ALISON KELSO DIANA LCSW
NPI 1760148993
Social Worker - Clinical in Portland, OR
About Alison Kelso Diana Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON KELSO DIANA LCSW (NPI 1760148993) is an individual clinical provider in Portland, Oregon, licensed in Oregon (7671) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Alison Kelso Diana Lcsw 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.
Medicare Billing Reassignment
Medicare enrollment records show Alison Diana reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97209
- Reassigned Medicare billing, Oregon enrollment
- Medicare enrollment name: Optum Behavioral Care Of Colorado PC
- 44 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97227 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alison Diana's NPI number?
The NPI number for Alison Diana is 1760148993. It was assigned to this individual provider in the NPPES registry on November 11, 2021.
Where is Alison Diana located?
Alison Diana practices at 3954 N Williams Ave, Portland, OR 97227. The listed phone number is (503) 683-2523.
What is Alison Diana's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Alison Diana enrolled in Medicare?
Yes. Alison Diana 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 Alison Diana's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Diana reassigns Medicare benefits to Optum Behavioral Care Of Colorado, P.C. (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 Alison Diana's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Diana accept?
Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Alison Diana 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 Alison Diana was last updated on November 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Alison Kelso Diana, LCSW · NPI 1760148993
Clinical provider in Portland, Oregon. Individual provider, active in the CMS NPPES registry since November 11, 2021.
## Identity
- **NPI:** 1760148993 (Entity type: Individual)
- **Enumerated:** November 11, 2021
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 7671 (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3954 N WILLIAMS AVE, Portland, OR 97227-1480
- **Phone:** (503) 683-2523
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Optum Behavioral Care Of Colorado, P.C. (NPI 1710711080, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** November 11, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1760148993) · Data from the CMS NPPES public registry.