Dr. Grace Chiang, MD
- Medicare services, 2024
- 1,184
- Medicare patients, 2024
- 90
- Part D claims, 2024
- 215
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Practice address
- 3747 Roswell Road NE, Marietta, GA 30062
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE)
Long Term Care Hospital · Marietta, Georgia
Find Dr. Chiang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Grace Chiang is an allergist and immunologist in Marietta, Georgia
Dr. Chiang practices at Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE) in Marietta, Georgia.
Dr. Chiang's NPI, 1750556106, was assigned on April 28, 2008. Dr. Chiang graduated from University of Wisconsin-Madison in 2004. Dr. Chiang holds Georgia license 062321.
- NPI
- 1750556106NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860548716
- NPI enumeration date
- April 28, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grace Chiang practices at Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE) in Marietta, Georgia
Dr. Chiang's primary practice is Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE), at 3747 Roswell Road NE, Marietta, GA 30062.
- Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE)3747 Roswell Road NE, Marietta, GA 30062
Source: Dmand AI Affiliation Data
Dr. Grace Chiang is affiliated with 5 sites of care and 1 medical group
Dr. Chiang's primary practice is Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE) in Marietta, Georgia. Dr. Chiang is also affiliated with Wellstar Kennestone Regional Medical Center. The medical group on file is Wellstar Medical Group. Dmand AI also links Dr. Chiang to 1 more hospital, 1 breast imaging center and 1 ambulatory surgery center, each named with a free account. Dr. Chiang's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Grace Chiang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiang practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE) | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grace Chiang is one of 97 allergists and immunologists in Georgia
Allergy and immunology is Dr. Chiang's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Chiang is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Chiang's licenses on file in 2 states: Georgia and Missouri.
Specialties and state licenses
- Allergy and immunology, GeorgiaPrimary
- Missouri license
Clinical focus
Dmand AI lists acute sinusitis, asthma, chronic nasal allergies, hives, immune deficiency disease and upper respiratory infection (URI) among the conditions Dr. Chiang treats.
Allergists and immunologists near Dr. Chiang
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Grace Chiang billed Medicare for 1,184 services in 2024
CMS data shows 1,184 Medicare services from Dr. Chiang across 7 procedure codes in 2024, for 90 Medicare patients. Medicare paid $13,387 for them. Every service was in an office.
Dr. Chiang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,2282024: 1,09211%
- Office and hospital visits
- 2023: 1492024: 9238%
Dr. Chiang compared with the Georgia median for allergists and immunologists, 2024
- Dr. Chiang
- Georgia median
- Medicare services
- 1,184vs 2,15645% below
- Medicare patients
- 90vs 15442% below
- Part D claims
- 127vs 52676% below
Medians across 91 allergists and immunologists in Georgia with Dmand AI profiles that report each measure.
Dr. Chiang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiang and other allergists and immunologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grace Chiang treated 90 Medicare patients in 2024, average age 72
CMS counts 90 Medicare patients who saw Dr. Chiang in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chiang's median patient age at 37, with 61% women.
Dr. Chiang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chiang's Medicare patients by sex, 2024
- Women6168%
- Men2932%
Chronic conditions among Dr. Chiang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis57%
- Asthma29%
- Ischemic heart disease28%
- Diabetes24%
- Mood disorders23%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grace Chiang wrote 215 Medicare Part D claims in 2024
In 2024, Dr. Chiang wrote 215 Medicare Part D claims for 82 patients. 64% of them were for generic drugs. CMS names the drug for 127 of them, across 7 drugs with 11 or more claims each, at $95,466 in total drug cost. In 2023, CMS named 289 claims across 10 drugs.
Dr. Chiang's Part D claims by kind of drug, 2024
- Generic137 claims64%
- Brand-name78 claims36%
Dr. Chiang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2892024: 12756%
Drugs named by CMS: 7 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Grace Chiang scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Chiang for performance year 2024, reported through an alternative payment model (APM). Dr. Chiang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chiang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chiang's MIPS scores, performance year 2024
- 94of 100Final score
- 82.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Grace Chiang received $6,765 in industry payments from 2016 to 2025
CMS Open Payments shows 297 general payments to Dr. Chiang from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $1,274.
General payments to Dr. Chiang by program year, 2016 to 2025
General payments to Dr. Chiang by kind, 2016 to 2025
- Food and beverage$6,63398%
- Education$1322%
Companies that paid Dr. Chiang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grace Chiang has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chiang, most recently CMS Stage 1 EHR in 2014.
Awards and honors for Dr. Chiang
- 2014
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Grace Chiang graduated from University of Wisconsin-Madison
Dr. Chiang graduated from University of Wisconsin-Madison in 2004. Dr. Chiang is a member of AAAAI.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Dr. Grace Chiang accepts plans from 17 insurance carriers
Dr. Chiang is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Chiang accepts, by number of carriers
- PPO11
- Medicare9
- HMO8
- EPO5
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Grace Chiang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Grace Chiang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Grace Chiang's NPI number?
Dr. Grace Chiang's NPI number is 1750556106. It was assigned on April 28, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Grace Chiang?
Dr. Grace Chiang is an allergist and immunologist in Marietta, Georgia. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Grace Chiang practice?
Dr. Chiang practices at 3747 Roswell Road NE, Marietta, GA 30062. Dr. Chiang's primary practice is Wellstar Windy Hill Hospital - HOPD (3747 Roswell Road NE) in Marietta, Georgia. Dmand AI also links Dr. Chiang to 1 hospital, 1 breast imaging center and 1 ambulatory surgery center.
What is Dr. Grace Chiang's medical license number?
Dr. Chiang holds Georgia license 062321, one of the licenses on file in 2 states.
Which states has Dr. Grace Chiang been licensed in?
Dmand AI has state licenses on file for Dr. Chiang in Georgia (2009 to 2026) and Missouri (2008 to 2010).
Which hospitals is Dr. Grace Chiang affiliated with?
Dr. Chiang is affiliated with Wellstar Kennestone Regional Medical Center. Dmand AI links Dr. Chiang to 2 more hospitals.
What medical group is Dr. Grace Chiang part of?
Dr. Chiang is linked to Wellstar Medical Group.
Does Dr. Grace Chiang accept Medicare?
Yes. CMS data shows Dr. Chiang billed Medicare for 1,184 services in 2024, and Dr. Chiang accepts Medicare assignment.
Does Dr. Grace Chiang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chiang as offering telehealth services.
What is Dr. Grace Chiang's MIPS score?
Dr. Chiang's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Grace Chiang see?
CMS counts 90 Medicare patients who saw Dr. Chiang in 2024, with an average age of 72.
Is Dr. Grace Chiang board certified?
Yes. Dr. Chiang is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Grace Chiang bill to Medicare?
In 2024, Dr. Chiang's most billed Medicare services were allergy test or treatment (95004), office visit, new patient (99203) and office visit, new patient (99204).
Where did Dr. Grace Chiang go to medical school?
Dr. Chiang graduated from University of Wisconsin-Madison in 2004.
What drugs does Dr. Grace Chiang prescribe most?
In 2024 Medicare Part D data, Dr. Chiang's most prescribed drugs by claims were Ipratropium Bromide, Fluticasone Propionate and Dupixent Syringe.
Has Dr. Grace Chiang received payments from drug or device companies?
CMS Open Payments shows $6,765 in general payments to Dr. Chiang from 32 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Grace Chiang been practicing?
Dr. Chiang graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Grace Chiang accept?
Dr. Chiang is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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