What is John Larson's NPI number?

John Larson's National Provider Identifier (NPI) is 1013913912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Larson's specialty?

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

Where is John Larson located?

John Larson's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.

What is John Larson's phone number?

The practice phone number listed in the NPPES registry for John Larson is (608) 782-7300.

Is John Larson's NPI active?

Yes — John Larson's NPI (1013913912) is active in the NPPES registry as of the last update on 2014-03-07.

IndividualActive

John Larson, OD

NPI 1013913912 · Optometrist · La Crosse, WI

John Larson, OD is a Optometrist provider in La Crosse, WI (NPI 1013913912).

Provider details

NPI number: 1013913912
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Male
Sole proprietor: No
License: 2504 (WI)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 2504 (WI)
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
21 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

1836 South Ave

La Crosse, WI 54601-5429

Phone: (608) 782-7300

Street-level locationGet directions

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Mailing address