Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARK ANDREW DIDIA
NPI 1518845775
Marriage & Family Therapist in Pasadena, CA

Active since August 25, 2025
1021 E WALNUT ST STE 208, PASADENA, CA 91106(818) 570-1636 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark Andrew Didia NPPES

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

MARK ANDREW DIDIA (NPI 1518845775) is an individual marriage & family therapist in Pasadena, California and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1518845775
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMARK ANDREW DIDIA
Location Address1021 E WALNUT ST STE 208Pasadena, CA 91106-1453
Mailing Address2210 W Sunset Blvd # 117Los Angeles, CA 90026-3002 · (213) 649-1977
Sole ProprietorNo
Enumeration DateAugust 25, 2025
Last NPPES UpdateOctober 19, 2026
NPPES CertifiedOctober 19, 2026
✔ NPI 1518845775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
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.
1021 E WALNUT ST STE 208, Pasadena, CA 91106

Other Providers at the Same Location NPPES 2

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

Counselor (Professional)
1021 E WALNUT ST STE 208
PASADENA, CA 91106
Marriage & Family Therapist
1021 E WALNUT ST STE 208
PASADENA, CA 91106

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Didia's NPI number?

The NPI number for Mark Didia is 1518845775. It was assigned to this individual provider in the NPPES registry on August 25, 2025.

Where is Mark Didia located?

Mark Didia practices at 1021 E Walnut St Ste 208, Pasadena, CA 91106. The listed phone number is (818) 570-1636.

What is Mark Didia's specialty?

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

When was this NPI record last updated?

The NPPES record for Mark Didia was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.