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

MS. LAUREN ASHLEY O'SULLIVAN LICSW
NPI 1508291345
Social Worker in West Springfield, MA

Q: What is Lauren O'sullivan's NPI number?

The NPI number for Lauren O'sullivan is 1508291345. It was assigned to this individual provider in the NPPES registry on September 12, 2013.

Q: What is Lauren O'sullivan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lauren O'sullivan was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.

Active since September 12, 2013PECOS Enrolled

1129 RIVERDALE ST # 1009, WEST SPRINGFIELD, MA 01089(413) 750-8581 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ms. Lauren Ashley O'sullivan Licsw NPPES

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

MS. LAUREN ASHLEY O'SULLIVAN LICSW (NPI 1508291345) is an individual social worker in West Springfield, Massachusetts and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1508291345

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMS. LAUREN ASHLEY O'SULLIVANCredential: LICSW

Location Address1129 RIVERDALE ST # 1009West Springfield, MA 01089-4615

Mailing Address7 Westbrook StEast Hartford, CT 06108-3448 · (413) 750-8581

Phone(413) 750-8581

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateSeptember 12, 2013

Last NPPES UpdateJuly 5, 2026

NPPES CertifiedJuly 5, 2026

✔ NPI 1508291345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

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.

1129 RIVERDALE ST # 1009, West Springfield, MA 01089

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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 (PECOS)

Ms. Lauren Ashley O'sullivan Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214326149

PECOS Enrollment IDI20211116000979

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 Lauren O'sullivan's NPI number?

The NPI number for Lauren O'sullivan is 1508291345. It was assigned to this individual provider in the NPPES registry on September 12, 2013.

Where is Lauren O'sullivan located?

Lauren O'sullivan practices at 1129 Riverdale St # 1009, West Springfield, MA 01089. The listed phone number is (413) 750-8581.

What is Lauren O'sullivan's specialty?

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

Is Lauren O'sullivan enrolled in Medicare?

Yes. Lauren O'sullivan is registered in the Medicare PECOS enrollment system.

What insurance does Lauren O'sullivan accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Lauren O'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 Lauren O'sullivan was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.