William J. Gebhard, OD
- Medicare patients, 2024
- 32
- Industry payments
- $155
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 111 E 4th St, Alton, IL 62002
- Practice phone
- Call (904) 992-9991
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aeg Florida Professional
Alton, Illinois
Find William Gebhard'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 J. Gebhard is an optometrist in Alton, Illinois
William Gebhard practices at Aeg Florida Professional in Alton, Illinois.
William Gebhard's NPI, 1710406525, was assigned on September 12, 2017. William Gebhard holds Florida license OPC5377.
- NPI
- 1710406525NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557625456
- NPI enumeration date
- September 12, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 992-9991
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William J. Gebhard practices at Aeg Florida Professional in Alton, Illinois
William Gebhard's primary practice is Aeg Florida Professional, at 111 E 4th St, Alton, IL 62002 in Madison County. The practice phone is (904) 992-9991.
- Aeg Florida Professional111 E 4th St, Alton, IL 62002 · Madison CountyPhone(904) 992-9991
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William J. Gebhard is affiliated with 3 sites of care and 2 medical groups
William Gebhard's primary practice is Aeg Florida Professional in Alton, Illinois. Dmand AI also links William Gebhard to 2 group practices and clinics and 2 medical groups, 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 William J. Gebhard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Gebhard practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aeg Florida Professional | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
William J. Gebhard is one of 2,194 optometrists in Illinois
Optometrist is William Gebhard's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Gebhard is licensed in Florida.
Specialties and state licenses
- Optometrist, FloridaPrimary
Optometrists near William Gebhard
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 J. Gebhard treated 32 Medicare patients in 2024, average age 74
CMS counts 32 Medicare patients who saw William Gebhard in 2024. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Gebhard's median patient age at 67, with 65% women.
William Gebhard's Medicare patients by sex, 2024
- Women1650%
- Men1650%
Chronic conditions among William Gebhard's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis59%
- Ischemic heart disease44%
Share of Medicare patients with each condition. A patient can have several.
William Gebhard's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How William J. Gebhard takes part in Medicare
William Gebhard 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)
William J. Gebhard received $155 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Gebhard 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, $155.
Companies that paid William Gebhard 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 William J. Gebhard'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) |
| 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 William J. Gebhard
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 J. Gebhard's NPI number?
William J. Gebhard's NPI number is 1710406525. It was assigned on September 12, 2017, and it is active in the NPI Registry.
What does William J. Gebhard specialize in?
William J. Gebhard is an optometrist in Alton, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William J. Gebhard practice?
William Gebhard practices at 111 E 4th St, Alton, IL 62002. William Gebhard's primary practice is Aeg Florida Professional in Alton, Illinois. Dmand AI also links William Gebhard to 2 group practices and clinics and 2 medical groups.
What is William J. Gebhard's office phone number?
The practice phone on file for William Gebhard is (904) 992-9991.
What is William J. Gebhard's medical license number?
William Gebhard holds Florida license OPC5377.
Does William J. Gebhard accept Medicare?
Yes. CMS lists William Gebhard as accepting Medicare assignment.
How many Medicare patients does William J. Gebhard see?
CMS counts 32 Medicare patients who saw William Gebhard in 2024, with an average age of 74.
Has William J. Gebhard received payments from drug or device companies?
CMS Open Payments shows $155 in general payments to William Gebhard from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has William J. Gebhard been practicing?
William Gebhard graduated from medical school in 2017, 9 years ago.
Selling to optometrist practices?
See optometrists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card