What is Justina Hyfantis's NPI number?

Justina Hyfantis's National Provider Identifier (NPI) is 1275385098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Justina Hyfantis's specialty?

Justina Hyfantis is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Justina Hyfantis located?

Justina Hyfantis's practice location on file with NPPES is 600 Henley St, Knoxville, TN 37996-4502.

What is Justina Hyfantis's phone number?

The practice phone number listed in the NPPES registry for Justina Hyfantis is (865) 974-2161.

Is Justina Hyfantis's NPI active?

Yes — Justina Hyfantis's NPI (1275385098) is active in the NPPES registry as of the last update on 2026-01-13.

IndividualActive

Justina Hyfantis, PHD

NPI 1275385098 · Psychologist · Knoxville, TN

Justina Hyfantis, PHD is a Psychologist provider in Knoxville, TN (NPI 1275385098).

Provider details

NPI number: 1275385098
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Female
Sole proprietor: Yes
License: 3430 (TN)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 3430 (TN)
Behavioral Health & Social Service Providers

Profile Score

Established profile(57/100 index)

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

Registry tenure38% of score
2 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

600 Henley St

Knoxville, TN 37996-4502

Phone: (865) 974-2161

Street-level locationGet directions

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Mailing address