MS. HANNA ILYSE PIERSON MA
NPI 1598458937
Marriage & Family Therapist in Diamond Springs, CA

Q: What is Hanna Pierson's NPI number?

The NPI number for Hanna Pierson is 1598458937. It was assigned to this individual provider in the NPPES registry on May 31, 2023.

Q: What is Hanna Pierson's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Hanna Pierson was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 31, 2023

4250 FOWLER LN STE 204, DIAMOND SPRINGS, CA 95619(530) 626-3105 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 10, 2025, Jun 16, 2023, May 31, 2023 (3 updates tracked since 2023).

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About Ms. Hanna Ilyse Pierson Ma NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. HANNA ILYSE PIERSON MA (NPI 1598458937) is an individual marriage & family therapist in Diamond Springs, California, licensed in California (157692) and active in the NPI registry since May 2023.

NPPES Registry Identity

NPI1598458937

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameMS. HANNA ILYSE PIERSONCredential: MA

Location Address4250 FOWLER LN STE 204Diamond Springs, CA 95619-9782

Mailing AddressPo Box 1987Diamond Springs, CA 95619-1987

Phone(530) 626-3105

Sole ProprietorNo

Enumeration DateMay 31, 2023

Last NPPES UpdateSeptember 10, 20253 updates tracked since enumeration

NPPES CertifiedSeptember 10, 2025

✔ NPI 1598458937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · 157692

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

4250 FOWLER LN STE 204, Diamond Springs, CA 95619

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HANNAH FLYNN

Case Manager/Care Coordinator