Dr. Sandy Li-Fan Chen, MD
- Medicare services, 2024
- 455
- Medicare patients, 2024
- 105
- Part D claims, 2024
- 68
- Hospital affiliations
- 1
- Industry payments
- $1,059
- Practice address
- 3239 Stevens Creek Blvd, San Jose, CA 95117-1145
- Practice phone
- Call (408) 502-6188
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alta Eye Care
Eye care practice · San Jose, California
Find Dr. Chen'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.
Dr. Sandy Li-Fan Chen is an ophthalmologist in San Jose, California
Dr. Chen practices at Alta Eye Care in San Jose, California.
Dr. Chen's NPI, 1285624213, was assigned on October 21, 2005. Dr. Chen graduated from UC Davis School of Medicine in 2000. Dr. Chen's California license number on file is A86645.
- NPI
- 1285624213NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729054705
- NPI enumeration date
- October 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 502-6188
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sandy Li-Fan Chen practices at Alta Eye Care in San Jose, California
Dr. Chen's primary practice is Alta Eye Care, at 3239 Stevens Creek Blvd, San Jose, CA 95117-1145. The practice phone is (408) 502-6188.
- Alta Eye Care3239 Stevens Creek Blvd, San Jose, CA 95117-1145Phone(408) 502-6188
Source: Dmand AI Affiliation Data
Dr. Sandy Li-Fan Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Alta Eye Care in San Jose, California. Dr. Chen is also affiliated with El Camino Health - Mountain View Hospital. Dmand AI also links Dr. Chen to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sandy Li-Fan Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alta Eye Care | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sandy Li-Fan Chen is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Oregon license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma and hereditary corneal conditions among the conditions Dr. Chen treats.
Ophthalmologists near Dr. Chen
Counts of ophthalmologists 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
Dr. Sandy Li-Fan Chen billed Medicare for 455 services in 2024
CMS data shows 455 Medicare services from Dr. Chen across 10 procedure codes in 2024, for 105 Medicare patients. Medicare paid $29,750 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3232024: 27415%
- Office and hospital visits
- 2023: 822024: 11945%
- Other services
- 2023: 02024: 62
Dr. Chen compared with the California median for ophthalmologists, 2024
- Dr. Chen
- California median
- Medicare services
- 455vs 1,07958% below
- Medicare patients
- 105vs 42175% below
- Part D claims
- 47vs 61892% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sandy Li-Fan Chen treated 105 Medicare patients in 2024, average age 74
CMS counts 105 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 55, with 59% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women5754%
- Men4846%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis27%
- Diabetes27%
- Osteoporosis21%
- Ischemic heart disease14%
- Atrial fibrillation13%
- Cancer13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sandy Li-Fan Chen wrote 68 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 68 Medicare Part D claims for 19 patients. 63% of them were for generic drugs. CMS names the drug for 47 of them, across 4 drugs with 11 or more claims each, at $886 in total drug cost. In 2023, CMS named 60 claims across 3 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic43 claims63%
- Brand-name25 claims37%
Dr. Chen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 602024: 4722%
Drugs named by CMS: 4 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Sandy Li-Fan Chen takes part in Medicare
Dr. Chen 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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Dr. Sandy Li-Fan Chen received $1,059 in industry payments from 2016 to 2025
CMS Open Payments shows 39 general payments to Dr. Chen from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $304.
General payments to Dr. Chen by program year, 2016 to 2025
Companies that paid Dr. Chen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sandy Li-Fan Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen.
Awards and honors for Dr. Chen
- Undated
- AAO Fellow
Source: Dmand AI Professional Profile Data
Dr. Sandy Li-Fan Chen graduated from UC Davis School of Medicine
Dr. Chen graduated from UC Davis School of Medicine in 2000. Dr. Chen is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Sandy Li-Fan Chen accepts plans from 14 insurance carriers
Dr. Chen is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Sandy Li-Fan Chen'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Sandy Li-Fan Chen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sandy Li-Fan Chen's NPI number?
Dr. Sandy Li-Fan Chen's NPI number is 1285624213. It was assigned on October 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Sandy Li-Fan Chen?
Dr. Sandy Li-Fan Chen is an ophthalmologist in San Jose, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Sandy Li-Fan Chen practice?
Dr. Chen practices at 3239 Stevens Creek Blvd, San Jose, CA 95117-1145. Dr. Chen's primary practice is Alta Eye Care in San Jose, California. Dmand AI also links Dr. Chen to 1 medical group.
What is Dr. Sandy Li-Fan Chen's office phone number?
The practice phone on file for Dr. Chen is (408) 502-6188.
What is Dr. Sandy Li-Fan Chen's medical license number?
Dr. Chen's California license number on file is A86645, one of the licenses on file in 2 states.
Which states has Dr. Sandy Li-Fan Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2004 to 2025) and Oregon (since 2003).
Which hospitals is Dr. Sandy Li-Fan Chen affiliated with?
Dr. Chen is affiliated with El Camino Health - Mountain View Hospital.
Does Dr. Sandy Li-Fan Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 455 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Sandy Li-Fan Chen see?
CMS counts 105 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.
Is Dr. Sandy Li-Fan Chen board certified?
Yes. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology.
Show 6 more questionsShow fewer questions
What services does Dr. Sandy Li-Fan Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214), eye exam or test (92134) and medicare service (G2211).
Where did Dr. Sandy Li-Fan Chen go to medical school?
Dr. Chen graduated from UC Davis School of Medicine in 2000.
What drugs does Dr. Sandy Li-Fan Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Ketorolac Tromethamine, Moxifloxacin and Latanoprost.
Has Dr. Sandy Li-Fan Chen received payments from drug or device companies?
CMS Open Payments shows $1,059 in general payments to Dr. Chen from 9 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Sandy Li-Fan Chen been practicing?
Dr. Chen graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Sandy Li-Fan Chen accept?
Dr. Chen is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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