ALYSSA CASTILLO
NPI 1942080346
Nurse Practitioner - Family in Portland, OR
About Alyssa Castillo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA CASTILLO (NPI 1942080346) is an individual family provider in Portland, Oregon, licensed in Oregon (10015482) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, is affiliated with Legacy Mount Hood Medical Center, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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
Alyssa Castillo 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 Reassignments
2Medicare enrollment records show Alyssa Castillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97210
- Reassigned Medicare billing, Oregon and Washington enrollments
- 1,248 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 754 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Legacy Mount Hood Medical Center
Acute Care Hospitals · Gresham, ORPeacehealth Southwest Medical Center
Acute Care Hospitals · Vancouver, WALegacy Salmon Creek Medical Center
Acute Care Hospitals · Vancouver, WAPhysician 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.
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 Alyssa Castillo's NPI number?
The NPI number for Alyssa Castillo is 1942080346. It was assigned to this individual provider in the NPPES registry on October 3, 2023.
Where is Alyssa Castillo located?
Alyssa Castillo practices at 3811 N Albina Ave Apt B106, Portland, OR 97227. The listed phone number is (510) 648-8036.
What is Alyssa Castillo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Alyssa Castillo enrolled in Medicare?
Yes. Alyssa Castillo 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 organizations bill Medicare for Alyssa Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Castillo reassigns Medicare benefits to 2 organizations: Legacy Clinics LLC (Portland, OR) and Legacy Salmon Creek Hospital (Vancouver, WA). Each 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 Alyssa Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyssa Castillo accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Alyssa Castillo 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.
Is Alyssa Castillo affiliated with any hospitals?
According to CMS data, Alyssa Castillo is affiliated with Legacy Mount Hood Medical Center, Peacehealth Southwest Medical Center and Legacy Salmon Creek Medical Center.
When was this NPI record last updated?
The NPPES record for Alyssa Castillo was last updated on October 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.