ANDREA HARRELL CHIAVARINI MD
NPI 1255536405
Preventive Medicine - Addiction Medicine in Portland, OR
About Andrea Harrell Chiavarini Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREA HARRELL CHIAVARINI MD (NPI 1255536405) is an individual addiction medicine provider in Portland, Oregon, licensed in Oregon (MD27441) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.
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)
Andrea Harrell Chiavarini Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrea Chiavarini reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tigard, OR 97223
- Reassigned Medicare billing, Oregon enrollment
- 18 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97227
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 Andrea Chiavarini's NPI number?
The NPI number for Andrea Chiavarini is 1255536405. It was assigned to this individual provider in the NPPES registry on June 18, 2007.
Where is Andrea Chiavarini located?
Andrea Chiavarini practices at 1535 N Williams Ave, Portland, OR 97227. The listed phone number is (503) 238-2067.
What is Andrea Chiavarini's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.
Is Andrea Chiavarini enrolled in Medicare?
Yes. Andrea Chiavarini is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrea Chiavarini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Chiavarini reassigns Medicare benefits to Recovery Works NW LLC (Tigard, 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 Andrea Chiavarini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrea Chiavarini accept?
Health plans from Moda Health Plan, Inc. and PacificSource Health Plans list Andrea Chiavarini 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 Andrea Chiavarini was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Andrea Harrell Chiavarini, MD · NPI 1255536405
Addiction Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since June 18, 2007.
## Identity
- **NPI:** 1255536405 (Entity type: Individual)
- **Enumerated:** June 18, 2007
- **Primary specialty:** Preventive Medicine - Addiction Medicine · taxonomy 2083A0300X
- **State license:** MD27441 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1535 N WILLIAMS AVE, Portland, OR 97227-1885
- **Phone:** (503) 238-2067
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Recovery Works NW LLC (NPI 1083010094, Tigard, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1255536405) · Data from the CMS NPPES public registry.