John Chia-Su Chao, MD
Orthopaedic Surgery Physician · Atlanta, GA
John Chia-Su Chao, MD is an orthopaedic surgery physician with a practice address in Atlanta, Georgia, and NPI 1871792945, issued on Jul 17, 2007. Check the license (Georgia 69558, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Chia-Su Chao
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 69558 GA
P1974 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5505 Peachtree Dunwoody RD, Atlanta, GA 30342
- Phone
- (404) 355-0743
- Enumerated
- Jul 17, 2007
- Record last updated
- Mar 2, 2026
- Fax
- (404) 355-2136
- Medicare enrollment
- Enrolled (PECOS I20131007001021); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2007
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 753 in Georgia → Look up another NPI →
Also registered at 5505 Peachtree Dunwoody RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zulima Armstrong, CSTSurgical Technologist1215647052
- Sonja Banks, DADental Assistant1962518274
- Doren Clark, NURSE PRACTITIONERFamily Medicine Physician1407369200
- Harvey Cole, MDOphthalmology Physician1053364166
- Whitney Greco, PA-CSurgical Physician Assistant1639510910
- Felicia Johnson, DADental Assistant1255447561
Verify John Chia-Su Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 69558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
606 Medicare Part D claims for 240 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 218 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen107 claims
- Gabapentin90 claims
- Oxycodone-Acetaminophen74 claims
- Ondansetron Odt72 claims
- Meloxicam55 claims
- Methylprednisolone33 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 78.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,498.73
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Peachtree Orthopaedic Clinic PAAtlanta, GA
- Physiotherapy Associates IncCovington, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Chia-Su Chao among 753 orthopaedic surgery physician records in Georgia
John Chia-Su Chao, MD is one of 753 orthopaedic surgery physician records with a practice address in Georgia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 40% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2007 · median 2005 among the 500 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Georgia
There are 753 orthopaedic surgery physician records in Georgia.
All 753 in Georgia → Every provider in Atlanta → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Joseph Chandler, M.D.Atlanta, GA 303421972599306
- Thomas Dopson, M.D.Atlanta, GA 303421861489551
- Evander Fogle, M.D.Atlanta, GA 303421316938244
- John Gleason, M.D.Atlanta, GA 303421922095322
- Anuj Gupta, MDAtlanta, GA 303421922000991
- Mark Hanna, M.D.Atlanta, GA 303421427045087
- John Henry, MDAtlanta, GA 303421427050491
- Daniel Kingloff, MDAtlanta, GA 303421104821065
Common questions
What is John Chia-Su Chao, MD's NPI number?
John Chia-Su Chao, MD's National Provider Identifier (NPI) is 1871792945, issued on Jul 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Chia-Su Chao, MD located?
The NPPES record lists a practice address at 5505 Peachtree Dunwoody RD, Atlanta, GA, 30342. Phone: (404) 355-0743. Providers update this record themselves, so call before visiting.
How can I verify John Chia-Su Chao, MD's license?
NPPES lists Georgia license number 69558, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Chia-Su Chao, MD prescribe under Medicare Part D?
In 2024, John Chia-Su Chao, MD had 606 Medicare Part D claims for 240 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is John Chia-Su Chao, MD's MIPS final score?
The 2023 MIPS final score is 78.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.