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STACEY M. BAYAN PSYD
NPI 1164807954
Clinical Neuropsychologist in Glendora, CA

Active since July 22, 2015PECOS Enrolled
1145 S GRAND AVE, GLENDORA, CA 91740(909) 394-1667(909) 575-4783 Get Directions Write a Review

NPPES record last updated: May 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 6, 2024, Apr 8, 2024, Feb 2, 2021 and 1 more (4 updates tracked since 2018).

About Stacey M. Bayan Psyd NPPES

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

STACEY M. BAYAN PSYD (NPI 1164807954) is an individual clinical neuropsychologist in Glendora, California, licensed in California (PSY27111) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164807954
Entity TypeIndividualFemale
Primary Taxonomy103G00000X
Provider Legal NameSTACEY M. BAYANCredential: PSYD
Location Address1145 S GRAND AVEGlendora, CA 91740-5013
Mailing Address1145 S Grand AveGlendora, CA 91740-5013 · (909) 394-1667 · Fax (909) 575-4783
Phone(909) 394-1667
Fax(909) 575-4783
Sole ProprietorNo
Enumeration DateJuly 22, 2015
Last NPPES UpdateMay 6, 20244 updates tracked since enumeration
NPPES CertifiedMay 6, 2024
✔ NPI 1164807954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in CA · PSY27111
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
1145 S GRAND AVE, Glendora, CA 91740
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stacey M. Bayan Psyd 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 Reassignment

Medicare enrollment records show Stacey Bayan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Department Of State Hospitals
17 mi
Psychiatric Hospital
11401 BLOOMFIELD AVE
Norwalk, CA 90650
  • Reassigned Medicare billing, California enrollment
  • 755 clinicians in this Medicare group
NPI 1265406565 (562) 863-7011

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

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
222 services32 patients
Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
152 services33 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
33 services33 patients
Exam of neurobehavioral status, first hour 96116
An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.
32 services32 patients
Exam of neurobehavioral status, each additional hour 96121
This procedure involves a thorough evaluation of your neurobehavioral status, focusing on brain functions that affect behavior and cognition. It's extended for an additional hour to gather more detailed information about your neurological health.
32 services32 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
32 services32 patients

Other Providers at the Same Location NPPES 2

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

FOOTHILLS NEUROCARE, A PSYCHOLOGICAL CORPORATION
Clinical Neuropsychologist
1145 S GRAND AVE
GLENDORA, CA 91740
Los Angeles County (909) 394-1667
AAA SPECIAL NEED SERVICES, INC
Psychologist (Cognitive & Behavioral)
1145 S GRAND AVE
GLENDORA, CA 91740
Los Angeles County (626) 622-6011

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 Stacey Bayan's NPI number?

The NPI number for Stacey Bayan is 1164807954. It was assigned to this individual provider in the NPPES registry on July 22, 2015.

Where is Stacey Bayan located?

Stacey Bayan practices at 1145 S Grand Ave, Glendora, CA 91740. The listed phone number is (909) 394-1667.

What is Stacey Bayan's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Stacey Bayan enrolled in Medicare?

Yes. Stacey Bayan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stacey Bayan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stacey Bayan reassigns Medicare benefits to Department Of State Hospitals (Norwalk, CA). The 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 Stacey Bayan'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 Stacey Bayan was last updated on May 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.