William Robert Chafin III, OD
- Medicare patients, 2024
- 145
- Part D claims, 2024
- 75
- Industry payments
- $144
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2921 I 40 Suite 300 Suite 300, Amarillo, TX 79109-1616
- Practice phone
- Call (806) 322-3937
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Amarillo Family Eyecare
Eye care practice · Amarillo, Texas
Find William Chafin'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.
William Robert Chafin III is an optometrist in Amarillo, Texas
William Chafin practices at Amarillo Family Eyecare in Amarillo, Texas.
William Chafin's NPI, 1033113972, was assigned on June 9, 2005. William Chafin graduated from University of Houston - College of Optometry in 1983. William Chafin holds Texas license TX3162TG.
- NPI
- 1033113972NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416218268
- NPI enumeration date
- June 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (806) 322-3937
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Robert Chafin III practices at Amarillo Family Eyecare in Amarillo, Texas
William Chafin's primary practice is Amarillo Family Eyecare, at 2921 I 40 Suite 300 Suite 300, Amarillo, TX 79109-1616. The practice phone is (806) 322-3937.
- Amarillo Family Eyecare2921 I 40 Suite 300 Suite 300, Amarillo, TX 79109-1616Phone(806) 322-3937
Source: Dmand AI Affiliation Data
William Robert Chafin III is affiliated with 1 site of care and 1 medical group
William Chafin's primary practice is Amarillo Family Eyecare in Amarillo, Texas. Dmand AI also links William Chafin to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Robert Chafin III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Chafin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Amarillo Family Eyecare | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Robert Chafin III is one of 3,272 optometrists in Texas
Optometrist is William Chafin's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Chafin is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near William Chafin
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
William Robert Chafin III treated 145 Medicare patients in 2024, average age 74
CMS counts 145 Medicare patients who saw William Chafin in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Chafin's median patient age at 70, with 63% women.
William Chafin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Chafin's Medicare patients by sex, 2024
- Women8659%
- Men5941%
Chronic conditions among William Chafin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes30%
- Ischemic heart disease27%
- Chronic kidney disease23%
- Anxiety15%
- Osteoporosis14%
Share of Medicare patients with each condition. A patient can have several.
William Chafin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Robert Chafin III wrote 75 Medicare Part D claims in 2024
In 2024, William Chafin wrote 75 Medicare Part D claims for 31 patients. 71% of them were for generic drugs.
William Chafin's Part D claims by kind of drug, 2024
- Generic53 claims71%
- Brand-name22 claims29%
Drug classes CMS tracks in William Chafin's Part D claims, 2024
- Antibiotics31%23 of 75 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
How William Robert Chafin III takes part in Medicare
William Chafin 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)
For MedTech and pharma teams
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William Robert Chafin III received $144 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Chafin from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $144.
Companies that paid William Chafin the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Robert Chafin III graduated from University of Houston - College of Optometry
William Chafin graduated from University of Houston - College of Optometry in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Robert Chafin III'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 William Robert Chafin III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Robert Chafin III's NPI number?
William Robert Chafin III's NPI number is 1033113972. It was assigned on June 9, 2005, and it is active in the NPI Registry.
What does William Robert Chafin III specialize in?
William Robert Chafin III is an optometrist in Amarillo, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Robert Chafin III practice?
William Chafin practices at 2921 I 40 Suite 300 Suite 300, Amarillo, TX 79109-1616. William Chafin's primary practice is Amarillo Family Eyecare in Amarillo, Texas. Dmand AI also links William Chafin to 1 medical group.
What is William Robert Chafin III's office phone number?
The practice phone on file for William Chafin is (806) 322-3937.
What is William Robert Chafin III's medical license number?
William Chafin holds Texas license TX3162TG.
Does William Robert Chafin III accept Medicare?
Yes. CMS lists William Chafin as accepting Medicare assignment.
How many Medicare patients does William Robert Chafin III see?
CMS counts 145 Medicare patients who saw William Chafin in 2024, with an average age of 74.
Where did William Robert Chafin III go to medical school?
William Chafin graduated from University of Houston - College of Optometry in 1983.
Has William Robert Chafin III received payments from drug or device companies?
CMS Open Payments shows $144 in general payments to William Chafin from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has William Robert Chafin III been practicing?
William Chafin graduated from medical school in 1983, 43 years ago.
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