ANDREA HARRELL CHIAVARINI MD
NPI 1255536405
Preventive Medicine - Addiction Medicine in Portland, OR

Active since June 18, 2007PECOS Enrolled
1535 N WILLIAMS AVE, PORTLAND, OR 97227(503) 238-2067 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 12, 2020, Dec 12, 2017, Dec 1, 2017 (3 updates tracked since 2017).

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.

NPPES Registry Identity

NPI1255536405
Entity TypeIndividualFemale
Primary Taxonomy2083A0300X
Provider Legal NameANDREA HARRELL CHIAVARINICredential: MD
Location Address1535 N WILLIAMS AVEPortland, OR 97227-1885
Mailing Address232 Nw 6th AvePortland, OR 97209-3609
Sole ProprietorNo
Enumeration DateJune 18, 2007
Last NPPES UpdateJuly 14, 20253 updates tracked since enumeration
NPPES CertifiedJuly 14, 2025
NPI 1255536405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPreventive Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083A0300X
License Licensed in OR · MD27441
Definition
A physician engaged in the subspecialty practice of Addiction Medicine who specializes in the prevention, evaluation, diagnosis, treatment, and recovery of persons with the disease of addiction.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License MD60170852 (WA), MD27441 (OR)
1535 N WILLIAMS AVE, Portland, OR 97227

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Andrea Harrell Chiavarini Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant
1535 N WILLIAMS AVE
PORTLAND, OR 97227
Registered Nurse
1535 N WILLIAMS AVE
PORTLAND, OR 97227
Registered Nurse
1535 N WILLIAMS AVE
PORTLAND, OR 97227
Registered Nurse
1535 N WILLIAMS AVE
PORTLAND, OR 97227
Registered Nurse
1535 N WILLIAMS AVE
PORTLAND, OR 97227
Registered Nurse (Psychiatric/Mental Health)
1535 N WILLIAMS AVE
PORTLAND, OR 97227
Registered Nurse
1535 N WILLIAMS AVE
PORTLAND, OR 97227
Family Medicine (Addiction Medicine)
1535 N WILLIAMS AVE
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.

What insurance does Andrea Chiavarini accept?

Health plans from BridgeSpan Health Company, PacificSource Health Plans and Regence BlueCross BlueShield of Oregon 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 13 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.