JOHN CHIA-SU CHAO MD
NPI 1871792945
Orthopaedic Surgery in Atlanta, GA
About John Chia-su Chao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN CHIA-SU CHAO MD (NPI 1871792945) is an individual orthopaedic surgery provider in Atlanta, Georgia, licensed in Georgia (69558) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Northside Hospital Forsyth, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2007).
NPPES Registry Identity
Specialties & Licenses 4
Accepted Insurance
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
John Chia-su Chao 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.
Areas of Expertise CMS Part B claims 16
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northside Hospital Forsyth
Acute Care Hospitals · Cumming, GANortheast Georgia Medical Center, Inc
Acute Care Hospitals · Gainesville, GANorthside Hospital
Acute Care Hospitals · Atlanta, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30342 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATLANTA, GA 30342
ATLANTA, GA 30342
ATLANTA, GA 30342
ATLANTA, GA 30342
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 John Chao's NPI number?
The NPI number for John Chao is 1871792945. It was assigned to this individual provider in the NPPES registry on July 17, 2007.
Where is John Chao located?
John Chao practices at 5505 Peachtree Dunwoody Rd Suite 600, Atlanta, GA 30342. The listed phone number is (404) 355-0743.
What is John Chao's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is John Chao enrolled in Medicare?
Yes. John Chao 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.
What insurance does John Chao accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list John Chao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Chao affiliated with any hospitals?
According to CMS data, John Chao is affiliated with Northside Hospital Forsyth, Northeast Georgia Medical Center, Inc and Northside Hospital.
When was this NPI record last updated?
The NPPES record for John Chao was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
