DR. SUSAN BUCHAN, PHD, PSYCHOLOGIST INC.
NPI 1972127850
Psychologist - Clinical in Merced, CA

Q: What is Dr. Susan Buchan, Phd, Psychologist Inc.'s specialty?

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

Active since June 05, 2020

838 W 19TH ST, MERCED, CA 95340(120) 938-1043 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 30, 2026, Jun 5, 2020 (2 updates tracked since 2020).

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About Dr. Susan Buchan, Phd, Psychologist Inc. NPPES

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

DR. SUSAN BUCHAN, PHD, PSYCHOLOGIST INC. (NPI 1972127850) is a healthcare organization registered as a clinical in Merced, California and active in the NPI registry since June 2020. The organization lists Susan Buchan, Psychologist, as its authorized official.

NPPES Registry Identity

NPI1972127850

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameDR. SUSAN BUCHAN, PHD, PSYCHOLOGIST INC.

Location Address838 W 19TH STMerced, CA 95340-4609

Mailing Address4035 Strolling CtMerced, CA 95340-8104 · (209) 381-0438

Phone(120) 938-1043

Organization SubpartNo

Authorized OfficialSusan BuchanPsychologist · (120) 938-1043

Enumeration DateJune 5, 2020

Last NPPES UpdateJanuary 30, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 30, 2026

✔ NPI 1972127850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.

Also ListedPsychologistTaxonomy 103T00000X

838 W 19TH ST, Merced, CA 95340

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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 MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Susan Buchan, Phd, Psychologist Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr. Susan Buchan, Phd, Psychologist Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Susan Buchan, PHD

Clinical Psychologist

NPI 1356502207

838 W 19TH ST
Merced, CA 95340

(209) 381-0438

✔ PECOS✔ Accepts MedicareSame address

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

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 Dr. Susan Buchan, Phd, Psychologist Inc.'s NPI number?

The NPI number for Dr. Susan Buchan, Phd, Psychologist Inc. is 1972127850. It was assigned to this organization in the NPPES registry on June 5, 2020.

Where is Dr. Susan Buchan, Phd, Psychologist Inc. located?

Dr. Susan Buchan, Phd, Psychologist Inc. is located at 838 W 19th St, Merced, CA 95340. The listed phone number is (120) 938-1043.

What is Dr. Susan Buchan, Phd, Psychologist Inc.'s specialty?

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

Is Dr. Susan Buchan, Phd, Psychologist Inc. enrolled in Medicare?

Yes. Dr. Susan Buchan, Phd, Psychologist Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr. Susan Buchan, Phd, Psychologist Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Dr. Susan Buchan, Phd, Psychologist Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dr. Susan Buchan, Phd, Psychologist Inc. was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.