SHANNON ANASTASIADIS PMHNP-BC LLC
NPI 1255279840
Nurse Practitioner - Psychiatric/Mental Health in Portland, OR
About Shannon Anastasiadis Pmhnp-bc Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON ANASTASIADIS PMHNP-BC LLC (NPI 1255279840), doing business as Anastasiadis Mental Health, is a healthcare organization registered as a psychiatric/mental health in Portland, Oregon and active in the NPI registry since March 2026. The organization lists Shannon Anastasiadis, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Shannon Anastasiadis Pmhnp-bc Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Shannon Anastasiadis Pmhnp-Bc LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Shannon Anastasiadis Pmhnp-Bc LLC's NPI number?
The NPI number for Shannon Anastasiadis Pmhnp-Bc LLC is 1255279840. It was assigned to this organization in the NPPES registry on March 24, 2026. The provider is doing business as Anastasiadis Mental Health.
Where is Shannon Anastasiadis Pmhnp-Bc LLC located?
Shannon Anastasiadis Pmhnp-Bc LLC is located at 1827 NE 44th Ave Ste 315, Portland, OR 97213. The listed phone number is (503) 735-5230.
What is Shannon Anastasiadis Pmhnp-Bc LLC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Shannon Anastasiadis Pmhnp-Bc LLC enrolled in Medicare?
Yes. Shannon Anastasiadis Pmhnp-Bc LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Shannon Anastasiadis Pmhnp-Bc LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Shannon Anastasiadis Pmhnp-Bc LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Shannon Anastasiadis Pmhnp-Bc LLC accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Shannon Anastasiadis Pmhnp-Bc LLC 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 Shannon Anastasiadis Pmhnp-Bc LLC was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Shannon Anastasiadis Pmhnp-Bc Llc · NPI 1255279840
Psychiatric/Mental Health organization in Portland, Oregon. Organization record, active in the CMS NPPES registry since March 24, 2026.
## Identity
- **NPI:** 1255279840 (Entity type: Organization)
- **Enumerated:** March 24, 2026
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Also known as:** Anastasiadis Mental Health (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Shannon Anastasiadis, OWNER
## Practice location
- **Address:** 1827 NE 44TH AVE STE 315, Portland, OR 97213-1467
- **Phone:** (503) 735-5230
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255279840) · Data from the CMS NPPES public registry.