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

ELENI SPEROPULOS
NPI 1275953366
Counselor - Addiction (Substance Use Disorder) in Milwaukie, OR

Active since April 16, 2014PECOS EnrolledAccepts Medicare Assignment
6605 SE LAKE RD, MILWAUKIE, OR 97222(503) 655-8401 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 16, 2026, Oct 30, 2022 (2 updates tracked since 2022).

About Eleni Speropulos NPPES

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

ELENI SPEROPULOS (NPI 1275953366) is an individual addiction (substance use disorder) provider in Milwaukie, Oregon and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1275953366
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameELENI SPEROPULOS
Location Address6605 SE LAKE RDMilwaukie, OR 97222-2161
Mailing Address998 Library CtOregon City, OR 97045-4041 · (503) 655-8401
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 16, 2014
Last NPPES UpdateSeptember 16, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2026
✔ NPI 1275953366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedMarriage & Family TherapistTaxonomy 106H00000X
6605 SE LAKE RD, Milwaukie, OR 97222

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 Speropulos 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 ID4587197520
PECOS Enrollment IDI20241029001952
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 Speropulos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
6605 SE LAKE ROAD
Milwaukie, OR 97222
  • Reassigned Medicare billing, Oregon enrollment
  • 130 clinicians in this Medicare group

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.

Social Worker (Clinical)
6605 SE LAKE RD
MILWAUKIE, OR 97222
Case Manager/Care Coordinator
6605 SE LAKE RD
MILWAUKIE, OR 97222
Social Worker (Clinical)
6605 SE LAKE RD
MILWAUKIE, OR 97222
Counselor (Mental Health)
6605 SE LAKE RD
MILWAUKIE, OR 97222
Psychiatry & Neurology (Child & Adolescent Psychiatry)
6605 SE LAKE RD
MILWAUKIE, OR 97222
Case Manager/Care Coordinator
6605 SE LAKE RD
MILWAUKIE, OR 97222
Counselor (Mental Health)
6605 SE LAKE RD
MILWAUKIE, OR 97222
Case Manager/Care Coordinator
6605 SE LAKE RD
MILWAUKIE, OR 97222

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 Speropulos's NPI number?

The NPI number for Eleni Speropulos is 1275953366. It was assigned to this individual provider in the NPPES registry on April 16, 2014.

Where is Eleni Speropulos located?

Eleni Speropulos practices at 6605 SE Lake Rd, Milwaukie, OR 97222. The listed phone number is (503) 655-8401.

What is Eleni Speropulos's specialty?

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

Is Eleni Speropulos enrolled in Medicare?

Yes. Eleni Speropulos 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 Speropulos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eleni Speropulos reassigns Medicare benefits to County Of Clackamas Office Of County Auditor (Milwaukie, OR). 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 Speropulos'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 Speropulos was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.