Cynthia Arata Lo, OD
- Medicare patients, 2024
- 279
- Part D claims, 2024
- 105
- Industry payments
- $39
- Affiliated sites
- 2
- Medical groups
- 2
- 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 Cynthia Lo'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.
Cynthia Arata Lo is an optometrist in Mission Viejo, California
Cynthia Lo practices at Total Vision in Mission Viejo, California.
Cynthia Lo's NPI, 1073711461, was assigned on July 6, 2007. Cynthia Lo graduated from Southern California College of Optometry in 2007. Cynthia Lo holds California license 13295.
- NPI
- 1073711461NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577633270
- NPI enumeration date
- July 6, 2007
- 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
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Cynthia Arata Lo practices at Total Vision in Mission Viejo, California
Cynthia Lo'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
Cynthia Arata Lo is affiliated with 3 sites of care and 2 medical groups
Cynthia Lo's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links Cynthia Lo 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 Cynthia Arata Lo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cynthia Lo 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 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Cynthia Arata Lo is one of 7,206 optometrists in California
Optometrist is Cynthia Lo's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Cynthia Lo is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Cynthia Lo
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
Cynthia Arata Lo treated 279 Medicare patients in 2024, average age 76
CMS counts 279 Medicare patients who saw Cynthia Lo in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have high cholesterol, and 59% 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 Cynthia Lo's median patient age at 75, with 43% women.
Cynthia Lo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Cynthia Lo's Medicare patients by sex, 2024
- Women16760%
- Men11240%
Chronic conditions among Cynthia Lo's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis41%
- Ischemic heart disease25%
- Osteoporosis23%
- Diabetes22%
- Cancer19%
- Chronic kidney disease13%
Share of Medicare patients with each condition. A patient can have several.
Cynthia Lo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Cynthia Arata Lo wrote 105 Medicare Part D claims in 2024
In 2024, Cynthia Lo wrote 105 Medicare Part D claims for 28 patients. 51% of them were for generic drugs.
Cynthia Lo's Part D claims by kind of drug, 2024
- Generic54 claims51%
- Brand-name51 claims49%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Cynthia Arata Lo ranks in the 40th percentile for cataract surgery in Medicare
Cynthia Lo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of cataract surgery by Cynthia Lo, more than 40% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Cynthia Lo ranks in Medicare procedure volume
- Cataract surgery
- 40th percentile16 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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Cynthia Arata Lo received $39 in industry payments in 2025
CMS Open Payments shows 2 general payments to Cynthia Lo 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, $39.
Companies that paid Cynthia Lo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Cynthia Arata Lo graduated from Southern California College of Optometry
Cynthia Lo graduated from Southern California College of Optometry in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Cynthia Arata Lo'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 Cynthia Arata Lo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cynthia Arata Lo's NPI number?
Cynthia Arata Lo's NPI number is 1073711461. It was assigned on July 6, 2007, and it is active in the NPI Registry.
What does Cynthia Arata Lo specialize in?
Cynthia Arata Lo is an optometrist in Mission Viejo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Cynthia Arata Lo practice?
Cynthia Lo practices at 27271 Las Ramblas, Mission Viejo, CA 92691. Cynthia Lo's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links Cynthia Lo to 2 group practices and clinics and 2 medical groups.
What is Cynthia Arata Lo's office phone number?
The practice phone on file for Cynthia Lo is (858) 487-5555.
What is Cynthia Arata Lo's medical license number?
Cynthia Lo holds California license 13295.
Does Cynthia Arata Lo accept Medicare?
Yes. CMS lists Cynthia Lo as accepting Medicare assignment.
How many Medicare patients does Cynthia Arata Lo see?
CMS counts 279 Medicare patients who saw Cynthia Lo in 2024, with an average age of 76.
Where did Cynthia Arata Lo go to medical school?
Cynthia Lo graduated from Southern California College of Optometry in 2007.
Has Cynthia Arata Lo received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Cynthia Lo from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Cynthia Arata Lo been practicing?
Cynthia Lo graduated from medical school in 2007, 19 years ago.
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