Thomas Alan Underhill, OD
- Medicare patients, 2024
- 219
- Part D claims, 2024
- 174
- Industry payments
- $711
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 5995 S Pointe Blvd Ste 111 Suite 111, Fort Myers, FL 33919
- Practice phone
- Call (239) 482-0355
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Doctors Eyecare Centers
Eye care practice · Fort Myers, Florida
Find Thomas Underhill'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 Alan Underhill is an optometrist in Fort Myers, Florida
Thomas Underhill practices at Doctors Eyecare Centers in Fort Myers, Florida.
Thomas Underhill's NPI, 1477079598, was assigned on August 21, 2017. Thomas Underhill holds Florida license OPC5456.
- NPI
- 1477079598NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597030353
- NPI enumeration date
- August 21, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (239) 482-0355
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas Alan Underhill practices at Doctors Eyecare Centers in Fort Myers, Florida
Thomas Underhill's primary practice is Doctors Eyecare Centers, at 5995 S Pointe Blvd Ste 111 Suite 111, Fort Myers, FL 33919. The practice phone is (239) 482-0355.
- Doctors Eyecare Centers5995 S Pointe Blvd Ste 111 Suite 111, Fort Myers, FL 33919Phone(239) 482-0355
Source: Dmand AI Affiliation Data
Thomas Alan Underhill is affiliated with 1 site of care and 1 medical group
Thomas Underhill's primary practice is Doctors Eyecare Centers in Fort Myers, Florida. Dmand AI also links Thomas Underhill to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Thomas Alan Underhill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Underhill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Doctors Eyecare Centers | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Thomas Alan Underhill is one of 2,585 optometrists in Florida
Optometrist is Thomas Underhill's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Thomas Underhill is licensed in Florida.
Specialties and state licenses
- Optometrist, FloridaPrimary
Optometrists near Thomas Underhill
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 Alan Underhill treated 219 Medicare patients in 2024, average age 76
CMS counts 219 Medicare patients who saw Thomas Underhill in 2024. The largest group is 75 to 84, with 102 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Thomas Underhill's median patient age at 75, with 61% women.
Thomas Underhill's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Thomas Underhill's Medicare patients by sex, 2024
- Women13260%
- Men8740%
Chronic conditions among Thomas Underhill's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis44%
- Ischemic heart disease26%
- Chronic kidney disease23%
- Atrial fibrillation21%
- Diabetes21%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Thomas Underhill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas Alan Underhill wrote 174 Medicare Part D claims in 2024
In 2024, Thomas Underhill wrote 174 Medicare Part D claims for 70 patients. 53% of them were for generic drugs.
Thomas Underhill's Part D claims by kind of drug, 2024
- Generic92 claims53%
- Brand-name82 claims47%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Thomas Alan Underhill ranks in the 41st percentile for cataract surgery in Medicare
Thomas Underhill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of cataract surgery by Thomas Underhill, more than 41% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Thomas Underhill ranks in Medicare procedure volume
- Cataract surgery
- 41st percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Thomas Alan Underhill received $711 in industry payments in 2025
CMS Open Payments shows 10 general payments to Thomas Underhill from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $287.
Companies that paid Thomas Underhill 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 Thomas Alan Underhill'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)Doctors and Clinicians Utilization Data (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 Thomas Alan Underhill
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 Alan Underhill's NPI number?
Thomas Alan Underhill's NPI number is 1477079598. It was assigned on August 21, 2017, and it is active in the NPI Registry.
What does Thomas Alan Underhill specialize in?
Thomas Alan Underhill is an optometrist in Fort Myers, Florida. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Thomas Alan Underhill practice?
Thomas Underhill practices at 5995 S Pointe Blvd Ste 111 Suite 111, Fort Myers, FL 33919. Thomas Underhill's primary practice is Doctors Eyecare Centers in Fort Myers, Florida. Dmand AI also links Thomas Underhill to 1 medical group.
What is Thomas Alan Underhill's office phone number?
The practice phone on file for Thomas Underhill is (239) 482-0355.
What is Thomas Alan Underhill's medical license number?
Thomas Underhill holds Florida license OPC5456.
Does Thomas Alan Underhill accept Medicare?
Yes. CMS lists Thomas Underhill as accepting Medicare assignment.
How many Medicare patients does Thomas Alan Underhill see?
CMS counts 219 Medicare patients who saw Thomas Underhill in 2024, with an average age of 76.
Has Thomas Alan Underhill received payments from drug or device companies?
CMS Open Payments shows $711 in general payments to Thomas Underhill from 5 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Thomas Alan Underhill been practicing?
Thomas Underhill graduated from medical school in 2016, 10 years ago.
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