Semin Pediatr Neurol
Accommodation, OcularDiplopiaHeadache
Dr. Elena Y. Nguyen, MD
NPI1235592387PAC ID6002106234
- Medicare services, 2024
- 340
- Medicare patients, 2024
- 130
- Part D claims, 2024
- 115
- Publications
- 4
- Hospital affiliations
- 1
- Practice address
- 2081 Forest Ave, San Jose, CA 95128
- Practice phone
- Call (408) 777-6350
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Clara Ophthalmology Incorporated
San Jose, California
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Elena Y. Nguyen is an ophthalmologist in San Jose, California
Dr. Nguyen practices at Santa Clara Ophthalmology Incorporated in San Jose, California.
Dr. Nguyen's NPI, 1235592387, was assigned on April 5, 2016. Dr. Nguyen graduated from West Virginia University School Of Medicine in 2016. Dr. Nguyen's California license number on file is A173649.
NPI and contact details
- NPI
- 1235592387NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002106234
- NPI enumeration date
- April 5, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 777-6350
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Elena Y. Nguyen practices at Santa Clara Ophthalmology Incorporated in San Jose, California
Dr. Nguyen's primary practice is Santa Clara Ophthalmology Incorporated, at 2081 Forest Ave, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 777-6350.
- Santa Clara Ophthalmology Incorporated2081 Forest Ave, San Jose, CA 95128 · Santa Clara CountyPhone(408) 777-6350
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Elena Y. Nguyen is affiliated with 3 sites of care and 1 medical group
Dr. Nguyen's primary practice is Santa Clara Ophthalmology Incorporated in San Jose, California. Dr. Nguyen is also affiliated with Mills-Peninsula Medical Center. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic and 1 medical group, each named with a free account.
Santa Clara Ophthalmology IncorporatedPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Elena Y. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Ophthalmology Incorporated | 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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Dr. Elena Y. Nguyen is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Nguyen is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Nguyen's licenses on file in 3 states: California, Ohio and West Virginia.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Ohio license
- West Virginia license
Clinical focus
Dmand AI lists cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, scleritis, secondary membranaous cataract surgery and shingles among the conditions Dr. Nguyen treats.
Ophthalmologists near Dr. Nguyen
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. Elena Y. Nguyen billed Medicare for 340 services in 2024
CMS data shows 340 Medicare services from Dr. Nguyen across 10 procedure codes in 2024, for 130 Medicare patients. Medicare paid $28,237 for them. Every service was in an office.
Medicare services, 2024340
Medicare patients130
Paid by Medicare$28,237
Procedure codes10
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1082024: 287166%
- Office and hospital visits
- 2023: 262024: 53104%
Dr. Nguyen compared with the California median for ophthalmologists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 340vs 1,07968% below
- Medicare patients
- 130vs 42169% below
- Part D claims
- 74vs 61888% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Nguyen'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Elena Y. Nguyen treated 130 Medicare patients in 2024, average age 74
CMS counts 130 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 75 to 84, with 53 patients. 73% of them have high cholesterol, and 62% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 37, with 48% women.
Medicare patients, 2024130
Average age74
Average risk score1.10
Also on Medicaid12%
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women8968%
- Men4132%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High cholesterol73%
- High blood pressure62%
- Arthritis36%
- Ischemic heart disease26%
- Diabetes25%
- Mood disorders21%
- Osteoporosis19%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women48%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Elena Y. Nguyen wrote 115 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 115 Medicare Part D claims for 46 patients. 60% of them were for generic drugs. CMS names the drug for 74 of them, across 5 drugs with 11 or more claims each, at $2,091 in total drug cost. In 2023, CMS named 41 claims across 2 drugs.
