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MARIAN GIRGIS
NPI 1912541301
Social Worker - Clinical in Ontario, CA

Active since October 30, 2019PECOS EnrolledAccepts Medicare Assignment
3633 INLAND EMPIRE BLVD STE 777, ONTARIO, CA 91764(626) 321-5101 Get Directions Write a Review

NPPES record last updated: November 27, 2024. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 11, 2024, Oct 30, 2019 (2 updates tracked since 2019).

About Marian Girgis NPPES

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

MARIAN GIRGIS (NPI 1912541301) is an individual clinical provider in Ontario, California, licensed in California (110269) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1912541301
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARIAN GIRGIS
Location Address3633 INLAND EMPIRE BLVD STE 777Ontario, CA 91764-7974
Mailing Address3633 Inland Empire Blvd Ste 777Ontario, CA 91764-7974 · (626) 321-5101
Phone(626) 321-5101
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateOctober 30, 2019
Last NPPES UpdateNovember 27, 20242 updates tracked since enumeration
NPPES CertifiedNovember 27, 2024
✔ NPI 1912541301 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 110269
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
3633 INLAND EMPIRE BLVD STE 777, Ontario, CA 91764
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marian Girgis is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668941188
PECOS Enrollment IDI20260514000780
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91764 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $59.60 – $179.42
Typical copayment $0.00 (range $14.90 – $44.85)
Most-billed visit code NA
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

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

ILSE AERTS
Marriage & Family Therapist
3633 INLAND EMPIRE BLVD STE 777
ONTARIO, CA 91764
San Bernardino County (909) 295-5805
DAVID WAYNE JOHNSON AMFT, APCC
Marriage & Family Therapist
3633 INLAND EMPIRE BLVD STE 777
ONTARIO, CA 91764
San Bernardino County (909) 927-8649
DIANA FRANCO MS
Marriage & Family Therapist
3633 INLAND EMPIRE BLVD STE 777
ONTARIO, CA 91764
San Bernardino County (909) 295-5805

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 Marian Girgis's NPI number?

The NPI number for Marian Girgis is 1912541301. It was assigned to this individual provider in the NPPES registry on October 30, 2019.

Where is Marian Girgis located?

Marian Girgis practices at 3633 Inland Empire Blvd Ste 777, Ontario, CA 91764. The listed phone number is (626) 321-5101.

What is Marian Girgis's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Marian Girgis enrolled in Medicare?

Yes. Marian Girgis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Marian Girgis was last updated on November 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.