IAN MACKAY
NPI 1306365440
Social Worker in Portland, OR
About Ian Mackay NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN MACKAY (NPI 1306365440) is an individual social worker in Portland, Oregon and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Milwaukie, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Ian Mackay is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ian Mackay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
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 Ian Mackay's NPI number?
The NPI number for Ian Mackay is 1306365440. It was assigned to this individual provider in the NPPES registry on September 9, 2017.
Where is Ian Mackay located?
Ian Mackay practices at 1904 SE Division St, Portland, OR 97202. The listed phone number is (503) 517-8663.
What is Ian Mackay's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Ian Mackay enrolled in Medicare?
Yes. Ian Mackay is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ian Mackay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Mackay 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 Ian Mackay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Mackay accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Ian Mackay 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 Ian Mackay was last updated on June 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.