David Buu Chau, OD
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 49
- Hospital affiliations
- 1
- Industry payments
- $236
- Medical group
- 1
- Practice address
- 19875 Southwest Fwy Suite 180 Suite 180, Sugarland, TX 77479-3514
- Practice phone
- Call (281) 545-4901
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Evolutionary Eye Care
Eye care practice · Sugarland, Texas
Find David Chau'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.
David Buu Chau is an optometrist in Sugarland, Texas
David Chau practices at Evolutionary Eye Care in Sugarland, Texas.
David Chau's NPI, 1306199328, was assigned on October 16, 2012. David Chau graduated from University of Houston - College of Optometry in 2012. David Chau holds Texas license 8065TG.
- NPI
- 1306199328NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537383468
- NPI enumeration date
- October 16, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 545-4901
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David Buu Chau practices at Evolutionary Eye Care in Sugarland, Texas
David Chau's primary practice is Evolutionary Eye Care, at 19875 Southwest Fwy Suite 180 Suite 180, Sugarland, TX 77479-3514. The practice phone is (281) 545-4901.
- Evolutionary Eye Care19875 Southwest Fwy Suite 180 Suite 180, Sugarland, TX 77479-3514Phone(281) 545-4901
Source: Dmand AI Affiliation Data
David Buu Chau is affiliated with 2 sites of care and 1 medical group
David Chau's primary practice is Evolutionary Eye Care in Sugarland, Texas. David Chau is also affiliated with Houston Methodist Sugar Land Hospital. Dmand AI also links David Chau to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David Buu Chau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Chau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evolutionary Eye Care | 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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David Buu Chau is one of 3,272 optometrists in Texas
Optometrist is David Chau's primary specialty in the NPI Registry, under taxonomy code 152W00000X. David Chau is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near David Chau
Counts of optometrists 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
David Buu Chau treated 47 Medicare patients in 2024, average age 75
CMS counts 47 Medicare patients who saw David Chau in 2024. The largest group is 75 to 84, with 21 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 2.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts David Chau's median patient age at 38, with 57% women.
David Chau's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Chau's Medicare patients by sex, 2024
- Women2860%
- Men1940%
Chronic conditions among David Chau's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis57%
- Chronic kidney disease38%
- Diabetes36%
- Depression34%
- Mood disorders34%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
David Chau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David Buu Chau wrote 49 Medicare Part D claims in 2024
In 2024, David Chau wrote 49 Medicare Part D claims for 29 patients. 41% of them were for generic drugs.
David Chau's Part D claims by kind of drug, 2024
- Generic20 claims41%
- Brand-name29 claims59%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How David Buu Chau takes part in Medicare
David Chau 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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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
David Buu Chau received $236 in industry payments in 2025
CMS Open Payments shows 8 general payments to David Chau from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $148.
Companies that paid David Chau the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
David Buu Chau graduated from University of Houston - College of Optometry
David Chau graduated from University of Houston - College of Optometry in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for David Buu Chau'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 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 (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 David Buu Chau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Buu Chau's NPI number?
David Buu Chau's NPI number is 1306199328. It was assigned on October 16, 2012, and it is active in the NPI Registry.
What does David Buu Chau specialize in?
David Buu Chau is an optometrist in Sugarland, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does David Buu Chau practice?
David Chau practices at 19875 Southwest Fwy Suite 180 Suite 180, Sugarland, TX 77479-3514. David Chau's primary practice is Evolutionary Eye Care in Sugarland, Texas. Dmand AI also links David Chau to 1 medical group.
What is David Buu Chau's office phone number?
The practice phone on file for David Chau is (281) 545-4901.
What is David Buu Chau's medical license number?
David Chau holds Texas license 8065TG.
Which hospitals is David Buu Chau affiliated with?
David Chau is affiliated with Houston Methodist Sugar Land Hospital.
Does David Buu Chau accept Medicare?
Yes. CMS lists David Chau as accepting Medicare assignment.
How many Medicare patients does David Buu Chau see?
CMS counts 47 Medicare patients who saw David Chau in 2024, with an average age of 75.
Where did David Buu Chau go to medical school?
David Chau graduated from University of Houston - College of Optometry in 2012.
Has David Buu Chau received payments from drug or device companies?
CMS Open Payments shows $236 in general payments to David Chau from 4 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has David Buu Chau been practicing?
David Chau graduated from medical school in 2012, 14 years ago.
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