Provider Profile
Lili K. Nguyen, PsyD
Unclaimed ProfileAbout Dr. Nguyen
Lili K. Nguyen, PsyD is a healthcare provider located in Pasadena, CA. Lili is also listed as specializing in psychologist — clinical. Medicare claims data shows Lili provided 1,717 services to 211 patients. The services billed most often include psychotherapy, 45 minutes, psychotherapy, 45 minutes, and psychotherapy, 30 minutes. The provider's National Provider Identifier (NPI) is 1881967123.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (323) 254-2274
- Email not available
Practice Locations
940 AVENUE 64
Pasadena, CA 91105
Procedures Most Often Billed to Medicare
1,717 services · 211 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
773 |
| Psychotherapy, 45 minutes | Treatment | 90834 |
412 |
| Psychotherapy, 30 minutes | Treatment | 90832 |
257 |
| Psychotherapy, 30 minutes | Treatment | 90832 |
124 |
| Psychotherapy, 1 hour | Treatment | 90837 |
107 |
| Psychotherapy, 1 hour | Treatment | 90837 |
27 |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other providers at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Also performs Psychotherapy, 45 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
Where is Lili K. Nguyen located?
Lili K. Nguyen is listed at 940 Avenue 64, Pasadena, CA 91105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Lili K. Nguyen's phone number?
The number on file is (323) 254-2274. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Lili K. Nguyen?
Lili K. Nguyen's National Provider Identifier is 1881967123. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Lili K. Nguyen have?
Lili K. Nguyen has 14+ years experience. Registered with an NPI since 2012. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Lili K. Nguyen do most often?
According to Medicare billing data, Lili K. Nguyen provides treatments such as psychotherapy, 45 minutes and psychotherapy, 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Lili K. Nguyen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Lili K. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.