Part D claims, 2024115
Drugs named by CMS5
Total drug cost$2,091
Part D patients46
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic69 claims60%
- Brand-name46 claims40%
Dr. Nguyen'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: 412024: 7480%
Drugs named by CMS: 5 in 2024, 2 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
Dr. Elena Y. Nguyen ranks in the 48th percentile for cataract surgery in Medicare
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of cataract surgery by Dr. Nguyen, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Nguyen ranks in Medicare procedure volume
- Cataract surgery
- 48th percentile24 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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Dr. Elena Y. Nguyen has 4 publications on record
Dmand AI links 4 papers to Dr. Nguyen, published from 2020 to 2021. Dr. Nguyen's most frequent co-authors are Annahita Amireskandari, MD, John Patrick Carey, MD and Charles C. Della Santina, MD.
Papers4
Years published2020 to 2021
Dr. Nguyen's most frequent co-authors
- Annahita Amireskandari, MD1 shared paper
- John Patrick Carey, MD1 shared paper
- Charles C. Della Santina, MD1 shared paper
Recent publications by Dr. Nguyen
Case Rep Ophthalmol Med
Audiometry, Pure-ToneAuditory ThresholdBone Conduction
See who Dr. Nguyen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyen works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Elena Y. Nguyen received $633 in industry payments from 2018 to 2025
CMS Open Payments shows 20 general payments to Dr. Nguyen from 10 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $177.
General payments to Dr. Nguyen by program year, 2018 to 2025
Companies that paid Dr. Nguyen the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Elena Y. Nguyen graduated from West Virginia University School Of Medicine
Dr. Nguyen graduated from West Virginia University School Of Medicine in 2016. Dr. Nguyen is a member of AAPOS- American Association for Pediatric Ophthalmology, AAO and ASCRS.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Elena Y. Nguyen accepts plans from 15 insurance carriers
Dr. Nguyen is in network with 15 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
- Humana
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Nguyen accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Elena Y. Nguyen'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Elena Y. Nguyen
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. Elena Y. Nguyen's NPI number?
Dr. Elena Y. Nguyen's NPI number is 1235592387. It was assigned on April 5, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Elena Y. Nguyen?
Dr. Elena Y. Nguyen is an ophthalmologist in San Jose, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Elena Y. Nguyen practice?
Dr. Nguyen practices at 2081 Forest Ave, San Jose, CA 95128. Dr. Nguyen's primary practice is Santa Clara Ophthalmology Incorporated in San Jose, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic and 1 medical group.
What is Dr. Elena Y. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (408) 777-6350.
What is Dr. Elena Y. Nguyen's medical license number?
Dr. Nguyen's California license number on file is A173649, one of the licenses on file in 3 states.
Which states has Dr. Elena Y. Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California (2021 to 2025), Ohio (2020 to 2022) and West Virginia (2018 to 2021).
Which hospitals is Dr. Elena Y. Nguyen affiliated with?
Dr. Nguyen is affiliated with Mills-Peninsula Medical Center.
Does Dr. Elena Y. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 340 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Elena Y. Nguyen see?
CMS counts 130 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 74.
Is Dr. Elena Y. Nguyen board certified?
Yes. Dr. Nguyen is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Elena Y. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were eye exam or test (92004), eye exam or test (92060) and eye exam or test (92014).
Where did Dr. Elena Y. Nguyen go to medical school?
Dr. Nguyen graduated from West Virginia University School Of Medicine in 2016.
What drugs does Dr. Elena Y. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Erythromycin, Prednisolone Acetate and Moxifloxacin.
Has Dr. Elena Y. Nguyen received payments from drug or device companies?
CMS Open Payments shows $633 in general payments to Dr. Nguyen from 10 companies from 2018 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Dr. Elena Y. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2016, 10 years ago.
Does Dr. Elena Y. Nguyen do research?
Dmand AI links 4 publications to Dr. Nguyen, published from 2020 to 2021.
Who does Dr. Elena Y. Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Annahita Amireskandari, MD (1 shared paper), John Patrick Carey, MD (1 shared paper) and Charles C. Della Santina, MD (1 shared paper).
What insurance does Dr. Elena Y. Nguyen accept?
Dr. Nguyen is in network with 15 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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