Thalia Pitsillidou Sullivan Nicholson, PhD

Psychologist in Auburn, CA. Individual provider (NPI-1).

NPI number1760053136

StatusActive

Last updated in NPPESFeb 26, 2026

Details

NPI: 1760053136
Entity type: Individual (NPI-1)
Name: Thalia Pitsillidou Sullivan Nicholson
Credential: PhD
Sex: Female
Sole proprietor: No
Enumeration date: Jul 7, 2021
Certification date: Feb 26, 2026
Last updated: Feb 26, 2026

Medicare and OIG

Medicare enrolled (PECOS): Not in the Medicare enrollment file
Can order and refer: Not on the CMS order and referring list
Medicare opt-out: Feb 17, 2026 to Feb 17, 2028
OIG exclusion list: This NPI is not listed

CMS and OIG files of November 2026. PECOS lookup · OIG exclusion check

Taxonomy and licenses

Taxonomy code	Description	License	State	Primary
103T00000X	Psychologist	35995	CA	Yes
103T00000X	Psychologist	1300	NV

Practice location

140 Pine St
Auburn, CA 95603-5247

Phone 530-423-3714

Mailing address

5701 Lonetree Blvd Ste 113
Rocklin, CA 95765-3792

Phone 530-423-3714

Is something wrong?

This page shows exactly what the provider filed with NPPES. Only the provider (or their surrogate) can change it, by signing in to NPPES. Our page updates within a day of their change. See how to update NPI information.

Other Psychologist providers in Auburn, CA

All 13 Psychologist providers in Auburn · All 1,737 providers in Auburn

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