Thomas H. Tsai, OD
- Medicare patients, 2024
- 179
- Part D claims, 2024
- 140
- Industry payments
- $22
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 10001 Southpoint Pkwy, Fredericksburg, VA 22407
- Practice phone
- Call (540) 834-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr Thomas Tsai, O.D.
Fredericksburg, Virginia
Find Thomas Tsai'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 H. Tsai is an optometrist in Fredericksburg, Virginia
Thomas Tsai practices at Dr Thomas Tsai, O.D. in Fredericksburg, Virginia.
Thomas Tsai's NPI, 1518954619, was assigned on October 4, 2005. Thomas Tsai graduated from Indiana University - School of Optometry in 2004. Thomas Tsai holds Virginia license 0618001457.
- NPI
- 1518954619NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103847959
- NPI enumeration date
- October 4, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 834-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas H. Tsai practices at Dr Thomas Tsai, O.D. in Fredericksburg, Virginia
Thomas Tsai's primary practice is Dr Thomas Tsai, O.D., at 10001 Southpoint Pkwy, Fredericksburg, VA 22407 in Spotsylvania County. The practice phone is (540) 834-2020.
- Dr Thomas Tsai, O.D.10001 Southpoint Pkwy, Fredericksburg, VA 22407 · Spotsylvania CountyPhone(540) 834-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Thomas H. Tsai is affiliated with 2 sites of care and 1 medical group
Thomas Tsai's primary practice is Dr Thomas Tsai, O.D. in Fredericksburg, Virginia. Dmand AI also links Thomas Tsai 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 Thomas H. Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Tsai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr Thomas Tsai, O.D. | 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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Thomas H. Tsai is one of 2,487 optometrists in Virginia
Optometrist is Thomas Tsai's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Thomas Tsai is licensed in Virginia.
Specialties and state licenses
- Optometrist, VirginiaPrimary
Optometrists near Thomas Tsai
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 H. Tsai treated 179 Medicare patients in 2024, average age 75
CMS counts 179 Medicare patients who saw Thomas Tsai in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Thomas Tsai's median patient age at 61, with 56% women.
Thomas Tsai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Thomas Tsai's Medicare patients by sex, 2024
- Women10257%
- Men7743%
Chronic conditions among Thomas Tsai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes42%
- Arthritis37%
- Ischemic heart disease35%
- Chronic kidney disease21%
- Atrial fibrillation19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Thomas Tsai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas H. Tsai wrote 140 Medicare Part D claims in 2024
In 2024, Thomas Tsai wrote 140 Medicare Part D claims for 49 patients. 86% of them were for generic drugs.
Thomas Tsai's Part D claims by kind of drug, 2024
- Generic120 claims86%
- Brand-name20 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Thomas H. Tsai takes part in Medicare
Thomas Tsai 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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Thomas H. Tsai received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to Thomas Tsai 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, $22.
Companies that paid Thomas Tsai 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 H. Tsai graduated from Indiana University - School of Optometry
Thomas Tsai graduated from Indiana University - School of Optometry in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thomas H. Tsai'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) |
| 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 H. Tsai
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 H. Tsai's NPI number?
Thomas H. Tsai's NPI number is 1518954619. It was assigned on October 4, 2005, and it is active in the NPI Registry.
What does Thomas H. Tsai specialize in?
Thomas H. Tsai is an optometrist in Fredericksburg, Virginia. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Thomas H. Tsai practice?
Thomas Tsai practices at 10001 Southpoint Pkwy, Fredericksburg, VA 22407. Thomas Tsai's primary practice is Dr Thomas Tsai, O.D. in Fredericksburg, Virginia. Dmand AI also links Thomas Tsai to 1 group practice or clinic and 1 medical group.
What is Thomas H. Tsai's office phone number?
The practice phone on file for Thomas Tsai is (540) 834-2020.
What is Thomas H. Tsai's medical license number?
Thomas Tsai holds Virginia license 0618001457.
Does Thomas H. Tsai accept Medicare?
Yes. CMS lists Thomas Tsai as accepting Medicare assignment.
How many Medicare patients does Thomas H. Tsai see?
CMS counts 179 Medicare patients who saw Thomas Tsai in 2024, with an average age of 75.
Where did Thomas H. Tsai go to medical school?
Thomas Tsai graduated from Indiana University - School of Optometry in 2004.
Has Thomas H. Tsai received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Thomas Tsai from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Thomas H. Tsai been practicing?
Thomas Tsai graduated from medical school in 2004, 22 years ago.
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