Eye Associates of Northern California Medical Group Inc.
NPI 1396939682 · Ophthalmology Physician · Sonoma, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eye Associates of Northern California Medical Group Inc. is a Ophthalmology Physician organization in Sonoma, CA (NPI 1396939682).
Provider details
- NPI number
- 1396939682
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sophia Schluter, President(707) 996-1900
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Mark Schluter MD and Sophia Schluter MD
- Doing business as
- Mark Schluter MD and Sophia Schluter MD
- Doing business as
- Sonoma Eye
Registry dates
- Enumerated
- 2007-08-30
- Last updated
- 2018-08-08
Frequently asked questions
- What is Eye Associates of Northern California Medical Group Inc.'s NPI number?
- Eye Associates of Northern California Medical Group Inc.'s National Provider Identifier (NPI) is 1396939682, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Eye Associates of Northern California Medical Group Inc.?
- Eye Associates of Northern California Medical Group Inc. is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Eye Associates of Northern California Medical Group Inc. located?
- Eye Associates of Northern California Medical Group Inc.'s practice location on file with NPPES is 696 3rd St W, Sonoma, CA 95476.
- What is Eye Associates of Northern California Medical Group Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Eye Associates of Northern California Medical Group Inc. is (707) 996-1900.
- Does Eye Associates of Northern California Medical Group Inc. accept Medicare?
- Eye Associates of Northern California Medical Group Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Eye Associates of Northern California Medical Group Inc.?
- The authorized official listed on Eye Associates of Northern California Medical Group Inc.'s NPPES record is Sophia Schluter, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Eye Associates of Northern California Medical Group Inc.'s NPI active?
- Yes — Eye Associates of Northern California Medical Group Inc.'s NPI (1396939682) is active in the NPPES registry as of the last update on 2018-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.