What is Katie Callahan's NPI number?

Katie Callahan's National Provider Identifier (NPI) is 1033051453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katie Callahan's specialty?

Katie Callahan is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).

Where is Katie Callahan located?

Katie Callahan's practice location on file with NPPES is 572 Gibson Dr Apt 1714, Roseville, CA 95678-6094.

What is Katie Callahan's phone number?

The practice phone number listed in the NPPES registry for Katie Callahan is (916) 542-3962.

Is Katie Callahan's NPI active?

Yes — Katie Callahan's NPI (1033051453) is active in the NPPES registry as of the last update on 2026-04-06.

IndividualActive

Katie Callahan

NPI 1033051453 · Nutritionist · Roseville, CA

Katie Callahan is a Nutritionist provider in Roseville, CA (NPI 1033051453).

Provider details

NPI number: 1033051453
Entity type: Individual
Primary specialty: NutritionistDietary & Nutritional Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

NutritionistPrimary133N00000X
Dietary & Nutritional Service Providers

Profile Score

Basic profile(46/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

572 Gibson Dr Apt 1714

Roseville, CA 95678-6094

Phone: (916) 542-3962

Street-level locationGet directions

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Mailing address