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

MARY ELIZA GILDEN M.A, LPCC
NPI 1376607655
Marriage & Family Therapist in Ontario, CA

Active since December 20, 2006PECOS Enrolled
3200 E GUASTI RD STE 100, ONTARIO, CA 91761(909) 366-4712 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Eliza Gilden M.a, Lpcc NPPES

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

MARY ELIZA GILDEN M.A, LPCC (NPI 1376607655) is an individual marriage & family therapist in Ontario, California and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1376607655
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMARY ELIZA GILDENCredential: M.A, LPCC
Location Address3200 E GUASTI RD STE 100Ontario, CA 91761-8661
Mailing Address1708 Ladera RdOjai, CA 93023-9312 · (970) 903-3288
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateDecember 20, 2006
Last NPPES UpdateOctober 12, 2026
NPPES CertifiedOctober 12, 2026
✔ NPI 1376607655 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.
3200 E GUASTI RD STE 100, Ontario, CA 91761

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Eliza Gilden M.a, Lpcc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4880178474
PECOS Enrollment IDI20260321000135
Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
Behavior Analyst
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
Case Management
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
Marriage & Family Therapist
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
Marriage & Family Therapist
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761

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 Mary Gilden's NPI number?

The NPI number for Mary Gilden is 1376607655. It was assigned to this individual provider in the NPPES registry on December 20, 2006.

Where is Mary Gilden located?

Mary Gilden practices at 3200 E Guasti Rd Ste 100, Ontario, CA 91761. The listed phone number is (909) 366-4712.

What is Mary Gilden's specialty?

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

Is Mary Gilden enrolled in Medicare?

Yes. Mary Gilden is registered in the Medicare PECOS enrollment system.

What insurance does Mary Gilden accept?

Health plans from Oscar Insurance Company and Select Health list Mary Gilden as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Gilden was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.