 027401235202383
  5. Tracie Joseph, LCSWNew Bedford, MA 027401366640476
  6. Richard LewisNew Bedford, MA 027401265481956
  7. Margaret PeartNew Bedford, MA 027401922175157
  8. Ronald RaymondNew Bedford, MA 027401669671905

Common questions

What is Karin Tiernan, LADC I's NPI number?

Karin Tiernan, LADC I's National Provider Identifier (NPI) is 1922465798, issued on Jan 25, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Karin Tiernan, LADC I located?

The NPPES record lists a practice address at 488 Pleasant St Ste 5, New Bedford, MA, 02740. Phone: (508) 789-5637. Providers update this record themselves, so call before visiting.

How can I verify Karin Tiernan, LADC I's license?

NPPES lists Massachusetts license number 20-5054049, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.