Dr. Young Seong Chang, MD
- Medicare services, 2024
- 673
- Medicare patients, 2024
- 266
- Part D claims, 2024
- 316
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Practice address
- 1325 Satellite Blvd Nw Suite 701 Suite 701, Suwanee, GA 30024-4676
- Practice phone
- Call (678) 417-1255
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jk Internal Medicine & Geriatrics
Primary care practice · Suwanee, 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. Young Seong Chang is an internist in Suwanee, Georgia
Dr. Chang practices at Jk Internal Medicine & Geriatrics in Suwanee, Georgia.
Dr. Chang's NPI, 1295016533, was assigned on August 31, 2011. Dr. Chang graduated from Loma Linda University School of Medicine in 2011. Dr. Chang holds Tennessee license 51621.
- NPI
- 1295016533NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769629591
- NPI enumeration date
- August 31, 2011
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (678) 417-1255
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Young Seong Chang practices at Jk Internal Medicine & Geriatrics in Suwanee, Georgia
Dr. Chang's primary practice is Jk Internal Medicine & Geriatrics, at 1325 Satellite Blvd Nw Suite 701 Suite 701, Suwanee, GA 30024-4676. The practice phone is (678) 417-1255.
- Jk Internal Medicine & Geriatrics1325 Satellite Blvd Nw Suite 701 Suite 701, Suwanee, GA 30024-4676Phone(678) 417-1255
Source: Dmand AI Affiliation Data
Dr. Young Seong Chang is affiliated with 3 sites of care and 2 medical groups
Dr. Chang's primary practice is Jk Internal Medicine & Geriatrics in Suwanee, Georgia. Dr. Chang is also affiliated with CommonSpirit - Memorial Hospital - Chattanooga. The medical group on file is JK Internal Medicine & Geriatrics, P.C. Dmand AI also links Dr. Chang to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Young Seong Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jk Internal Medicine & Geriatrics | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Young Seong Chang is one of 3,575 internists in Georgia
Internal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chang is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Chang
Counts of internists 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. Young Seong Chang billed Medicare for 673 services in 2024
CMS data shows 673 Medicare services from Dr. Chang across 6 procedure codes in 2024, for 266 Medicare patients. Medicare paid $49,036 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8632024: 67322%
Dr. Chang compared with the Georgia median for internists, 2024
- Dr. Chang
- Georgia median
- Medicare services
- 673vs 53626% above
- Medicare patients
- 266vs 19437% above
- Part D claims
- 110vs 33968% below
Medians across 3,344 internists 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Young Seong Chang treated 266 Medicare patients in 2024, average age 77
CMS counts 266 Medicare patients who saw Dr. Chang in 2024. The largest group is 75 to 84, with 100 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.49, 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 64, with 51% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women13852%
- Men12848%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease59%
- Chronic kidney disease58%
- Anxiety51%
- Heart failure51%
- Diabetes46%
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 64
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Young Seong Chang wrote 316 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 316 Medicare Part D claims for 175 patients. 84% of them were for generic drugs. CMS names the drug for 110 of them, across 6 drugs with 11 or more claims each, at $9,791 in total drug cost. In 2023, CMS named 182 claims across 12 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic264 claims84%
- Brand-name and other52 claims16%
Dr. Chang'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.
Drug classes CMS tracks in Dr. Chang's Part D claims, 2024
- Opioids4%13 of 316 claims
- Antibiotics23%72 of 316 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1822024: 11040%
Drugs named by CMS: 6 in 2024, 12 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. Young Seong Chang 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. Chang for performance year 2024, reported through an alternative payment model (APM). CMS lists Dr. Chang as offering telehealth.
- Offers telehealth
- Yes
Dr. Chang's MIPS scores, performance year 2024
- 94of 100Final score
- 92.6of 100Quality
- 93of 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. Young Seong Chang received $782 in industry payments from 2016 to 2025
CMS Open Payments shows 40 general payments to Dr. Chang from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $133.
General payments to Dr. Chang by program year, 2016 to 2025
Companies that paid Dr. Chang 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. Young Seong Chang graduated from Loma Linda University School of Medicine
Dr. Chang graduated from Loma Linda University School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Young Seong 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 | 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) |
| 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. Young Seong 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. Young Seong Chang's NPI number?
Dr. Young Seong Chang's NPI number is 1295016533. It was assigned on August 31, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Young Seong Chang?
Dr. Young Seong Chang is an internist in Suwanee, Georgia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Young Seong Chang practice?
Dr. Chang practices at 1325 Satellite Blvd Nw Suite 701 Suite 701, Suwanee, GA 30024-4676. Dr. Chang's primary practice is Jk Internal Medicine & Geriatrics in Suwanee, Georgia. Dmand AI also links Dr. Chang to 1 group practice or clinic and 1 medical group.
What is Dr. Young Seong Chang's office phone number?
The practice phone on file for Dr. Chang is (678) 417-1255.
What is Dr. Young Seong Chang's medical license number?
Dr. Chang holds Tennessee license 51621.
Which hospitals is Dr. Young Seong Chang affiliated with?
Dr. Chang is affiliated with CommonSpirit - Memorial Hospital - Chattanooga.
What medical group is Dr. Young Seong Chang part of?
Dr. Chang is linked to JK Internal Medicine & Geriatrics, P.C. Dmand AI links Dr. Chang to 1 more medical group.
Does Dr. Young Seong Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 673 services in 2024.
Does Dr. Young Seong Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
What is Dr. Young Seong Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Young Seong Chang see?
CMS counts 266 Medicare patients who saw Dr. Chang in 2024, with an average age of 77.
What services does Dr. Young Seong Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Young Seong Chang go to medical school?
Dr. Chang graduated from Loma Linda University School of Medicine in 2011.
What drugs does Dr. Young Seong Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Levofloxacin, Eliquis and Prednisone.
Has Dr. Young Seong Chang received payments from drug or device companies?
CMS Open Payments shows $782 in general payments to Dr. Chang from 17 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Young Seong Chang been practicing?
Dr. Chang graduated from medical school in 2011, 15 years ago.
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