LILI KHANH NGUYEN PSY.D
NPI 1881967123
Rehabilitation Counselor in Pasadena, CA

Active since February 16, 2012PECOS Enrolled
940 AVENUE 64, PASADENA, CA 91105(323) 254-2274 Get Directions Write a Review

NPPES record last updated: January 20, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 20, 2017, Nov 18, 2016 (2 updates tracked since 2016).

About Lili Khanh Nguyen Psy.d NPPES

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

LILI KHANH NGUYEN PSY.D (NPI 1881967123) is an individual rehabilitation counselor in Pasadena, California and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881967123
Entity TypeIndividualFemale
Primary Taxonomy225C00000X
Provider Legal NameLILI KHANH NGUYENCredential: PSY.D
Location Address940 AVENUE 64Pasadena, CA 91105-2711
Mailing Address940 Avenue 64Pasadena, CA 91105-2711 · (323) 254-2274
Sole ProprietorYes
Enumeration DateFebruary 16, 2012
Last NPPES UpdateJanuary 20, 20172 updates tracked since enumeration
✔ NPI 1881967123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRehabilitation CounselorRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225C00000X
Definition
An individual trained and educated in a systematic process of assisting persons with physical, mental, developmental, cognitive, and emotional disabilities to achieve their personal, career, and independent living goals assessment and appraisal, diagnosis and treatment planning, career (vocational) counseling, individual and group counseling interventions for adjustments to the medical and psychosocial impact of disability, case management, program evaluation and research, job analysis and placement counseling, and consultation on rehabilitation resources and technology. Certification generally requires a Master's degree with specialized courses in rehabilitation processes and technology.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License PSY28728 (CA)
940 AVENUE 64, Pasadena, CA 91105

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lili Khanh Nguyen Psy.d 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 Lili Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
1902 WRIGHT PL FL CENTER2
Carlsbad, CA 92008
  • Reassigned Medicare billing, California enrollment
  • 223 clinicians in this Medicare group

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 7

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.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
773 services54 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
412 services41 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
257 services26 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
124 services28 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
107 services30 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
27 services15 patients

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.

Rehabilitation Practitioner
940 AVENUE 64
PASADENA, CA 91105
Rehabilitation Practitioner
940 AVENUE 64
PASADENA, CA 91105
Rehabilitation Practitioner
940 AVENUE 64
PASADENA, CA 91105
Rehabilitation Practitioner
940 AVENUE 64
PASADENA, CA 91105
Student in an Organized Health Care Education/Training Program
940 AVENUE 64
PASADENA, CA 91105
Social Worker
940 AVENUE 64
PASADENA, CA 91105
Rehabilitation Practitioner
940 AVENUE 64
PASADENA, CA 91105
Rehabilitation Practitioner
940 AVENUE 64
PASADENA, CA 91105

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 Lili Nguyen's NPI number?

The NPI number for Lili Nguyen is 1881967123. It was assigned to this individual provider in the NPPES registry on February 16, 2012.

Where is Lili Nguyen located?

Lili Nguyen practices at 940 Avenue 64, Pasadena, CA 91105. The listed phone number is (323) 254-2274.

What is Lili Nguyen's specialty?

The primary specialty registered for this NPI is Rehabilitation Counselor with taxonomy code 225C00000X.

Is Lili Nguyen enrolled in Medicare?

Yes. Lili Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lili Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lili Nguyen reassigns Medicare benefits to Memory Check Psychological Services, A Professional Corporation (Carlsbad, 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 Lili Nguyen'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 Lili Nguyen was last updated on January 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.