Randall Richard Johnson, OD
- Medicare patients, 2024
- 180
- Part D claims, 2024
- 220
- Hospital affiliations
- 1
- Industry payments
- $4
- Medical group
- 1
- Practice address
- 801 Illini Dr, Silvis, IL 61282
- Practice phone
- Call (309) 281-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Randall Johnson'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.
Randall Richard Johnson is an optometrist in Silvis, Illinois
Randall Johnson practices at MercyOne Genesis Silvis Medical Center in Silvis, Illinois, part of Trinity Health.
Randall Johnson's NPI, 1780640391, was assigned on April 22, 2006. Randall Johnson graduated from New England College of Optometry in 1999. Randall Johnson holds Iowa license 02142.
- NPI
- 1780640391NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032013925
- NPI enumeration date
- April 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (309) 281-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Randall Richard Johnson practices at MercyOne Genesis Silvis Medical Center in Silvis, Illinois
Randall Johnson's primary practice is MercyOne Genesis Silvis Medical Center, at 801 Illini Dr, Silvis, IL 61282 in Rock Island County. The practice phone is (309) 281-4000.
- MercyOne Genesis Silvis Medical Center801 Illini Dr, Silvis, IL 61282 · Rock Island CountyPhone(309) 281-4000
Source: Dmand AI Affiliation Data
Randall Richard Johnson is affiliated with 2 sites of care and 1 medical group
Randall Johnson's primary practice is MercyOne Genesis Silvis Medical Center in Silvis, Illinois, part of Trinity Health. Dmand AI also links Randall Johnson to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Randall Richard Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Randall Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne Genesis Silvis Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Randall Richard Johnson is one of 2,194 optometrists in Illinois
Optometrist is Randall Johnson's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Randall Johnson is licensed in Iowa.
Specialties and state licenses
- Optometrist, IowaPrimary
Optometrists near Randall Johnson
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
Randall Richard Johnson treated 180 Medicare patients in 2024, average age 74
CMS counts 180 Medicare patients who saw Randall Johnson in 2024. The largest group is 65 to 74, with 100 patients. 72% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Randall Johnson's median patient age at 69, with 57% women.
Randall Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Randall Johnson's Medicare patients by sex, 2024
- Women9653%
- Men8447%
Chronic conditions among Randall Johnson's Medicare patients, 2024
- High cholesterol72%
- High blood pressure61%
- Arthritis42%
- Diabetes24%
- Chronic kidney disease19%
- Anxiety18%
- Mood disorders17%
- Depression16%
Share of Medicare patients with each condition. A patient can have several.
Randall Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Randall Richard Johnson wrote 220 Medicare Part D claims in 2024
In 2024, Randall Johnson wrote 220 Medicare Part D claims for 70 patients. 65% of them were for generic drugs.
Randall Johnson's Part D claims by kind of drug, 2024
- Generic142 claims65%
- Brand-name78 claims35%
Drug classes CMS tracks in Randall Johnson's Part D claims, 2024
- Antibiotics10%23 of 220 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Randall Richard Johnson ranks in the 59th percentile for cataract surgery in Medicare
Randall Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 40 procedures of cataract surgery by Randall Johnson, more than 59% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Randall Johnson ranks in Medicare procedure volume
- Cataract surgery
- 59th percentile40 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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Randall Richard Johnson received $4 in industry payments in 2025
CMS Open Payments shows 1 general payment to Randall Johnson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $4.
Companies that paid Randall Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Randall Richard Johnson graduated from New England College of Optometry
Randall Johnson graduated from New England College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Randall Richard Johnson'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 DataDmand AI Org Hierarchy 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) |
| 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 Randall Richard Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Randall Richard Johnson's NPI number?
Randall Richard Johnson's NPI number is 1780640391. It was assigned on April 22, 2006, and it is active in the NPI Registry.
What does Randall Richard Johnson specialize in?
Randall Richard Johnson is an optometrist in Silvis, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Randall Richard Johnson practice?
Randall Johnson practices at 801 Illini Dr, Silvis, IL 61282. Randall Johnson's primary practice is MercyOne Genesis Silvis Medical Center in Silvis, Illinois, part of Trinity Health. Dmand AI also links Randall Johnson to 1 group practice or clinic and 1 medical group.
What is Randall Richard Johnson's office phone number?
The practice phone on file for Randall Johnson is (309) 281-4000.
What is Randall Richard Johnson's medical license number?
Randall Johnson holds Iowa license 02142.
Which hospitals is Randall Richard Johnson affiliated with?
Randall Johnson practices at MercyOne Genesis Silvis Medical Center in Silvis, Illinois.
Does Randall Richard Johnson accept Medicare?
Yes. CMS lists Randall Johnson as accepting Medicare assignment.
How many Medicare patients does Randall Richard Johnson see?
CMS counts 180 Medicare patients who saw Randall Johnson in 2024, with an average age of 74.
Where did Randall Richard Johnson go to medical school?
Randall Johnson graduated from New England College of Optometry in 1999.
Has Randall Richard Johnson received payments from drug or device companies?
CMS Open Payments shows $4 in general payments to Randall Johnson from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Randall Richard Johnson been practicing?
Randall Johnson graduated from medical school in 1999, 27 years ago.
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