MARK SCHLUTER MD AND SOPHIA SCHLUTER MD
NPI 1396939682
Ophthalmology in Sonoma, CA

Q: What is Eye Associates Of Northern California Medical Group Inc.'s specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Active since August 30, 2007

696 3RD ST W, SONOMA, CA 95476(707) 996-1900(707) 996-4396 Get Directions Write a Review

NPPES record last updated: August 8, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 8, 2018, Jul 11, 2018, Jun 19, 2018 (3 updates tracked since 2018).

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About Mark Schluter Md And Sophia Schluter Md NPPES

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

MARK SCHLUTER MD AND SOPHIA SCHLUTER MD (NPI 1396939682) is a healthcare organization registered as an ophthalmology in Sonoma, California and active in the NPI registry since August 2007. The organization lists Sophia W Schluter, President, as its authorized official.

NPPES Registry Identity

NPI1396939682

Entity TypeOrganization

Primary Taxonomy207W00000X

Legal Business NameEYE ASSOCIATES OF NORTHERN CALIFORNIA MEDICAL GROUP INC.

Location Address696 3RD ST WSonoma, CA 95476

Mailing Address696 3rd St WSonoma, CA 95476-6805 · (707) 996-1900 · Fax (707) 996-4396

Phone(707) 996-1900

Fax(707) 996-4396

Organization SubpartNo

Authorized OfficialSophia W SchluterPresident · (707) 996-1900

Enumeration DateAugust 30, 2007

Last NPPES UpdateAugust 8, 20183 updates tracked since enumeration

✔ NPI 1396939682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

696 3RD ST W, Sonoma, CA 95476

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Other Names 2

Doing Business AsMark Schluter Md And Sophia Schluter Md

Doing Business AsSonoma Eye

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Schluter Md And Sophia Schluter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Mark Schluter MD And Sophia Schluter MD, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Joelle Zarzana, O.D.

Optometry

NPI 1386794170

895 TRANCAS ST
Napa, CA 94558

(707) 252-2020

✔ PECOS✔ Accepts Medicare9.6 mi

Sophia Schluter, MD

Ophthalmology

NPI 1982682324

3925 OLD REDWOOD HWY
Santa Rosa, CA 95403

(707) 393-4000

✔ PECOS✔ Accepts Medicare20 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Eye Associates Of Northern California Medical Group Inc.'s NPI number?

The NPI number for Eye Associates Of Northern California Medical Group Inc. is 1396939682. It was assigned to this organization in the NPPES registry on August 30, 2007. The provider is doing business as Mark Schluter MD And Sophia Schluter MD and Sonoma Eye.

Where is Eye Associates Of Northern California Medical Group Inc. located?

Eye Associates Of Northern California Medical Group Inc. is located at 696 3rd St W, Sonoma, CA 95476. The listed phone number is (707) 996-1900.

What is Eye Associates Of Northern California Medical Group Inc.'s specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Eye Associates Of Northern California Medical Group Inc. enrolled in Medicare?

Yes. Eye Associates Of Northern California Medical Group Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eye Associates Of Northern California Medical Group Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Eye Associates Of Northern California Medical Group Inc., in Ophthalmology and Optometry. A 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 the clinician's services. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Eye Associates Of Northern California Medical Group Inc. was last updated on August 8, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.