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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. JACQUELYN MARIE O'CONNOR LICSW
NPI 1689836827
Social Worker in Nashua, NH

Active since June 30, 2008PECOS Enrolled
11 N SOUTHWOOD DR, NASHUA, NH 03063(603) 880-1590(603) 880-1598 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 12, 2026, Aug 2, 2018, Mar 21, 2017 (3 updates tracked since 2017).

About Mrs. Jacquelyn Marie O'connor Licsw NPPES

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

MRS. JACQUELYN MARIE O'CONNOR LICSW (NPI 1689836827) is an individual social worker in Nashua, New Hampshire, licensed in New Hampshire (2003) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1689836827
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMRS. JACQUELYN MARIE O'CONNORCredential: LICSW
Location Address11 N SOUTHWOOD DRNashua, NH 03063
Mailing Address452 Old Street RdPeterborough, NH 03458 · (603) 924-4699 · Fax (603) 924-4667
Phone(603) 880-1590
Fax(603) 880-1598
Sole ProprietorYes
Enumeration DateJune 30, 2008
Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1689836827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NH · 2003
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
11 N SOUTHWOOD DR, Nashua, NH 03063
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Secondary Practice Locations 2

Location 1452 Old Street RdPeterborough, NH 03458-1263 · Phone (603) 924-4699 ext. 1140 · Fax (603) 924-4667
Location 21 Medical Center DrLebanon, NH 03756-0001 · Phone (603) 650-5000 ext. 05000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Jacquelyn Marie O'connor Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES 2

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

NASHUA REGIONAL CANCER CENTER INC
Clinic/Center (Oncology, Radiation)
11 N SOUTHWOOD DR
NASHUA, NH 03063
Hillsborough County (603) 880-1590
ETIN-OSA OSA
Radiology (Radiation Oncology)
11 N SOUTHWOOD DR
NASHUA, NH 03063
Hillsborough County (603) 880-1590

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 Jacquelyn O'connor's NPI number?

The NPI number for Jacquelyn O'connor is 1689836827. It was assigned to this individual provider in the NPPES registry on June 30, 2008.

Where is Jacquelyn O'connor located?

Jacquelyn O'connor practices at 11 N Southwood Dr, Nashua, NH 03063. The listed phone number is (603) 880-1590.

What is Jacquelyn O'connor's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Jacquelyn O'connor enrolled in Medicare?

Yes. Jacquelyn O'connor is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jacquelyn O'connor was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.