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Howard Ellenberger, OD, PHD
NPI 1689755605 · Optometrist · San Rafael, CA
Howard Ellenberger, OD, PHD is a Optometrist provider in San Rafael, CA (NPI 1689755605).
Provider details
- NPI number
- 1689755605
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- OPT 13171 T (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
901 a St
Suite C
San Rafael, CA 94901-3043
Phone: (415) 453-8906
Street-level locationGet directions
Mailing address
9 Mount Wittenburg Ct
San Rafael, CA 94903-1057
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Howard Ellenberger's NPI number?
- Howard Ellenberger's National Provider Identifier (NPI) is 1689755605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Ellenberger's specialty?
- Howard Ellenberger is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Howard Ellenberger located?
- Howard Ellenberger's practice location on file with NPPES is 901 a St, San Rafael, CA 94901-3043.
- What is Howard Ellenberger's phone number?
- The practice phone number listed in the NPPES registry for Howard Ellenberger is (415) 453-8906.
- Is Howard Ellenberger's NPI active?
- Yes — Howard Ellenberger's NPI (1689755605) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.