IndividualActive
Robert Christensen, O.D.
NPI 1639246689 · Optometrist · Mill Valley, CA
Robert Christensen, O.D. is a Optometrist provider in Mill Valley, CA (NPI 1639246689).
Provider details
- NPI number
- 1639246689
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6009T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
741 E Blithedale Ave
Mill Valley, CA 94941-1526
Phone: (415) 381-3355
Fax: (415) 381-9579
Street-level locationGet directions
Mailing address
741 E Blithedale Ave
Mill Valley, CA 94941-1526
Registry dates
- Enumerated
- 2006-11-28
- Last updated
- 2023-03-07
Frequently asked questions
- What is Robert Christensen's NPI number?
- Robert Christensen's National Provider Identifier (NPI) is 1639246689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Christensen's specialty?
- Robert Christensen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Robert Christensen located?
- Robert Christensen's practice location on file with NPPES is 741 E Blithedale Ave, Mill Valley, CA 94941-1526.
- What is Robert Christensen's phone number?
- The practice phone number listed in the NPPES registry for Robert Christensen is (415) 381-3355.
- Is Robert Christensen's NPI active?
- Yes — Robert Christensen's NPI (1639246689) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.