Louis Sithu
NPI 1306318225 · Primary Care Nurse Practitioner · Cerritos, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Sithu is a Primary Care Nurse Practitioner provider in Cerritos, CA (NPI 1306318225).
Provider details
- NPI number
- 1306318225
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
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
83% 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$234 across 10 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
- 2018-12-18
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is Louis Sithu's NPI number?
- Louis Sithu's National Provider Identifier (NPI) is 1306318225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Sithu's specialty?
- Louis Sithu is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Louis Sithu located?
- Louis Sithu's practice location on file with NPPES is 18000 Studebaker Rd Ste 800, Cerritos, CA 90703-2671.
- What is Louis Sithu's phone number?
- The practice phone number listed in the NPPES registry for Louis Sithu is (562) 735-3226.
- Does Louis Sithu accept Medicare?
- Louis Sithu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Sithu's NPI active?
- Yes — Louis Sithu's NPI (1306318225) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.