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MRS. DIANA LYNN NULLINER LCSW
NPI 1649650847
Social Worker - Clinical in Portland, OR

Active since June 02, 2015PECOS Enrolled
500 NE MULTNOMAH ST, PORTLAND, OR 97232(503) 813-4727(187) 789-9558 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 26, 2026, Dec 20, 2021 (2 updates tracked since 2021).

About Mrs. Diana Lynn Nulliner Lcsw NPPES

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

MRS. DIANA LYNN NULLINER LCSW (NPI 1649650847) is an individual clinical provider in Portland, Oregon, licensed in Oregon (L6487) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649650847
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. DIANA LYNN NULLINERCredential: LCSW
Location Address500 NE MULTNOMAH STPortland, OR 97232-2023
Mailing Address500 Ne Multnomah StPortland, OR 97232-2023 · (503) 813-4727 · Fax (187) 789-9558
Phone(503) 813-4727
Fax(187) 789-9558
Sole ProprietorNo
Enumeration DateJune 2, 2015
Last NPPES UpdateMay 26, 20262 updates tracked since enumeration
NPPES CertifiedMay 26, 2026
✔ NPI 1649650847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in OR · L6487✔ Licensed in WA · LW60597767
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
500 NE MULTNOMAH ST, Portland, OR 97232
Open in Google Maps ↗

Other Names 1

Former Name (1)Ms. Diana Lynn Thomas Lcsw

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Diana Lynn Nulliner Lcsw 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 Diana Nulliner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Northwest
Same address
General Practice
500 NE MULTNOMAH ST
Portland, OR 97232
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • 3,207 clinicians in this Medicare group
NPI 1184786527 (503) 813-2440

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97232 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $58.99 – $176.88
Typical copayment $0.00 (range $14.74 – $44.22)
Most-billed visit code NA
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

NORTHWEST PERMANENTE, P.C.
Family Medicine
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Multnomah County (503) 813-3860
AMANDA M POR OTR/L
Occupational Therapist
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Multnomah County (800) 813-2000
DR. GLENN GERARD ABANO VALENZUELA M.D.
Anesthesiology
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Multnomah County (503) 813-3860
ILEANA IUGA
Physical Therapist (Geriatrics)
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Multnomah County (503) 499-5200
JOSEPH GERARD GARDINER
Counselor (Mental Health)
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Multnomah County (503) 249-3434
REBECCA VILEVAC PT
Physical Therapist
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Multnomah County (800) 813-2000
KRISTYN DEMELLO
Nurse Practitioner (Acute Care)
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Multnomah County (877) 221-8221
JODI KAY SETTELMEYER PT
Physical Therapist
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Multnomah County (503) 778-2498

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 Diana Nulliner's NPI number?

The NPI number for Diana Nulliner is 1649650847. It was assigned to this individual provider in the NPPES registry on June 2, 2015. The provider is also known as Ms. Diana Lynn Thomas Lcsw.

Where is Diana Nulliner located?

Diana Nulliner practices at 500 NE Multnomah St, Portland, OR 97232. The listed phone number is (503) 813-4727.

What is Diana Nulliner's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Diana Nulliner enrolled in Medicare?

Yes. Diana Nulliner is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diana Nulliner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Nulliner reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Portland, 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 Diana Nulliner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Nulliner accept?

Health plans from Kaiser Permanente list Diana Nulliner 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 Diana Nulliner was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.