Louis Lennart Qui
NPI 1992280531 · Psychiatric/Mental Health Nurse Practitioner · Claremont, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Lennart Qui is a Psychiatric/Mental Health Nurse Practitioner provider in Claremont, CA (NPI 1992280531).
Provider details
- NPI number
- 1992280531
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95009352 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 190 | 41 |
| Quetiapine Fumarate | 157 | 26 |
| Duloxetine Hcl | 104 | 19 |
| Fluoxetine Hcl | 97 | 14 |
| Sertraline Hcl | 96 | 21 |
| Hydroxyzine Pamoate | 93 | 26 |
| Alprazolam | 90 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$131 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-09-29
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Louis Lennart Qui's NPI number?
- Louis Lennart Qui's National Provider Identifier (NPI) is 1992280531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Lennart Qui's specialty?
- Louis Lennart Qui is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Louis Lennart Qui located?
- Louis Lennart Qui's practice location on file with NPPES is 650 S Indian Hill Blvd, Claremont, CA 91711-5444.
- What is Louis Lennart Qui's phone number?
- The practice phone number listed in the NPPES registry for Louis Lennart Qui is (909) 399-2222.
- Does Louis Lennart Qui accept Medicare?
- Louis Lennart Qui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Lennart Qui's NPI active?
- Yes — Louis Lennart Qui's NPI (1992280531) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.