Catherine Y. Tan, OD
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 27
- Industry payments
- $425
- Affiliated sites
- 2
- State license
- 1
- Practice address
- 1020 Tierra Del Rey, Chula Vista, CA 91910
- Practice phone
- Call (858) 573-9368
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mdrs Spine & Sport, Inc
Chula Vista, California
Find Catherine Tan'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.
Catherine Y. Tan is an optometrist in Chula Vista, California
Catherine Tan practices at Mdrs Spine & Sport, Inc in Chula Vista, California.
Catherine Tan's NPI, 1194855288, was assigned on March 7, 2007. Catherine Tan graduated from Pennsylvania College of Optometry in 2004. Catherine Tan holds California license 12696.
- NPI
- 1194855288NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618150830
- NPI enumeration date
- March 7, 2007
- NPI status
- Active
- Practice phone
- (858) 573-9368
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Catherine Y. Tan practices at Mdrs Spine & Sport, Inc in Chula Vista, California
Catherine Tan's primary practice is Mdrs Spine & Sport, Inc, at 1020 Tierra Del Rey, Chula Vista, CA 91910 in San Diego County. The practice phone is (858) 573-9368.
- Mdrs Spine & Sport, Inc1020 Tierra Del Rey, Chula Vista, CA 91910 · San Diego CountyPhone(858) 573-9368
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Catherine Y. Tan is affiliated with 3 sites of care
Catherine Tan's primary practice is Mdrs Spine & Sport, Inc in Chula Vista, California. Dmand AI also links Catherine Tan to 1 physician office and 1 therapy and rehab clinic, 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 Catherine Y. Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Tan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mdrs Spine & Sport, Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Catherine Y. Tan is one of 7,206 optometrists in California
Optometrist is Catherine Tan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Catherine Tan is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Catherine Tan
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
Catherine Y. Tan treated 25 Medicare patients in 2024, average age 75
CMS counts 25 Medicare patients who saw Catherine Tan in 2024. The largest group is 75 to 84, with 12 patients. 75% of them have high cholesterol, and 52% have high blood pressure. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Catherine Tan's median patient age at 71, with 69% women.
Catherine Tan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Catherine Tan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure52%
Share of Medicare patients with each condition. A patient can have several.
Catherine Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Catherine Y. Tan wrote 27 Medicare Part D claims in 2024
In 2024, Catherine Tan wrote 27 Medicare Part D claims. 44% of them were for generic drugs.
Catherine Tan's Part D claims by kind of drug, 2024
- Generic12 claims44%
- Brand-name15 claims56%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Catherine Y. Tan takes part in Medicare
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Catherine Y. Tan received $425 in industry payments in 2025
CMS Open Payments shows 6 general payments to Catherine Tan from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $245.
Companies that paid Catherine Tan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Catherine Y. Tan graduated from Pennsylvania College of Optometry
Catherine Tan graduated from Pennsylvania College of Optometry in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Catherine Y. Tan'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 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 Catherine Y. Tan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Catherine Y. Tan's NPI number?
Catherine Y. Tan's NPI number is 1194855288. It was assigned on March 7, 2007, and it is active in the NPI Registry.
What does Catherine Y. Tan specialize in?
Catherine Y. Tan is an optometrist in Chula Vista, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Catherine Y. Tan practice?
Catherine Tan practices at 1020 Tierra Del Rey, Chula Vista, CA 91910. Catherine Tan's primary practice is Mdrs Spine & Sport, Inc in Chula Vista, California. Dmand AI also links Catherine Tan to 1 physician office and 1 therapy and rehab clinic.
What is Catherine Y. Tan's office phone number?
The practice phone on file for Catherine Tan is (858) 573-9368.
What is Catherine Y. Tan's medical license number?
Catherine Tan holds California license 12696.
How many Medicare patients does Catherine Y. Tan see?
CMS counts 25 Medicare patients who saw Catherine Tan in 2024, with an average age of 75.
Where did Catherine Y. Tan go to medical school?
Catherine Tan graduated from Pennsylvania College of Optometry in 2004.
Has Catherine Y. Tan received payments from drug or device companies?
CMS Open Payments shows $425 in general payments to Catherine Tan from 3 companies from 2025 to 2025. The largest total came from Glaukos Corporation.
How long has Catherine Y. Tan been practicing?
Catherine Tan graduated from medical school in 2004, 22 years ago.
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