Tonya G. Ketcham, OD
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 74
- Industry payments
- $123
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4901 Calhoun Rd, Houston, TX 77204
- Practice phone
- Call (713) 743-1921
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Eye Institute
Houston, Texas
Find Tonya Ketcham'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.
Tonya G. Ketcham is an optometrist in Houston, Texas
Tonya Ketcham practices at University Eye Institute in Houston, Texas.
Tonya Ketcham's NPI, 1902809338, was assigned on May 31, 2005. Tonya Ketcham holds Texas license 6659.
- NPI
- 1902809338NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618937376
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 743-1921
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Tonya G. Ketcham practices at University Eye Institute in Houston, Texas
Tonya Ketcham's primary practice is University Eye Institute, at 4901 Calhoun Rd, Houston, TX 77204 in Harris County. The practice phone is (713) 743-1921.
- University Eye Institute4901 Calhoun Rd, Houston, TX 77204 · Harris CountyPhone(713) 743-1921
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tonya G. Ketcham is affiliated with 2 sites of care and 1 medical group
Tonya Ketcham's primary practice is University Eye Institute in Houston, Texas. Dmand AI also links Tonya Ketcham to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Tonya G. Ketcham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tonya Ketcham practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Eye Institute | 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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Tonya G. Ketcham is one of 3,272 optometrists in Texas
Optometrist is Tonya Ketcham's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Tonya Ketcham is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near Tonya Ketcham
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
Tonya G. Ketcham treated 31 Medicare patients in 2024, average age 74
CMS counts 31 Medicare patients who saw Tonya Ketcham in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tonya Ketcham's median patient age at 59, with 54% women.
Tonya Ketcham's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Tonya Ketcham's Medicare patients by sex, 2024
- Women1858%
- Men1342%
Chronic conditions among Tonya Ketcham's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes35%
Share of Medicare patients with each condition. A patient can have several.
Tonya Ketcham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tonya G. Ketcham wrote 74 Medicare Part D claims in 2024
In 2024, Tonya Ketcham wrote 74 Medicare Part D claims for 22 patients. 31% of them were for generic drugs.
Tonya Ketcham's Part D claims by kind of drug, 2024
- Generic23 claims31%
- Brand-name51 claims69%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tonya G. Ketcham takes part in Medicare
Tonya Ketcham 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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Tonya G. Ketcham received $123 in industry payments in 2025
CMS Open Payments shows 2 general payments to Tonya Ketcham from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $107.
Companies that paid Tonya Ketcham 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 Tonya G. Ketcham'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 Tonya G. Ketcham
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tonya G. Ketcham's NPI number?
Tonya G. Ketcham's NPI number is 1902809338. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What does Tonya G. Ketcham specialize in?
Tonya G. Ketcham is an optometrist in Houston, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Tonya G. Ketcham practice?
Tonya Ketcham practices at 4901 Calhoun Rd, Houston, TX 77204. Tonya Ketcham's primary practice is University Eye Institute in Houston, Texas. Dmand AI also links Tonya Ketcham to 1 group practice or clinic and 1 medical group.
What is Tonya G. Ketcham's office phone number?
The practice phone on file for Tonya Ketcham is (713) 743-1921.
What is Tonya G. Ketcham's medical license number?
Tonya Ketcham holds Texas license 6659.
Does Tonya G. Ketcham accept Medicare?
Yes. CMS lists Tonya Ketcham as accepting Medicare assignment.
How many Medicare patients does Tonya G. Ketcham see?
CMS counts 31 Medicare patients who saw Tonya Ketcham in 2024, with an average age of 74.
Has Tonya G. Ketcham received payments from drug or device companies?
CMS Open Payments shows $123 in general payments to Tonya Ketcham from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Tonya G. Ketcham been practicing?
Tonya Ketcham graduated from medical school in 1990, 36 years ago.
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