Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. EILEEN SUN PHD
NPI 1619726650
Psychologist in Aurora, CO

Active since May 14, 2024PECOS Enrolled
2206 VICTOR ST, AURORA, CO 80045(303) 617-2300(303) 617-2344 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 10, 2026, Dec 9, 2025, May 14, 2024 (3 updates tracked since 2024).

About Dr. Eileen Sun Phd NPPES

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

DR. EILEEN SUN PHD (NPI 1619726650) is an individual psychologist in Aurora, Colorado and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1619726650
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. EILEEN SUNCredential: PHD
Location Address2206 VICTOR STAurora, CO 80045-7400
Mailing Address1290 Chambers RdAurora, CO 80011-7117 · (303) 617-2300 · Fax (303) 617-2344
Fax(303) 617-2344
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 14, 2024
Last NPPES UpdateSeptember 10, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1619726650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License PSY.0006652 (CO)
2206 VICTOR ST, Aurora, CO 80045

Secondary Practice Locations 2

Location 11290 S Potomac StAurora, CO 80012-4524 · Phone (303) 617-2300 · Fax (303) 617-2344
Location 2777 Bannock StDenver, CO 80204-4597 · Phone (303) 436-4949

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Eileen Sun Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153851084
PECOS Enrollment IDI20250207001314
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.

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.

Counselor (Addiction (Substance Use Disorder))
2206 VICTOR ST
AURORA, CO 80045
Counselor (Professional)
2206 VICTOR ST
AURORA, CO 80045
Social Worker
2206 VICTOR ST
AURORA, CO 80045
Counselor (Addiction (Substance Use Disorder))
2206 VICTOR ST
AURORA, CO 80045
Counselor (Addiction (Substance Use Disorder))
2206 VICTOR ST
AURORA, CO 80045
Registered Nurse
2206 VICTOR ST
AURORA, CO 80045
Counselor (Addiction (Substance Use Disorder))
2206 VICTOR ST
AURORA, CO 80045
Case Manager/Care Coordinator
2206 VICTOR ST
AURORA, CO 80045

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 Eileen Sun's NPI number?

The NPI number for Eileen Sun is 1619726650. It was assigned to this individual provider in the NPPES registry on May 14, 2024.

Where is Eileen Sun located?

Eileen Sun practices at 2206 Victor St, Aurora, CO 80045. The listed phone number is (303) 617-2300.

What is Eileen Sun's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Eileen Sun enrolled in Medicare?

Yes. Eileen Sun is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Eileen Sun was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.