Cory Gene Preston, OD
- Medicare patients, 2024
- 12
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 3601 W Florida Ave, Hemet, CA 92545
- Practice phone
- Call (513) 765-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eyeexam of California
Hemet, California
Find Cory Preston'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.
Cory Gene Preston is an optometrist in Hemet, California
Cory Preston practices at Eyeexam of California in Hemet, California.
Cory Preston's NPI, 1679533681, was assigned on March 24, 2006. Cory Preston graduated from New England College of Optometry in 2000. Cory Preston holds California license OPT11523.
- NPI
- 1679533681NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618030388
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (513) 765-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Cory Gene Preston practices at Eyeexam of California in Hemet, California
Cory Preston's primary practice is Eyeexam of California, at 3601 W Florida Ave, Hemet, CA 92545 in Riverside County. The practice phone is (513) 765-6000.
- Eyeexam of California3601 W Florida Ave, Hemet, CA 92545 · Riverside CountyPhone(513) 765-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Cory Gene Preston is affiliated with 2 sites of care and 1 medical group
Cory Preston's primary practice is Eyeexam of California in Hemet, California. Dmand AI also links Cory Preston 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 Cory Gene Preston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cory Preston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eyeexam of California | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Cory Gene Preston is one of 7,206 optometrists in California
Optometrist is Cory Preston's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Cory Preston's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
- New York license
Optometrists near Cory Preston
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
Cory Gene Preston treated 12 Medicare patients in 2024, average age 76
CMS counts 12 Medicare patients who saw Cory Preston in 2024. The largest group is under 65, with 0 patients. 75% of them have high cholesterol. Their average risk score is 0.62, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Cory Preston's median patient age at 69, with 51% women.
Cory Preston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Cory Preston's Medicare patients, 2024
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Cory Preston'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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Cory Gene Preston takes part in Medicare
Cory Preston 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)
Cory Gene Preston graduated from New England College of Optometry
Cory Preston graduated from New England College of Optometry in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Cory Gene Preston'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) |
| 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 Cory Gene Preston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cory Gene Preston's NPI number?
Cory Gene Preston's NPI number is 1679533681. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What does Cory Gene Preston specialize in?
Cory Gene Preston is an optometrist in Hemet, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Cory Gene Preston practice?
Cory Preston practices at 3601 W Florida Ave, Hemet, CA 92545. Cory Preston's primary practice is Eyeexam of California in Hemet, California. Dmand AI also links Cory Preston to 1 group practice or clinic and 1 medical group.
What is Cory Gene Preston's office phone number?
The practice phone on file for Cory Preston is (513) 765-6000.
What is Cory Gene Preston's medical license number?
Cory Preston holds California license OPT11523, one of the licenses on file in 2 states.
Which states has Cory Gene Preston been licensed in?
Dmand AI has state licenses on file for Cory Preston in California and New York.
Does Cory Gene Preston accept Medicare?
Yes. CMS lists Cory Preston as accepting Medicare assignment.
How many Medicare patients does Cory Gene Preston see?
CMS counts 12 Medicare patients who saw Cory Preston in 2024, with an average age of 76.
Where did Cory Gene Preston go to medical school?
Cory Preston graduated from New England College of Optometry in 2000.
How long has Cory Gene Preston been practicing?
Cory Preston graduated from medical school in 2000, 26 years ago.
Selling to optometrist practices?
See optometrists in California 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