THOMAS ELLISTON GUYER
NPI 1316311053
Psychologist - Clinical in San Leandro, CA

Q: What is Thomas Guyer's NPI number?

The NPI number for Thomas Guyer is 1316311053. It was assigned to this individual provider in the NPPES registry on November 18, 2015.

Q: What is Thomas Guyer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Guyer was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since November 18, 2015PECOS Enrolled

2275 ARLINGTON DR, SAN LEANDRO, CA 94578(510) 317-1445 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 13, 2026, Aug 8, 2016, Nov 18, 2015 (3 updates tracked since 2015).

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About Thomas Elliston Guyer NPPES

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

THOMAS ELLISTON GUYER (NPI 1316311053) is an individual clinical provider in San Leandro, California, licensed in Massachusetts (PSY10001721) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1316311053

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameTHOMAS ELLISTON GUYER

Location Address2275 ARLINGTON DRSan Leandro, CA 94578-1132

Mailing Address375 Broadway Apt 2-313Lynnfield, MA 01940-2382

Phone(510) 317-1445

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateNovember 18, 2015

Last NPPES UpdateApril 13, 20263 updates tracked since enumeration

NPPES CertifiedApril 13, 2026

✔ NPI 1316311053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in MA · PSY10001721

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.

2275 ARLINGTON DR, San Leandro, CA 94578

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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 (PECOS)

Thomas Elliston Guyer is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4789153420

PECOS Enrollment IDI20260512002709

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 94578 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 20

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

ANUSHEH N WARDA

Counselor