LOUIS SITHU
NPI 1306318225
Nurse Practitioner - Primary Care in Cerritos, CA

Q: What is Louis Sithu's NPI number?

The NPI number for Louis Sithu is 1306318225. It was assigned to this individual provider in the NPPES registry on December 18, 2018. The provider is also known as Maung Sithu.

Q: What is Louis Sithu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Q: When was this NPI record last updated?

The NPPES record for Louis Sithu was last updated on July 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since December 18, 2018PECOS Enrolled

18000 STUDEBAKER RD STE 800, CERRITOS, CA 90703(562) 735-3226 Get Directions Write a Review

NPPES record last updated: July 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 22, 2021, Sep 17, 2019, Dec 18, 2018 (3 updates tracked since 2018).

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About Louis Sithu NPPES

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

LOUIS SITHU (NPI 1306318225) is an individual primary care provider in Cerritos, California, licensed in California (95011101) and active in the NPI registry since December 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306318225

Entity TypeIndividualMale

Primary Taxonomy363LP2300X

Provider Legal NameLOUIS SITHU

Location Address18000 STUDEBAKER RD STE 800Cerritos, CA 90703-2671

Mailing Address18000 Studebaker Rd Ste 800Cerritos, CA 90703-2671 · (562) 735-3226

Phone(562) 735-3226

Sole ProprietorYes

Enumeration DateDecember 18, 2018

Last NPPES UpdateJuly 22, 20213 updates tracked since enumeration

NPPES CertifiedJuly 22, 2021

✔ NPI 1306318225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP2300X

License✔ Licensed in CA · 95011101

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

18000 STUDEBAKER RD STE 800, Cerritos, CA 90703

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Other Names 1

Former Name (1)Maung Sithu

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Louis Sithu 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 Louis Sithu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

San Marcos Medical Group Inc

40 mi

Obstetrics & Gynecology

14980 SUMMIT AVE STE 230
Fontana, CA 92336

Reassigned Medicare billing, California enrollment
49 clinicians in this Medicare group

NPI 1447446448 (909) 376-4438

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ABHISHEK KUMAR MD

Radiology (Radiation Oncology)