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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. KERI SULLIVAN LADC-1
NPI 1205648672
Counselor - Addiction (Substance Use Disorder) in Lowell, MA

Active since January 23, 2025
100 MERRIMACK ST STE 201, LOWELL, MA 01852(978) 455-0756 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Keri Sullivan Ladc-1 NPPES

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

MRS. KERI SULLIVAN LADC-1 (NPI 1205648672) is an individual addiction (substance use disorder) provider in Lowell, Massachusetts, licensed in Massachusetts (25187) and active in the NPI registry since January 2025.

NPPES Registry Identity

NPI1205648672
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMRS. KERI SULLIVANCredential: LADC-1
Location Address100 MERRIMACK ST STE 201Lowell, MA 01852-1707
Mailing Address77 E Merrimack St Ste 15Lowell, MA 01852-1900 · (978) 848-8367
Phone(978) 455-0756
Sole ProprietorNo
Enumeration DateJanuary 23, 2025
Last NPPES UpdateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1205648672 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 · 25187
100 MERRIMACK ST STE 201, Lowell, MA 01852
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TRINITY CARE ASSOCIATE
Clinic/Center (Multi-Specialty)
100 MERRIMACK ST STE 201
LOWELL, MA 01852
Middlesex County (774) 420-1054
MICHELLE BLOOM MA
Counselor (Mental Health)
100 MERRIMACK ST STE 201
LOWELL, MA 01852
Middlesex County (978) 455-0756
ALEXANDRA T JONES LCSW
Social Worker (Clinical)
100 MERRIMACK ST STE 201
LOWELL, MA 01852
Middlesex County (978) 455-0756
ANGELA MICHAUD
In Home Supportive Care
100 MERRIMACK ST STE 201
LOWELL, MA 01852
Middlesex County (978) 455-0756

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 Keri Sullivan's NPI number?

The NPI number for Keri Sullivan is 1205648672. It was assigned to this individual provider in the NPPES registry on January 23, 2025.

Where is Keri Sullivan located?

Keri Sullivan practices at 100 Merrimack St Ste 201, Lowell, MA 01852. The listed phone number is (978) 455-0756.

What is Keri Sullivan's specialty?

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

What insurance does Keri Sullivan accept?

Health plans from Harvard Pilgrim Health Care list Keri Sullivan 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 Keri Sullivan was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.