What is John Nelson's NPI number?

John Nelson's National Provider Identifier (NPI) is 1922095082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Nelson's specialty?

John Nelson is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is John Nelson located?

John Nelson's practice location on file with NPPES is 20211 Patio Dr, Castro Valley, CA 94546-4338.

What is John Nelson's phone number?

The practice phone number listed in the NPPES registry for John Nelson is (510) 881-4401.

Is John Nelson's NPI active?

Yes — John Nelson's NPI (1922095082) is active in the NPPES registry as of the last update on 2014-08-06.

IndividualActive

John Nelson, O.D.

NPI 1922095082 · Optometrist · Castro Valley, CA

John Nelson, O.D. is a Optometrist provider in Castro Valley, CA (NPI 1922095082).

Provider details

NPI number: 1922095082
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: No
License: 4985T (CA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 4985T (CA)
Eye and Vision Services Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 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

20211 Patio Dr

Suite 100

Castro Valley, CA 94546-4338

Phone: (510) 881-4401

Fax: (510) 881-4423

Street-level locationGet directions

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Mailing address