Derek Chang, DDS
- Part D claims, 2024
- 91
- Hospital affiliations
- 1
- Industry payments
- $835
- Medical group
- 1
- State license
- 1
- Practice address
- 2002 Holcombe Blvd., Houston, TX 77030
- Practice phone
- Call (713) 794-7100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Derek 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.
Derek Chang is a general practice dentistry in Houston, Texas
Derek Chang practices at Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas, part of Veterans Health Administration.
Derek Chang's NPI, 1356635817, was assigned on June 1, 2011. Derek Chang holds Texas license 26504.
- NPI
- 1356635817NPI Registry (opens in a new tab)
- NPI enumeration date
- June 1, 2011
- NPI status
- Active
- Practice phone
- (713) 794-7100
- 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
Derek Chang practices at Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas
Derek Chang's primary practice is Michael E. DeBakey Department of Veterans Affairs Medical Center, at 2002 Holcombe Blvd., Houston, TX 77030 in Harris County. The practice phone is (713) 794-7100.
- Michael E. DeBakey Department of Veterans Affairs Medical Center2002 Holcombe Blvd., Houston, TX 77030 · Harris CountyPhone(713) 794-7100
Source: Dmand AI Affiliation Data
Derek Chang is affiliated with 2 sites of care and 1 medical group
Derek Chang's primary practice is Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas, part of Veterans Health Administration. Dmand AI also links Derek Chang to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Derek Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Derek Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Michael E. DeBakey Department of Veterans Affairs Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Derek Chang is one of 4,300 general practice dentistrys in Texas
General practice is Derek Chang's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Derek Chang is licensed in Texas.
Specialties and state licenses
- General practice dentistry, TexasPrimary
General practice dentistrys near Derek 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
Derek Chang's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Derek Chang's median patient age at 51, with 15% women.
Derek 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 51
Patient panel by sex, all payers
- Women15%
- Men83%
Source: Dmand AI Patient Panel Data
Derek Chang wrote 91 Medicare Part D claims in 2024
In 2024, Derek Chang wrote 91 Medicare Part D claims for 63 patients. 93% of them were for generic drugs.
Derek Chang's Part D claims by kind of drug, 2024
- Generic85 claims93%
- Brand-name and other6 claims7%
Drug classes CMS tracks in Derek Chang's Part D claims, 2024
- Antibiotics63%57 of 91 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.
Derek Chang received $835 in industry payments in 2025
CMS Open Payments shows 4 general payments to Derek Chang from 2 drug and device companies in 2025. Travel and lodging make up the largest share, 73% of the total. Benco Dental Supply Co. paid the most, $645.
General payments to Derek Chang by kind, 2025 to 2025
- Travel and lodging$61273%
- Gifts$18122%
- Honoraria$334%
- Food and beverage$101%
Companies that paid Derek 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 Derek 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 (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 Derek 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 Derek Chang's NPI number?
Derek Chang's NPI number is 1356635817. It was assigned on June 1, 2011, and it is active in the NPI Registry.
What does Derek Chang specialize in?
Derek Chang is a general practice dentistry in Houston, Texas. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Derek Chang practice?
Derek Chang practices at 2002 Holcombe Blvd., Houston, TX 77030. Derek Chang's primary practice is Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas, part of Veterans Health Administration. Dmand AI also links Derek Chang to 1 group practice or clinic and 1 medical group.
What is Derek Chang's office phone number?
The practice phone on file for Derek Chang is (713) 794-7100.
What is Derek Chang's medical license number?
Derek Chang holds Texas license 26504.
Which hospitals is Derek Chang affiliated with?
Derek Chang practices at Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas.
Has Derek Chang received payments from drug or device companies?
CMS Open Payments shows $835 in general payments to Derek Chang from 2 companies from 2025 to 2025. The largest total came from Benco Dental Supply Co.
How long has Derek Chang been practicing?
Derek Chang's NPI was assigned in 2011.
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