RUIKANG LIU MD
NPI 1821529769
Pediatrics in Pleasanton, CA
About Ruikang Liu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUIKANG LIU MD (NPI 1821529769) is an individual pediatrics provider in Pleasanton, California, licensed in California (A202112) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bossier City, and is a graduate of Pennsylvania State University College Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ruikang Liu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Ruikang Liu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shreveport, LA 71103
- Reassigned Medicare billing, Louisiana enrollment
- 1,167 clinicians in this Medicare group
Philadelphia, PA 19140
- Reassigned Medicare billing, Louisiana enrollment
- 52 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94588 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PLEASANTON, CA 94588
PLEASANTON, CA 94588
PLEASANTON, CA 94588
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ruikang Liu's NPI number?
The NPI number for Ruikang Liu is 1821529769. It was assigned to this individual provider in the NPPES registry on March 22, 2017. The provider is also known as Kong Kong Liu MD.
Where is Ruikang Liu located?
Ruikang Liu practices at 4256 Hacienda Dr Ste 100, Pleasanton, CA 94588. The listed phone number is (925) 263-0313.
What is Ruikang Liu's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ruikang Liu enrolled in Medicare?
Yes. Ruikang Liu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ruikang Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruikang Liu reassigns Medicare benefits to 3 organizations: Lsu Health Sciences Center Shreveport Faculty Group Practice (Shreveport, LA), Shriners Hospitals For Children (Philadelphia, PA) and University Healthcare Alliance (Newark, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ruikang Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ruikang Liu was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Ruikang Liu, MD · NPI 1821529769
Pediatrics physician in Pleasanton, California. Individual provider, active in the CMS NPPES registry since March 22, 2017.
## Identity
- **NPI:** 1821529769 (Entity type: Individual)
- **Enumerated:** March 22, 2017
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A202112 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4256 HACIENDA DR STE 100, Pleasanton, CA 94588-8595
- **Phone:** (925) 263-0313
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Lsu Health Sciences Center Shreveport Faculty Group Practice (NPI 1013374222, Shreveport, LA); Shriners Hospitals For Children (NPI 1275271462, Philadelphia, PA); University Healthcare Alliance (NPI 1760531198, Newark, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1821529769) · Data from the CMS NPPES public registry.