JOY CHANG LIU
NPI 1669008629
Internal Medicine in Oakland, CA
About Joy Chang Liu NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOY CHANG LIU (NPI 1669008629) is an individual internal medicine provider in Oakland, California, licensed in California (A180577) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Mayo Medical School (2020).
NPPES Registry Identity
Specialties & Licenses 2
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joy Chang Liu 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94602 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Joy Liu's NPI number?
The NPI number for Joy Liu is 1669008629. It was assigned to this individual provider in the NPPES registry on March 20, 2020.
Where is Joy Liu located?
Joy Liu practices at 1411 E 31st St, Oakland, CA 94602. The listed phone number is (507) 437-4564.
What is Joy Liu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joy Liu enrolled in Medicare?
Yes. Joy 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.
When was this NPI record last updated?
The NPPES record for Joy Liu was last updated on August 1, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
