DR. ERIC KEONI VIERRA O.D.
NPI 1609042811
Optometrist in Santa Rosa, CA

Q: What is Eric Vierra's NPI number?

The NPI number for Eric Vierra is 1609042811. It was assigned to this individual provider in the NPPES registry on May 7, 2008.

Q: What is Eric Vierra's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Eric Vierra was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 07, 2008PECOS Enrolled

3925 OLD REDWOOD HWY, SANTA ROSA, CA 95403(707) 566-6060 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2022, May 18, 2020, Dec 16, 2015 (3 updates tracked since 2015).

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About Dr. Eric Keoni Vierra O.d. NPPES

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

DR. ERIC KEONI VIERRA O.D. (NPI 1609042811) is an individual optometrist in Santa Rosa, California, licensed in California (11547T) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609042811

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. ERIC KEONI VIERRACredential: O.D.

Location Address3925 OLD REDWOOD HWYSanta Rosa, CA 95403-1719

Mailing Address102 Scott StUkiah, CA 95482-4316 · (707) 462-7040

Phone(707) 566-6060

Sole ProprietorNo

Enumeration DateMay 7, 2008

Last NPPES UpdateJanuary 3, 20223 updates tracked since enumeration

NPPES CertifiedMay 18, 2020

✔ NPI 1609042811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CA · 11547T

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

3925 OLD REDWOOD HWY, Santa Rosa, CA 95403

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Eric Keoni Vierra O.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.

Medicare Billing Reassignment

Medicare enrollment records show Eric Vierra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

36 mi

Internal Medicine

975 SERENO DRIVE
Vallejo, CA 94589

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1336222397 (707) 651-1000

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 95403 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

$142.00 typical visit price

range $63.04 – $187.01

Typical copayment $35.50 (range $15.76 – $46.75)

Most-billed visit code 99204

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.

LUCILLE HESTER BRONGERSMA O.D.

Optometrist

3925 OLD REDWOOD HWY
SANTA ROSA, CA 95403

Sonoma County (707) 566-5297

CRISTINA PAPPAS SILVERBERG

Speech-Language Pathologist

3925 OLD REDWOOD HWY
SANTA ROSA, CA 95403

Sonoma County (205) 247-2389

DR. JEFF MILLER MD

Pediatrics

3925 OLD REDWOOD HWY
SANTA ROSA, CA 95403

Sonoma County (707) 566-5312

MS. GAIL PROSSER RD, CDE

Dietitian, Registered (Nutrition, Pediatric)

3925 OLD REDWOOD HWY, DEPT OF PEDIATRICS
SANTA ROSA, CA 95403

Sonoma County (707) 566-5358

DR. JANE H LEE-KOIDA O.D.

Optometrist

3925 OLD REDWOOD HWY
SANTA ROSA, CA 95403

Sonoma County (707) 566-5342

DR. CHRISTINE W KU M.D.

Specialist

3925 OLD REDWOOD HWY
SANTA ROSA, CA 95403

Sonoma County (707) 566-5452

MS. ANGELA BIZZARRI PFLUGRATH DO

Pediatrics

3925 OLD REDWOOD HWY
SANTA ROSA, CA 95403

Sonoma County (707) 393-4033

ELIZABETH NGUYEN TRAN OD

Optometrist

3925 OLD REDWOOD HWY
SANTA ROSA, CA 95403

Sonoma County (707) 566-5974

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 Eric Vierra's NPI number?

The NPI number for Eric Vierra is 1609042811. It was assigned to this individual provider in the NPPES registry on May 7, 2008.

Where is Eric Vierra located?

Eric Vierra practices at 3925 Old Redwood Hwy, Santa Rosa, CA 95403. The listed phone number is (707) 566-6060.

What is Eric Vierra's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Eric Vierra enrolled in Medicare?

Yes. Eric Vierra is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Eric Vierra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eric Vierra reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). 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 Eric Vierra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Eric Vierra was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.