IndividualActive
Michael Gruning
NPI 1336266865 · Optometrist · Santa Monica, CA
Michael Gruning is a Optometrist provider in Santa Monica, CA (NPI 1336266865).
Provider details
- NPI number
- 1336266865
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3559TPA (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(89/100 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
1312 Montana Ave
Santa Monica, CA 90403-1710
Phone: (310) 576-9191
Street-level locationGet directions
Mailing address
1312 Montana Ave
Santa Monica, CA 90403-1710
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2010-10-12
Frequently asked questions
- What is Michael Gruning's NPI number?
- Michael Gruning's National Provider Identifier (NPI) is 1336266865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Gruning's specialty?
- Michael Gruning is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Michael Gruning located?
- Michael Gruning's practice location on file with NPPES is 1312 Montana Ave, Santa Monica, CA 90403-1710.
- What is Michael Gruning's phone number?
- The practice phone number listed in the NPPES registry for Michael Gruning is (310) 576-9191.
- Is Michael Gruning's NPI active?
- Yes — Michael Gruning's NPI (1336266865) is active in the NPPES registry as of the last update on 2010-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.