Lili Nguyen, PSY.D
NPI 1881967123 · Rehabilitation Counselor · Pasadena, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lili Nguyen, PSY.D is a Rehabilitation Counselor provider in Pasadena, CA (NPI 1881967123).
Provider details
- NPI number
- 1881967123
- Entity type
- Individual
- Primary specialty
- Rehabilitation CounselorRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PSY.D
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,717 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy, 45 Minutes90834 | 773 | $93 |
| Psychotherapy, 45 Minutes90834 | 412 | $109 |
| Psychotherapy, 30 Minutes90832 | 257 | $70 |
| Psychotherapy, 30 Minutes90832 | 124 | $82 |
| Psychotherapy, 1 Hour90837 | 107 | $137 |
| Psychotherapy, 1 Hour90837 | 27 | $160 |
| Psychiatric Diagnostic Evaluation90791 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-02-16
- Last updated
- 2017-01-20
Frequently asked questions
- What is Lili Nguyen's NPI number?
- Lili Nguyen's National Provider Identifier (NPI) is 1881967123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lili Nguyen's specialty?
- Lili Nguyen is listed in the NPPES registry with a primary specialty of Rehabilitation Counselor (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Lili Nguyen located?
- Lili Nguyen's practice location on file with NPPES is 940 Avenue 64, Pasadena, CA 91105-2711.
- What is Lili Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Lili Nguyen is (323) 254-2274.
- Does Lili Nguyen accept Medicare?
- Lili Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lili Nguyen's NPI active?
- Yes — Lili Nguyen's NPI (1881967123) is active in the NPPES registry as of the last update on 2017-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.