Robert Dillon Fullenwider, OD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 84
- Industry payments
- $15
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 111 E 4th St, Alton, IL 62002
- Practice phone
- Call (618) 462-9818
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Crown Optical
Alton, Illinois
Find Robert Fullenwider'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.
Robert Dillon Fullenwider is an optometrist in Alton, Illinois
Robert Fullenwider practices at Crown Optical in Alton, Illinois.
Robert Fullenwider's NPI, 1699386755, was assigned on August 12, 2020. Robert Fullenwider graduated from Ohio State University - College of Optometry in 2020. Robert Fullenwider holds Illinois license 046011435.
- NPI
- 1699386755NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648698159
- NPI enumeration date
- August 12, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 462-9818
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Dillon Fullenwider practices at Crown Optical in Alton, Illinois
Robert Fullenwider's primary practice is Crown Optical, at 111 E 4th St, Alton, IL 62002 in Madison County. The practice phone is (618) 462-9818.
- Crown Optical111 E 4th St, Alton, IL 62002 · Madison CountyPhone(618) 462-9818
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert Dillon Fullenwider is affiliated with 3 sites of care and 2 medical groups
Robert Fullenwider's primary practice is Crown Optical in Alton, Illinois. Dmand AI also links Robert Fullenwider 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 Robert Dillon Fullenwider's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Fullenwider practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Crown Optical | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Dillon Fullenwider is one of 2,194 optometrists in Illinois
Optometrist is Robert Fullenwider's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Robert Fullenwider is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Robert Fullenwider
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
Robert Dillon Fullenwider treated 11 Medicare patients in 2024, average age 70
CMS counts 11 Medicare patients who saw Robert Fullenwider in 2024. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Robert Fullenwider's median patient age at 67, with 64% women.
Robert Fullenwider'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
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert Dillon Fullenwider wrote 84 Medicare Part D claims in 2024
In 2024, Robert Fullenwider wrote 84 Medicare Part D claims for 33 patients. 49% of them were for generic drugs.
Robert Fullenwider's Part D claims by kind of drug, 2024
- Generic41 claims49%
- Brand-name43 claims51%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Robert Dillon Fullenwider takes part in Medicare
Robert Fullenwider 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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Robert Dillon Fullenwider received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Robert Fullenwider 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, $15.
Companies that paid Robert Fullenwider the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert Dillon Fullenwider graduated from Ohio State University - College of Optometry
Robert Fullenwider graduated from Ohio State University - College of Optometry in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert Dillon Fullenwider'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 Robert Dillon Fullenwider
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What is Robert Dillon Fullenwider's NPI number?
Robert Dillon Fullenwider's NPI number is 1699386755. It was assigned on August 12, 2020, and it is active in the NPI Registry.
What does Robert Dillon Fullenwider specialize in?
Robert Dillon Fullenwider is an optometrist in Alton, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Robert Dillon Fullenwider practice?
Robert Fullenwider practices at 111 E 4th St, Alton, IL 62002. Robert Fullenwider's primary practice is Crown Optical in Alton, Illinois. Dmand AI also links Robert Fullenwider to 2 group practices and clinics and 2 medical groups.
What is Robert Dillon Fullenwider's office phone number?
The practice phone on file for Robert Fullenwider is (618) 462-9818.
What is Robert Dillon Fullenwider's medical license number?
Robert Fullenwider holds Illinois license 046011435.
Does Robert Dillon Fullenwider accept Medicare?
Yes. CMS lists Robert Fullenwider as accepting Medicare assignment.
How many Medicare patients does Robert Dillon Fullenwider see?
CMS counts 11 Medicare patients who saw Robert Fullenwider in 2024, with an average age of 70.
Where did Robert Dillon Fullenwider go to medical school?
Robert Fullenwider graduated from Ohio State University - College of Optometry in 2020.
Has Robert Dillon Fullenwider received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Robert Fullenwider from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Robert Dillon Fullenwider been practicing?
Robert Fullenwider graduated from medical school in 2020, 6 years ago.
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