Dr. Hans Chang, MD
- Medicare services, 2024
- 2,513
- Medicare patients, 2024
- 2,034
- Part D claims, 2018
- 11
- MIPS score, 2024
- 100
- Hospital affiliations
- 5
- Practice address
- 100 Professional Park, Carrollton, GA 30117
- Practice phone
- Call (770) 812-9660
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tanner Imaging Center
Carrollton, Georgia
Find Dr. Chang'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. Hans Chang is a diagnostic radiologist in Carrollton, Georgia
Dr. Chang practices at Tanner Imaging Center in Carrollton, Georgia.
Dr. Chang's NPI, 1447209713, was assigned on May 6, 2006. Dr. Chang graduated from Emory University School of Medicine in 2000. Dr. Chang holds Georgia license 053685.
- NPI
- 1447209713NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901817147
- NPI enumeration date
- May 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (770) 812-9660
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hans Chang practices at Tanner Imaging Center in Carrollton, Georgia
Dr. Chang's primary practice is Tanner Imaging Center, at 100 Professional Park, Carrollton, GA 30117 in Carroll County. The practice phone is (770) 812-9660.
- Tanner Imaging Center100 Professional Park, Carrollton, GA 30117 · Carroll CountyPhone(770) 812-9660
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Hans Chang is affiliated with 6 sites of care and 2 medical groups
Dr. Chang's primary practice is Tanner Imaging Center in Carrollton, Georgia. Dr. Chang is also affiliated with Tanner Medical Center/Carrollton. The medical group on file is Summit Radiology Services. Dmand AI also links Dr. Chang to 4 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hans Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tanner Imaging Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hans Chang is one of 920 diagnostic radiologists in Georgia
Diagnostic radiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Chang's licenses on file in 2 states: Georgia and Alabama.
Specialties and state licenses
- Diagnostic radiology, GeorgiaPrimary
- Alabama license
Diagnostic radiologists near Dr. Chang
Counts of diagnostic radiologists 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. Hans Chang billed Medicare for 2,513 services in 2024
CMS data shows 2,513 Medicare services from Dr. Chang across 45 procedure codes in 2024, for 2,034 Medicare patients. Medicare paid $91,030 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,0202024: 2,33623%
- Other services
- 2023: 642024: 9853%
- Tests and treatments
- 2023: 692024: 7914%
Where Dr. Chang's Medicare services took place, 2024
- In an office1616%
- In a facility2,35294%
Dr. Chang compared with the Georgia median for diagnostic radiologists, 2024
- Dr. Chang
- Georgia median
- Medicare services
- 2,513vs 2,17416% above
- Medicare patients
- 2,034vs 1,67422% above
- Part D claims
- 11vs 1421% below
Medians across 895 diagnostic radiologists in Georgia with Dmand AI profiles that report each measure.
Dr. Chang'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. Chang and other diagnostic radiologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hans Chang treated 2,034 Medicare patients in 2024, average age 75
CMS counts 2,034 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 776 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 65, with 73% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women1,27563%
- Men75937%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease39%
- Diabetes38%
- Chronic kidney disease37%
- Anxiety32%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hans Chang wrote 11 Medicare Part D claims in 2018
In 2018, Dr. Chang wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $29 in total drug cost.
Dr. Chang's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Hans Chang scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chang's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 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. Hans Chang received $1,612 in industry payments from 2016 to 2024
CMS Open Payments shows 36 general payments to Dr. Chang from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $965.
General payments to Dr. Chang by program year, 2016 to 2024
Companies that paid Dr. Chang the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hans Chang graduated from Emory University School of Medicine
Dr. Chang graduated from Emory University School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hans Chang'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Hans Chang
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. Hans Chang's NPI number?
Dr. Hans Chang's NPI number is 1447209713. It was assigned on May 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hans Chang?
Dr. Hans Chang is a diagnostic radiologist in Carrollton, Georgia. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Hans Chang practice?
Dr. Chang practices at 100 Professional Park, Carrollton, GA 30117. Dr. Chang's primary practice is Tanner Imaging Center in Carrollton, Georgia. Dmand AI also links Dr. Chang to 4 hospitals and 1 medical group.
What is Dr. Hans Chang's office phone number?
The practice phone on file for Dr. Chang is (770) 812-9660.
What is Dr. Hans Chang's medical license number?
Dr. Chang holds Georgia license 053685, one of the licenses on file in 2 states.
Which states has Dr. Hans Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in Georgia and Alabama.
Which hospitals is Dr. Hans Chang affiliated with?
Dr. Chang is affiliated with Tanner Medical Center/Carrollton. Dmand AI links Dr. Chang to 4 more hospitals.
What medical group is Dr. Hans Chang part of?
Dr. Chang is linked to Summit Radiology Services. Dmand AI links Dr. Chang to 1 more medical group.
Does Dr. Hans Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 2,513 services in 2024, and Dr. Chang accepts Medicare assignment.
What is Dr. Hans Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Hans Chang see?
CMS counts 2,034 Medicare patients who saw Dr. Chang in 2024, with an average age of 75.
What services does Dr. Hans Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and radiation oncology (77067).
Where did Dr. Hans Chang go to medical school?
Dr. Chang graduated from Emory University School of Medicine in 2000.
What drugs does Dr. Hans Chang prescribe most?
In 2018 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Levofloxacin.
Has Dr. Hans Chang received payments from drug or device companies?
CMS Open Payments shows $1,612 in general payments to Dr. Chang from 5 companies from 2016 to 2024. The largest total came from Medtronic USA, Inc.
How long has Dr. Hans Chang been practicing?
Dr. Chang graduated from medical school in 2000, 26 years ago.
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