Peter S. Chao, OD
- Part D claims, 2024
- 27
- Industry payments
- $122
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 4909 W Park Blvd, Plano, TX 75093-2311
- Practice phone
- Call (972) 985-7916
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Chao & Associates
Eye care practice · Plano, Texas
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Peter S. Chao is an optometrist in Plano, Texas
Peter Chao practices at Dr. Chao & Associates in Plano, Texas.
Peter Chao's NPI, 1972643625, was assigned on February 8, 2007. Peter Chao graduated from University of Houston - College of Optometry in 2000. Peter Chao holds Texas license 5895TG.
- NPI
- 1972643625NPI Registry (opens in a new tab)
- NPI enumeration date
- February 8, 2007
- NPI status
- Active
- Practice phone
- (972) 985-7916
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Peter S. Chao practices at Dr. Chao & Associates in Plano, Texas
Peter Chao's primary practice is Dr. Chao & Associates, at 4909 W Park Blvd, Plano, TX 75093-2311. The practice phone is (972) 985-7916.
- Dr. Chao & Associates4909 W Park Blvd, Plano, TX 75093-2311Phone(972) 985-7916
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Peter S. Chao is affiliated with 2 sites of care and 1 medical group
Peter Chao's primary practice is Dr. Chao & Associates in Plano, Texas. Dmand AI also links Peter Chao to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Peter S. Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Peter Chao practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Chao & Associates | 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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Peter S. Chao is one of 3,272 optometrists in Texas
Optometrist is Peter Chao's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Peter Chao is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near Peter Chao
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
Peter S. Chao's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Peter Chao's median patient age at 66, with 33% women.
Peter Chao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Peter S. Chao wrote 27 Medicare Part D claims in 2024
In 2024, Peter Chao wrote 27 Medicare Part D claims. 67% of them were for generic drugs.
Peter Chao's Part D claims by kind of drug, 2024
- Generic18 claims67%
- Brand-name and other9 claims33%
Drug classes CMS tracks in Peter Chao's Part D claims, 2024
- Antibiotics41%11 of 27 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
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Peter S. Chao received $122 in industry payments in 2025
CMS Open Payments shows 1 general payment to Peter Chao from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $122.
Companies that paid Peter Chao the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Peter S. Chao graduated from University of Houston - College of Optometry
Peter Chao graduated from University of Houston - College of Optometry in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Peter S. Chao'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Peter S. Chao
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Peter S. Chao's NPI number?
Peter S. Chao's NPI number is 1972643625. It was assigned on February 8, 2007, and it is active in the NPI Registry.
What does Peter S. Chao specialize in?
Peter S. Chao is an optometrist in Plano, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Peter S. Chao practice?
Peter Chao practices at 4909 W Park Blvd, Plano, TX 75093-2311. Peter Chao's primary practice is Dr. Chao & Associates in Plano, Texas. Dmand AI also links Peter Chao to 1 physician office and 1 medical group.
What is Peter S. Chao's office phone number?
The practice phone on file for Peter Chao is (972) 985-7916.
What is Peter S. Chao's medical license number?
Peter Chao holds Texas license 5895TG.
Where did Peter S. Chao go to medical school?
Peter Chao graduated from University of Houston - College of Optometry in 2000.
Has Peter S. Chao received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Peter Chao from 1 company from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has Peter S. Chao been practicing?
Peter Chao graduated from medical school in 2000, 26 years ago.
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