What is Tammy Harper's NPI number?

Tammy Harper's National Provider Identifier (NPI) is 1598995961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tammy Harper's specialty?

Tammy Harper is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Tammy Harper located?

Tammy Harper's practice location on file with NPPES is 1264 Valley Park Dr, Santa Clara, UT 84765-5540.

What is Tammy Harper's phone number?

The practice phone number listed in the NPPES registry for Tammy Harper is (858) 774-0945.

Is Tammy Harper's NPI active?

Yes — Tammy Harper's NPI (1598995961) is active in the NPPES registry as of the last update on 2026-02-21.

IndividualActive

Tammy Harper, R.D.

NPI 1598995961 · Registered Dietitian · Santa Clara, UT

Tammy Harper, R.D. is a Registered Dietitian provider in Santa Clara, UT (NPI 1598995961).

Provider details

NPI number: 1598995961
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: R.D.
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers

Profile Score

Detailed profile(78/100 index)

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

Registry tenure38% of score
16 yrs in NPPES 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

1264 Valley Park Dr

Santa Clara, UT 84765-5540

Phone: (858) 774-0945

Street-level locationGet directions

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Mailing address