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THALIA NICHOLSON PSYCHOLOGICAL SERVICES, INC.
NPI 1255292025
Psychologist - Clinical in Roseville, CA

Active since November 20, 2025
1700 EUREKA RD STE 155, ROSEVILLE, CA 95661(530) 423-3714 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Thalia Nicholson Psychological Services, Inc. NPPES

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

THALIA NICHOLSON PSYCHOLOGICAL SERVICES, INC. (NPI 1255292025), doing business as America's First Responder Services, is a healthcare organization registered as a clinical in Roseville, California and active in the NPI registry since November 2025. The organization maintains a secondary practice location in Auburn and lists Thalia Pitsillidou Sullivan Nicholson, Clinical Psychologist, as its authorized official.

NPPES Registry Identity

NPI1255292025
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameTHALIA NICHOLSON PSYCHOLOGICAL SERVICES, INC.
Location Address1700 EUREKA RD STE 155Roseville, CA 95661-7786
Mailing Address140 Pine StAuburn, CA 95603-5247
Phone(530) 423-3714
Organization SubpartNo
Authorized OfficialThalia Pitsillidou Sullivan NicholsonClinical Psychologist · (530) 423-3714
Enumeration DateNovember 20, 2025
NPPES CertifiedNovember 20, 2025
✔ NPI 1255292025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
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.
1700 EUREKA RD STE 155, Roseville, CA 95661
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Other Names 1

Doing Business AsAmerica's First Responder Services

Secondary Practice Location 1

Location 1140 Pine StAuburn, CA 95603-5247 · Phone (530) 423-3714

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 11

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

MR. GAVIN JOHN WILLIAMS
Marriage & Family Therapist
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (916) 995-2963
FULL CUP WELLNESS PSYCHOLOGY PROFESSIONAL CORPORATION
Counselor (Mental Health)
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (916) 705-2896
LET'S TALK SPEECH THERAPY, INC.
Speech-Language Pathologist
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (916) 276-0823
MR. MATTHEW JOHN KOHAGEN LMFT
Marriage & Family Therapist
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (805) 795-1445
HANANIAH CHRISTIAN COUNSELING
Religious Nonmedical Health Care Institution
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (916) 352-0500
JOHN MARK KANE
Marriage & Family Therapist
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (408) 461-9658
DR. SHARON MARIE MUHA PSY.D.
Psychologist
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (916) 802-2816
RIAN KABIR MD
Psychiatry & Neurology (Psychiatry)
1700 EUREKA RD STE 155
ROSEVILLE, CA 95661
Placer County (916) 304-2214

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 Thalia Nicholson Psychological Services, Inc.'s NPI number?

The NPI number for Thalia Nicholson Psychological Services, Inc. is 1255292025. It was assigned to this organization in the NPPES registry on November 20, 2025. The provider is doing business as America's First Responder Services.

Where is Thalia Nicholson Psychological Services, Inc. located?

Thalia Nicholson Psychological Services, Inc. is located at 1700 Eureka Rd Ste 155, Roseville, CA 95661. The listed phone number is (530) 423-3714.

What is Thalia Nicholson Psychological Services, Inc.'s specialty?

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

When was this NPI record last updated?

The NPPES record for Thalia Nicholson Psychological Services, Inc. was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.