Thomas Leonard Ruiz
- Industry payments
- $251
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 13460 S Archer Ave, Lemont, IL 60439-4755
- Practice phone
- Call (847) 458-5343
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
In Focus Eyecare - Lemont
Eye care practice · Lemont, Illinois
Find Thomas Ruiz'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.
Thomas Leonard Ruiz is an optometrist in Fountain Valley, California
Thomas Ruiz practices at In Focus Eyecare - Lemont in Lemont, Illinois.
Thomas Ruiz's NPI, 1316597594, was assigned on September 18, 2019. Thomas Ruiz graduated from Illinois College of Optometry at Chicago in 2019. Thomas Ruiz holds Illinois license 046.011381.
- NPI
- 1316597594NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436581410
- NPI enumeration date
- September 18, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 458-5343
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas Leonard Ruiz practices in Lemont and Fountain Valley
Thomas Ruiz's primary practice is In Focus Eyecare - Lemont, at 13460 S Archer Ave, Lemont, IL 60439-4755. The practice phone is (847) 458-5343. The NPI Registry lists Thomas Ruiz's practice address as 9920 Talbert Ave, Fountain Valley, CA 92708.
- In Focus Eyecare - LemontPrimary13460 S Archer Ave, Lemont, IL 60439-4755Phone(847) 458-5343
- NPI Registry address9920 Talbert Ave, Fountain Valley, CA 92708 · Orange County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Thomas Leonard Ruiz is affiliated with 2 sites of care and 2 medical groups
Thomas Ruiz's primary practice is In Focus Eyecare - Lemont in Lemont, Illinois. Dmand AI also links Thomas Ruiz to 2 medical groups and 1 physician office, 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 Thomas Leonard Ruiz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Ruiz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| In Focus Eyecare - Lemont | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Thomas Leonard Ruiz is one of 7,206 optometrists in California
Optometrist is Thomas Ruiz's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Thomas Ruiz is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Thomas Ruiz
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
Thomas Leonard Ruiz's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Thomas Ruiz's median patient age at 44, with 58% women.
Thomas Ruiz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
How Thomas Leonard Ruiz takes part in Medicare
Thomas Ruiz 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)
Thomas Leonard Ruiz received $251 in industry payments in 2025
CMS Open Payments shows 2 general payments to Thomas Ruiz 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, $251.
Companies that paid Thomas Ruiz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Thomas Leonard Ruiz graduated from Illinois College of Optometry at Chicago
Thomas Ruiz graduated from Illinois College of Optometry at Chicago in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thomas Leonard Ruiz'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 |
| 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 Thomas Leonard Ruiz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thomas Leonard Ruiz's NPI number?
Thomas Leonard Ruiz's NPI number is 1316597594. It was assigned on September 18, 2019, and it is active in the NPI Registry.
What does Thomas Leonard Ruiz specialize in?
Thomas Leonard Ruiz is an optometrist in Fountain Valley, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Thomas Leonard Ruiz practice?
Thomas Ruiz practices at 13460 S Archer Ave, Lemont, IL 60439-4755. Thomas Ruiz also practices at 9920 Talbert Ave, Fountain Valley, CA 92708. Thomas Ruiz's primary practice is In Focus Eyecare - Lemont in Lemont, Illinois. Dmand AI also links Thomas Ruiz to 2 medical groups and 1 physician office.
What is Thomas Leonard Ruiz's office phone number?
The practice phone on file for Thomas Ruiz is (847) 458-5343.
What is Thomas Leonard Ruiz's medical license number?
Thomas Ruiz holds Illinois license 046.011381.
Does Thomas Leonard Ruiz accept Medicare?
Yes. CMS lists Thomas Ruiz as accepting Medicare assignment.
Where did Thomas Leonard Ruiz go to medical school?
Thomas Ruiz graduated from Illinois College of Optometry at Chicago in 2019.
Has Thomas Leonard Ruiz received payments from drug or device companies?
CMS Open Payments shows $251 in general payments to Thomas Ruiz from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Thomas Leonard Ruiz been practicing?
Thomas Ruiz graduated from medical school in 2019, 7 years ago.
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