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ELENI O'BRIEN MA,LPC, NCC
NPI 1497243539
Counselor - Professional in Pittsburgh, PA

Active since April 24, 2018PECOS EnrolledAccepts Medicare Assignment
4 ALLEGHENY CTR FL 8, PITTSBURGH, PA 15212(412) 330-4000 Get Directions Write a Review

NPPES record last updated: June 4, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 4, 2024, Jan 13, 2020, Apr 24, 2018 (3 updates tracked since 2018).

About Eleni O'brien Ma,lpc, Ncc NPPES

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

ELENI O'BRIEN MA,LPC, NCC (NPI 1497243539) is an individual professional provider in Pittsburgh, Pennsylvania and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1497243539
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameELENI O'BRIENCredential: MA,LPC, NCC
Location Address4 ALLEGHENY CTR FL 8Pittsburgh, PA 15212-5255
Mailing Address4 Allegheny Ctr Fl 8Pittsburgh, PA 15212-5255 · (412) 330-4000
Phone(412) 330-4000
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateApril 24, 2018
Last NPPES UpdateJune 4, 20243 updates tracked since enumeration
NPPES CertifiedJune 4, 2024
✔ NPI 1497243539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
4 ALLEGHENY CTR FL 8, Pittsburgh, PA 15212
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Eleni O'brien Ma,lpc, Ncc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082059886
PECOS Enrollment IDI20240304000717
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 Eleni O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allegheny Clinic
Same address
Psychiatry
4 ALLEGHENY CTR FL 8
Pittsburgh, PA 15212
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,881 clinicians in this Medicare group
NPI 1154321560 (412) 330-4000

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 20

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

LORI SIEGEL HAUSMAN PHD
Psychologist (Clinical)
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000
HONG-DIEM THI NGUYEN PA-C
Physician Assistant
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000
CARLA MAYORGA ALVAREZ PHD
Psychologist (Clinical)
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000
NICOLE KROLL M.S., L.P.C., N.C.C
Counselor (Professional)
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000
KATHERINE LEON
Social Worker (Clinical)
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000
KAREN YVONNE POWDRILL
Clinical Neuropsychologist
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000
DR. KATIE ALISSA HINZMAN D.O.
Psychiatry & Neurology (Psychiatry)
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000
SARAH KYSOR-ITRI PSYD
Psychologist
4 ALLEGHENY CTR FL 8
PITTSBURGH, PA 15212
Allegheny County (412) 330-4000

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 Eleni O'brien's NPI number?

The NPI number for Eleni O'brien is 1497243539. It was assigned to this individual provider in the NPPES registry on April 24, 2018.

Where is Eleni O'brien located?

Eleni O'brien practices at 4 Allegheny Ctr Fl 8, Pittsburgh, PA 15212. The listed phone number is (412) 330-4000.

What is Eleni O'brien's specialty?

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

Is Eleni O'brien enrolled in Medicare?

Yes. Eleni O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Eleni O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eleni O'brien reassigns Medicare benefits to Allegheny Clinic (Pittsburgh, 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 Eleni O'brien'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 Eleni O'brien was last updated on June 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.