LIANA MCMILLAN LPC
NPI 1629547872
Counselor - Mental Health in Portland, OR
About Liana Mcmillan Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIANA MCMILLAN LPC (NPI 1629547872) is an individual mental health provider in Portland, Oregon, licensed in Oregon (C8873) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Liana Mcmillan Lpc 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 Liana Mcmillan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mountlake Terrace, WA 98043
- Reassigned Medicare billing, Oregon enrollment
- 234 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.
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Liana Mcmillan's NPI number?
The NPI number for Liana Mcmillan is 1629547872. It was assigned to this individual provider in the NPPES registry on November 16, 2018.
Where is Liana Mcmillan located?
Liana Mcmillan practices at 5441 S Macadam Ave Ste R, Portland, OR 97239. The listed phone number is (352) 875-4094.
What is Liana Mcmillan's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Liana Mcmillan enrolled in Medicare?
Yes. Liana Mcmillan 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 Liana Mcmillan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Liana Mcmillan reassigns Medicare benefits to Mindful Therapy Group PC (Mountlake Terrace, WA). 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 Liana Mcmillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Liana Mcmillan accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Liana Mcmillan 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 Liana Mcmillan was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Liana Mcmillan, LPC · NPI 1629547872
Mental Health provider in Portland, Oregon. Individual provider, active in the CMS NPPES registry since November 16, 2018.
## Identity
- **NPI:** 1629547872 (Entity type: Individual)
- **Enumerated:** November 16, 2018
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** C8873 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 5441 S MACADAM AVE STE R, Portland, OR 97239-3822
- **Phone:** (352) 875-4094
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mindful Therapy Group PC (NPI 1316238678, Mountlake Terrace, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 2, 2026
- **Other identifiers:** Medicaid 2133534 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1629547872) · Data from the CMS NPPES public registry.