DR. ALVARIS W DUFFIS M.D.
NPI 1073556668
Radiology - Diagnostic Radiology in Santa Rosa, CA

Active since June 13, 2006PECOS Enrolled
3325 CHANATE RD, SANTA ROSA, CA 95404(707) 576-4475 Get Directions Write a Review

NPPES record last updated: January 4, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Alvaris W Duffis M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALVARIS W DUFFIS M.D. (NPI 1073556668) is an individual diagnostic radiology provider in Santa Rosa, California, licensed in California (G65560) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073556668
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. ALVARIS W DUFFISCredential: M.D.
Location Address3325 CHANATE RDSanta Rosa, CA 95404-1707
Mailing AddressPo Box 3222Napa, CA 94558-0293 · (707) 261-7882 · Fax (707) 256-3508
Sole ProprietorNo
Enumeration DateJune 13, 2006
Last NPPES UpdateJanuary 4, 2022
NPI 1073556668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in CA · G65560
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3325 CHANATE RD, Santa Rosa, CA 95404

Other Identifiers 1

Medicaid00G655600CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Alvaris W Duffis M.d. 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 95404 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
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$77.94 typical visit price
range $21.02 – $153.40
Typical copayment $19.48 (range $5.25 – $38.35)
Most-billed visit code 99213
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.

Internal Medicine (Critical Care Medicine)
3325 CHANATE RD
SANTA ROSA, CA 95404
Anesthesiology
3325 CHANATE RD
SANTA ROSA, CA 95404
Radiology (Diagnostic Radiology)
3325 CHANATE RD
SANTA ROSA, CA 95404
Physical Therapist
3325 CHANATE RD
SANTA ROSA, CA 95404
Anesthesiology
3325 CHANATE RD
SANTA ROSA, CA 95404
Nurse Practitioner
3325 CHANATE RD
SANTA ROSA, CA 95404
Anesthesiology
3325 CHANATE RD
SANTA ROSA, CA 95404
Nurse Practitioner (Family)
3325 CHANATE RD
SANTA ROSA, CA 95404

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 Alvaris Duffis's NPI number?

The NPI number for Alvaris Duffis is 1073556668. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Alvaris Duffis located?

Alvaris Duffis practices at 3325 Chanate Rd, Santa Rosa, CA 95404. The listed phone number is (707) 576-4475.

What is Alvaris Duffis's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Alvaris Duffis enrolled in Medicare?

Yes. Alvaris Duffis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alvaris Duffis was last updated on January 4, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.