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MAUREEN THERESA GATT PH.D.
NPI 1255531034
Psychologist - Clinical in Fremont, CA

Active since July 20, 2007PECOS Enrolled
39350 CIVIC CENTER DR, FREMONT, CA 94538(510) 494-4000 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2022, Aug 8, 2020, Jul 9, 2020 and 1 more (4 updates tracked since 2019).

About Maureen Theresa Gatt Ph.d. NPPES

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

MAUREEN THERESA GATT PH.D. (NPI 1255531034) is an individual clinical provider in Fremont, California, licensed in California (PSY 25735) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255531034
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameMAUREEN THERESA GATTCredential: PH.D.
Location Address39350 CIVIC CENTER DRFremont, CA 94538-2343
Mailing AddressPo Box 21969San Jose, CA 95151-1969 · (510) 494-4000
Phone(510) 494-4000
Sole ProprietorNo
Enumeration DateJuly 20, 2007
Last NPPES UpdateJanuary 3, 20224 updates tracked since enumeration
NPPES CertifiedAugust 8, 2020
✔ NPI 1255531034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in CA · PSY 25735✔ Licensed in WA · PY60411233
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
39350 CIVIC CENTER DR, Fremont, CA 94538
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Other Identifiers 2

OtherPSY 25735CA · Board Of Psychology
OtherPY60411233WA · Department Of Health, Board Of Psychology

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maureen Theresa Gatt Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Maureen Gatt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc
14 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000
Mendocino Community Health Clinic, Inc.
128 mi
Federally Qualified Health Center (FQHC)
333 LAWS AVE
Ukiah, CA 95482
  • Reassigned Medicare billing, California enrollment
  • 121 clinicians in this Medicare group
NPI 1497961106 (707) 468-1010

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
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 17

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

DR. HANNAH JOHARCHI
Psychologist
39350 CIVIC CENTER DR
FREMONT, CA 94538
Alameda County (510) 494-4145
MR. MUN KEONG JOSHUA TOH
Marriage & Family Therapist
39350 CIVIC CENTER DR
FREMONT, CA 94538
Alameda County (510) 494-4000
TRINH BUI DU
Counselor
39350 CIVIC CENTER DR
FREMONT, CA 94538
Alameda County (510) 494-4000
LINDSEY HODOS
Counselor (Mental Health)
39350 CIVIC CENTER DR
FREMONT, CA 94538
Alameda County (510) 494-4000
JOHN LIN, MD, PC
Anesthesiology
39350 CIVIC CENTER DR
FREMONT, CA 94538
Alameda County (510) 299-3791
ALDRIN GARRIDO GERONGA F.N.P.
Nurse Practitioner
39350 CIVIC CENTER DR, SUITE 260
FREMONT, CA 94538
Alameda County (510) 931-4310
PUJA DIPAK SHETH MD
Psychiatry & Neurology (Psychiatry)
39350 CIVIC CENTER DR, 2ND FLOOR
FREMONT, CA 94538
Alameda County (415) 476-7000
MS. VICTORIA H TUNG R.D., C.N.S.C., PA-C
Physician Assistant
39350 CIVIC CENTER DR, SUITE 300
FREMONT, CA 94538
Alameda County (510) 797-3933

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 Maureen Gatt's NPI number?

The NPI number for Maureen Gatt is 1255531034. It was assigned to this individual provider in the NPPES registry on July 20, 2007.

Where is Maureen Gatt located?

Maureen Gatt practices at 39350 Civic Center Dr, Fremont, CA 94538. The listed phone number is (510) 494-4000.

What is Maureen Gatt's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Maureen Gatt enrolled in Medicare?

Yes. Maureen Gatt is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maureen Gatt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maureen Gatt reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and Mendocino Community Health Clinic, Inc. (Ukiah, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maureen Gatt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maureen Gatt was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.