James W. Chang
- Part D claims, 2024
- 52
- Industry payments
- $15
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1472 Baldwin Ave, Pontiac, MI 48340
- Practice phone
- Call (248) 332-2448
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Changdds, P.C.
Physician office · Pontiac, Michigan
Find James 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.
James W. Chang is a general practice dentistry in Pontiac, Michigan
James Chang practices at Changdds, P.C. in Pontiac, Michigan.
James Chang's NPI, 1841335221, was assigned on February 21, 2007. James Chang holds Michigan license 112470.
- NPI
- 1841335221NPI Registry (opens in a new tab)
- NPI enumeration date
- February 21, 2007
- NPI status
- Active
- Practice phone
- (248) 332-2448
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
James W. Chang practices at Changdds, P.C. in Pontiac, Michigan
James Chang's primary practice is Changdds, P.C., at 1472 Baldwin Ave, Pontiac, MI 48340. The practice phone is (248) 332-2448.
- Changdds, P.C.1472 Baldwin Ave, Pontiac, MI 48340Phone(248) 332-2448
Source: Dmand AI Affiliation Data
James W. Chang is affiliated with 1 site of care
James Chang's primary practice is Changdds, P.C. in Pontiac, Michigan.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at James W. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Changdds, P.C. | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
James W. Chang is one of 2,212 general practice dentistrys in Michigan
General practice is James Chang's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. James Chang is licensed in Michigan.
Specialties and state licenses
- General practice dentistry, MichiganPrimary
General practice dentistrys near James Chang
Counts of general practice dentistrys 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
James W. Chang wrote 52 Medicare Part D claims in 2024
In 2024, James Chang wrote 52 Medicare Part D claims for 31 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in James Chang's Part D claims, 2024
- Antibiotics75%39 of 52 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
James W. Chang received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to James Chang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Align Technology, Inc. paid the most, $15.
Companies that paid James Chang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for James W. 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 James W. 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 James W. Chang's NPI number?
James W. Chang's NPI number is 1841335221. It was assigned on February 21, 2007, and it is active in the NPI Registry.
What does James W. Chang specialize in?
James W. Chang is a general practice dentistry in Pontiac, Michigan. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does James W. Chang practice?
James Chang practices at 1472 Baldwin Ave, Pontiac, MI 48340. James Chang's primary practice is Changdds, P.C. in Pontiac, Michigan.
What is James W. Chang's office phone number?
The practice phone on file for James Chang is (248) 332-2448.
What is James W. Chang's medical license number?
James Chang holds Michigan license 112470.
Has James W. Chang received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to James Chang from 1 company from 2025 to 2025. The largest total came from Align Technology, Inc.
How long has James W. Chang been practicing?
James Chang's NPI was assigned in 2007.
Selling to general practice practices?
See general practice dentistrys in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card