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SHANNON M. O'SULLIVAN LPC
NPI 1659743581
Counselor - Professional in Erie, PA

Active since October 30, 2015PECOS Enrolled
17 MERLINE AVE, ERIE, PA 16509(814) 806-5406(814) 920-7108 Get Directions Write a Review

NPPES record last updated: June 18, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 18, 2019, Jan 10, 2018, Dec 14, 2016 (3 updates tracked since 2016).

About Shannon M. O'sullivan Lpc NPPES

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

SHANNON M. O'SULLIVAN LPC (NPI 1659743581) is an individual professional provider in Erie, Pennsylvania and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in Erie.

NPPES Registry Identity

NPI1659743581
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameSHANNON M. O'SULLIVANCredential: LPC
Location Address17 MERLINE AVEErie, PA 16509-1567
Mailing Address17 Merline AvenueErie, PA 16509-1567 · (814) 806-5406 · Fax (814) 920-7108
Phone(814) 806-5406
Fax(814) 920-7108
Sole ProprietorNo
Enumeration DateOctober 30, 2015
Last NPPES UpdateJune 18, 20193 updates tracked since enumeration
✔ NPI 1659743581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
17 MERLINE AVE, Erie, PA 16509
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Secondary Practice Location 1

Location 12700 W 21st St Ste 6LErie, PA 16506-2972 · Phone (814) 806-5406 · Fax (814) 920-7108

Other Identifiers 1

Other1518473891PA · Group Npi

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Shannon M. O'sullivan Lpc 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.

Medicare Billing Reassignment

Medicare enrollment records show Shannon O'sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Let's Conquer This, LLC
Same address
Clinical
17 MERLINE AVE
Erie, PA 16509
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: Lets Conquer This, LLC
  • 2 clinicians in this Medicare group
NPI 1518473891 (814) 566-0374

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 6

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

MARY KATHLEEN DITULLIO CRNP
Nurse Practitioner
17 MERLINE AVE
ERIE, PA 16509
Erie County (814) 868-9484
ALYSSA BEER LCSW
Social Worker (Clinical)
17 MERLINE AVE
ERIE, PA 16509
Erie County (814) 566-0374
MARCIE GRIBBIN
Counselor (Professional)
17 MERLINE AVE
ERIE, PA 16509
Erie County (814) 314-9281
LET'S CONQUER THIS, LLC
Social Worker (Clinical)
17 MERLINE AVE
ERIE, PA 16509
Erie County (814) 566-0374
REGIONAL HEALTH SERVICES, INC.
Clinical Medical Laboratory
17 MERLINE AVE
ERIE, PA 16509
Erie County (814) 868-9484
REGIONAL HEALTH SERVICES, INC.
Clinical Medical Laboratory
17 MERLINE AVE
ERIE, PA 16509
Erie County (814) 868-9484

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 Shannon O'sullivan's NPI number?

The NPI number for Shannon O'sullivan is 1659743581. It was assigned to this individual provider in the NPPES registry on October 30, 2015.

Where is Shannon O'sullivan located?

Shannon O'sullivan practices at 17 Merline Ave, Erie, PA 16509. The listed phone number is (814) 806-5406.

What is Shannon O'sullivan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Shannon O'sullivan enrolled in Medicare?

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

Which organization bills Medicare for Shannon O'sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon O'sullivan reassigns Medicare benefits to Let's Conquer This, LLC (Erie, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Shannon O'sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Shannon O'sullivan was last updated on June 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.