Mark R Christensen, O.D., Inc., a Professional Optometric Corporation
NPI 1881885309 · Optometrist · Fairfield, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark R Christensen, O.D., Inc., a Professional Optometric Corporation is a Optometrist organization in Fairfield, CA (NPI 1881885309).
Provider details
- NPI number
- 1881885309
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Mark Christensen, President(707) 425-2187
- License
- OPT 7874 TPA (CA)
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
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
Registry dates
- Enumerated
- 2007-08-08
- Last updated
- 2010-05-24
Frequently asked questions
- What is Mark R Christensen, O.D., Inc., a Professional Optometric Corporation's NPI number?
- Mark R Christensen, O.D., Inc., a Professional Optometric Corporation's National Provider Identifier (NPI) is 1881885309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark R Christensen, O.D., Inc., a Professional Optometric Corporation?
- Mark R Christensen, O.D., Inc., a Professional Optometric Corporation is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Mark R Christensen, O.D., Inc., a Professional Optometric Corporation located?
- Mark R Christensen, O.D., Inc., a Professional Optometric Corporation's practice location on file with NPPES is 1710 Pennsylvania Ave Ste B, Fairfield, CA 94533-3549.
- What is Mark R Christensen, O.D., Inc., a Professional Optometric Corporation's phone number?
- The practice phone number listed in the NPPES registry for Mark R Christensen, O.D., Inc., a Professional Optometric Corporation is (707) 425-2187.
- Does Mark R Christensen, O.D., Inc., a Professional Optometric Corporation accept Medicare?
- Mark R Christensen, O.D., Inc., a Professional Optometric Corporation 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 R Christensen, O.D., Inc., a Professional Optometric Corporation?
- The authorized official listed on Mark R Christensen, O.D., Inc., a Professional Optometric Corporation's NPPES record is Mark Christensen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark R Christensen, O.D., Inc., a Professional Optometric Corporation's NPI active?
- Yes — Mark R Christensen, O.D., Inc., a Professional Optometric Corporation's NPI (1881885309) is active in the NPPES registry as of the last update on 2010-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.