Grace Chiang, MD
Allergy & Immunology Physician · Marietta, GA
Grace Chiang, MD is an allergy & immunology physician with a practice address in Marietta, Georgia, and NPI 1750556106, issued on Apr 28, 2008. Check the license (Georgia 062321, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Grace Chiang
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 062321 GA
2008010182 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3747 Roswell RD Ste 205, Marietta, GA 30062
- Phone
- (770) 333-2027
- Enumerated
- Apr 28, 2008
- Record last updated
- Oct 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (770) 333-2031
- Medicare enrollment
- Enrolled (PECOS I20090918000250); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 107 in Georgia → Look up another NPI →
Also registered at 3747 Roswell RD Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chloe Russo, MDAllergy & Immunology Physician1528300639
Verify Grace Chiang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 062321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
215 Medicare Part D claims for 82 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Ipratropium Bromide42 claims
- Fluticasone Propionate20 claims
- Dupixent Syringe16 claims
- Famotidine14 claims
- Trelegy Ellipta13 claims
- Prednisone11 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): 92.9 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: $544.84
21 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 2,496 providers of this specialty with any payment received $8,321.81 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 one group practice
- Wellstar Medical Group LLCMarietta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Chiang among 107 allergy & immunology physician records in Georgia
Grace Chiang, MD is one of 107 allergy & immunology physician records with a practice address in Georgia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 76% of them.
- NPI issued2008 · 76% of these records are older, 18% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2004 · median 1999 among the 75 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Georgia
There are 107 allergy & immunology physician records in Georgia.
All 107 in Georgia → Every provider in Marietta → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Chloe Russo, MDMarietta, GA 300621528300639
- Sofia Sheikh, MDMarietta, GA 300621982111316
- Stanley Fineman, MDMarietta, GA 300601386684207
- Louis Kalish, MDMarietta, GA 300601518905272
- Michael Blaiss, M.D.Roswell, GA 300761891720108
- Maia Gaither, M.D.Roswell, GA 300761093888588
- Lily Hwang, MDRoswell, GA 300761669648986
- Syeda Hamadani, MDLawrenceville, GA 300461710246848
Common questions
What is Grace Chiang, MD's NPI number?
Grace Chiang, MD's National Provider Identifier (NPI) is 1750556106, issued on Apr 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Grace Chiang, MD located?
The NPPES record lists a practice address at 3747 Roswell RD Ste 205, Marietta, GA, 30062. Phone: (770) 333-2027. Providers update this record themselves, so call before visiting.
How can I verify Grace Chiang, MD's license?
NPPES lists Georgia license number 062321, 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 Grace Chiang, MD prescribe under Medicare Part D?
In 2024, Grace Chiang, MD had 215 Medicare Part D claims for 82 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Grace Chiang, MD's MIPS final score?
The 2023 MIPS final score is 92.9 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.