Dr. Yuan Heng Chang, MD
- Part D claims, 2024
- 242
- Hospital affiliations
- 2
- Industry payments
- $567
- Medical group
- 1
- State licenses
- 2
- Practice address
- 9330 Medical Plaza Dr, Charleston, SC 29406
- Practice phone
- Call (843) 847-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Yuan Heng Chang is an internist in Charleston, South Carolina
Dr. Chang practices at HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare.
Dr. Chang's NPI, 1467021485, was assigned on June 23, 2021. Dr. Chang graduated from St. George's University School of Medicine in 2021. Dr. Chang holds California license A199967.
- NPI
- 1467021485NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527463256
- NPI enumeration date
- June 23, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 847-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yuan Heng Chang practices at HCA Healthcare Trident Hospital in Charleston, South Carolina
Dr. Chang's primary practice is HCA Healthcare Trident Hospital, at 9330 Medical Plaza Dr, Charleston, SC 29406 in Charleston County. The practice phone is (843) 847-4100.
- HCA Healthcare Trident Hospital9330 Medical Plaza Dr, Charleston, SC 29406 · Charleston CountyPhone(843) 847-4100
Source: Dmand AI Affiliation Data
Dr. Yuan Heng Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare. Dr. Chang is also affiliated with Confluence Health Hospital | Central Campus. The medical group on file is Confluence Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yuan Heng Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Healthcare Trident Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yuan Heng Chang is one of 1,707 internists in South Carolina
Internal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chang is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chang's licenses on file in 2 states: California and South Carolina.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- South Carolina license
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. Yuan Heng Chang's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 60, with 56% women.
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 60
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Yuan Heng Chang wrote 242 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 242 Medicare Part D claims for 37 patients. 88% of them were for generic drugs. CMS names the drug for 67 of them, across 4 drugs with 11 or more claims each, at $493 in total drug cost. In 2023, CMS named 156 claims across 7 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic214 claims88%
- Brand-name28 claims12%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1562024: 6757%
Drugs named by CMS: 4 in 2024, 7 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
How Dr. Yuan Heng Chang takes part in Medicare
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Yuan Heng Chang received $567 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Chang from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 88% of the total. Travere Therapeutics, Inc. paid the most, $256.
General payments to Dr. Chang by program year, 2024 to 2025
General payments to Dr. Chang by kind, 2024 to 2025
- Food and beverage$49988%
- Education$6812%
Companies that paid Dr. Chang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yuan Heng Chang graduated from St. George's University School of Medicine
Dr. Chang graduated from St. George's University School of Medicine in 2021. Dr. Chang is a member of ACP and ASN.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Yuan Heng 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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Yuan Heng 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. Yuan Heng Chang's NPI number?
Dr. Yuan Heng Chang's NPI number is 1467021485. It was assigned on June 23, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Yuan Heng Chang?
Dr. Yuan Heng Chang is an internist in Charleston, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yuan Heng Chang practice?
Dr. Chang practices at 9330 Medical Plaza Dr, Charleston, SC 29406. Dr. Chang's primary practice is HCA Healthcare Trident Hospital in Charleston, South Carolina, part of HCA Healthcare.
What is Dr. Yuan Heng Chang's office phone number?
The practice phone on file for Dr. Chang is (843) 847-4100.
What is Dr. Yuan Heng Chang's medical license number?
Dr. Chang holds California license A199967, one of the licenses on file in 2 states.
Which states has Dr. Yuan Heng Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (2024 to 2027) and South Carolina (2021 to 2024).
Which hospitals is Dr. Yuan Heng Chang affiliated with?
Dr. Chang practices at HCA Healthcare Trident Hospital in Charleston, South Carolina. Dr. Chang is also affiliated with Confluence Health Hospital | Central Campus.
What medical group is Dr. Yuan Heng Chang part of?
Dr. Chang is linked to Confluence Health.
Does Dr. Yuan Heng Chang accept Medicare?
Yes. CMS lists Dr. Chang as accepting Medicare assignment.
Is Dr. Yuan Heng Chang board certified?
Yes. Dr. Chang is board certified in internal medicine by the American Board of Internal Medicine.
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Where did Dr. Yuan Heng Chang go to medical school?
Dr. Chang graduated from St. George's University School of Medicine in 2021.
What drugs does Dr. Yuan Heng Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Yuan Heng Chang received payments from drug or device companies?
CMS Open Payments shows $567 in general payments to Dr. Chang from 4 companies from 2024 to 2025. The largest total came from Travere Therapeutics, Inc.
How long has Dr. Yuan Heng Chang been practicing?
Dr. Chang graduated from medical school in 2021, 5 years ago.
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