Carlton Lloyd Chan, OD
- Medicare patients, 2024
- 339
- Part D claims, 2024
- 211
- Industry payments
- $1,446
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 27271 Las Ramblas, Mission Viejo, CA 92691
- Practice phone
- Call (858) 487-5555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Total Vision
Mission Viejo, California
Find Carlton Chan'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.
Carlton Lloyd Chan is an optometrist in Mission Viejo, California
Carlton Chan practices at Total Vision in Mission Viejo, California.
Carlton Chan's NPI, 1659367811, was assigned on September 23, 2005. Carlton Chan graduated from Southern California College of Optometry in 1990. Carlton Chan holds California license CA9520TLG.
- NPI
- 1659367811NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779710942
- NPI enumeration date
- September 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 487-5555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Carlton Lloyd Chan practices at Total Vision in Mission Viejo, California
Carlton Chan's primary practice is Total Vision, at 27271 Las Ramblas, Mission Viejo, CA 92691 in Orange County. The practice phone is (858) 487-5555.
- Total Vision27271 Las Ramblas, Mission Viejo, CA 92691 · Orange CountyPhone(858) 487-5555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Carlton Lloyd Chan is affiliated with 3 sites of care and 1 medical group
Carlton Chan's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links Carlton Chan to 1 physician office, 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 Carlton Lloyd Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Carlton Chan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Total Vision | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Carlton Lloyd Chan is one of 7,206 optometrists in California
Optometrist is Carlton Chan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Carlton Chan is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Carlton Chan
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
Carlton Lloyd Chan treated 339 Medicare patients in 2024, average age 74
CMS counts 339 Medicare patients who saw Carlton Chan in 2024. The largest group is 65 to 74, with 186 patients. 70% of them have high cholesterol, and 51% have high blood pressure. Their average risk score is 0.72, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Carlton Chan's median patient age at 72, with 55% women.
Carlton Chan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Carlton Chan's Medicare patients by sex, 2024
- Women18254%
- Men15746%
Chronic conditions among Carlton Chan's Medicare patients, 2024
- High cholesterol70%
- High blood pressure51%
- Arthritis41%
- Ischemic heart disease19%
- Osteoporosis18%
- Atrial fibrillation14%
- Cancer14%
- Chronic kidney disease12%
Share of Medicare patients with each condition. A patient can have several.
Carlton Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Carlton Lloyd Chan wrote 211 Medicare Part D claims in 2024
In 2024, Carlton Chan wrote 211 Medicare Part D claims for 46 patients. 33% of them were for generic drugs.
Carlton Chan's Part D claims by kind of drug, 2024
- Generic69 claims33%
- Brand-name142 claims67%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Carlton Lloyd Chan takes part in Medicare
Carlton Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Carlton Lloyd Chan received $1,446 in industry payments in 2025
CMS Open Payments shows 8 general payments to Carlton Chan from 3 drug and device companies in 2025. Travel and lodging make up the largest share, 74% of the total. Alcon Laboratories Inc paid the most, $1,235.
General payments to Carlton Chan by kind, 2025 to 2025
- Travel and lodging$1,07474%
- Food and beverage$37326%
Companies that paid Carlton Chan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Carlton Lloyd Chan graduated from Southern California College of Optometry
Carlton Chan graduated from Southern California College of Optometry in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Carlton Lloyd Chan'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)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 Carlton Lloyd Chan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Carlton Lloyd Chan's NPI number?
Carlton Lloyd Chan's NPI number is 1659367811. It was assigned on September 23, 2005, and it is active in the NPI Registry.
What does Carlton Lloyd Chan specialize in?
Carlton Lloyd Chan is an optometrist in Mission Viejo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Carlton Lloyd Chan practice?
Carlton Chan practices at 27271 Las Ramblas, Mission Viejo, CA 92691. Carlton Chan's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links Carlton Chan to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Carlton Lloyd Chan's office phone number?
The practice phone on file for Carlton Chan is (858) 487-5555.
What is Carlton Lloyd Chan's medical license number?
Carlton Chan holds California license CA9520TLG.
Does Carlton Lloyd Chan accept Medicare?
Yes. CMS lists Carlton Chan as accepting Medicare assignment.
How many Medicare patients does Carlton Lloyd Chan see?
CMS counts 339 Medicare patients who saw Carlton Chan in 2024, with an average age of 74.
Where did Carlton Lloyd Chan go to medical school?
Carlton Chan graduated from Southern California College of Optometry in 1990.
Has Carlton Lloyd Chan received payments from drug or device companies?
CMS Open Payments shows $1,446 in general payments to Carlton Chan from 3 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Carlton Lloyd Chan been practicing?
Carlton Chan graduated from medical school in 1990, 36 years ago.
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