Mark B. Byers, O.D.
NPI 1396126108 · Optometrist · Marysville, CA
Enrolled with Medicare as Dme Supplier - Physician - Optometrist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark B. Byers, O.D. is a Optometrist organization in Marysville, CA (NPI 1396126108).
Provider details
- NPI number
- 1396126108
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Mark Byers, Owner(530) 742-1679
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Registry dates
- Enumerated
- 2015-06-17
- Last updated
- 2015-06-17
Frequently asked questions
- What is Mark B. Byers, O.D.'s NPI number?
- Mark B. Byers, O.D.'s National Provider Identifier (NPI) is 1396126108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark B. Byers, O.D.?
- Mark B. Byers, O.D. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Mark B. Byers, O.D. located?
- Mark B. Byers, O.D.'s practice location on file with NPPES is 429 D St, Marysville, CA 95901-5706.
- What is Mark B. Byers, O.D.'s phone number?
- The practice phone number listed in the NPPES registry for Mark B. Byers, O.D. is (530) 742-1679.
- Does Mark B. Byers, O.D. accept Medicare?
- Mark B. Byers, O.D. 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 Mark B. Byers, O.D.?
- The authorized official listed on Mark B. Byers, O.D.'s NPPES record is Mark Byers, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark B. Byers, O.D.'s NPI active?
- Yes — Mark B. Byers, O.D.'s NPI (1396126108) is active in the NPPES registry as of the last update on 2015-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.