Front Ophthalmol (Lausanne)
Dr. Sandy Xinyu Zhang-Nunes, MD
NPI1740434406
- Medicare services, 2024
- 623
- Medicare patients, 2024
- 221
- Part D claims, 2024
- 167
- Publications
- 6
- Industry payments
- $138,620
- Practice address
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Los Angeles, California
Find Dr. Zhang-Nunes' professional email, personal email and mobile number
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Dr. Sandy Xinyu Zhang-Nunes is an ophthalmic plastic and reconstructive surgery physician in Los Angeles, California
Dr. Zhang-Nunes practices at Southern California Permanente Medical Group in Los Angeles, California.
Dr. Zhang-Nunes' NPI, 1740434406, was assigned on November 7, 2008. Dr. Zhang-Nunes graduated from The Johns Hopkins University School of Medicine in 2008. Dr. Zhang-Nunes holds California license A112026.
NPI and contact details
- NPI
- 1740434406NPI Registry (opens in a new tab)
- NPI enumeration date
- November 7, 2008
- NPI status
- Active
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Sandy Xinyu Zhang-Nunes practices at Southern California Permanente Medical Group in Los Angeles, California
Dr. Zhang-Nunes' primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Southern California Permanente Medical Group4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sandy Xinyu Zhang-Nunes is affiliated with 3 sites of care and 2 medical groups
Dr. Zhang-Nunes' primary practice is Southern California Permanente Medical Group in Los Angeles, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Zhang-Nunes to 2 more group practices and clinics and 1 medical group, each named with a free account.
Southern California Permanente Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sandy Xinyu Zhang-Nunes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang-Nunes practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | 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. Sandy Xinyu Zhang-Nunes is one of 50 ophthalmic plastics and reconstructive surgery physicians in California
Ophthalmic plastic and reconstructive surgery is Dr. Zhang-Nunes' primary specialty in the NPI Registry, under taxonomy code 207WX0200X. Dr. Zhang-Nunes is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Zhang-Nunes' licenses on file in 2 states: California and Ohio.
Specialties and state licenses
- Ophthalmic plastic and reconstructive surgery, CaliforniaPrimary
- Ohio license
Clinical focus
Dmand AI lists dry eye and eyelid inflammation among the conditions Dr. Zhang-Nunes treats.
Ophthalmic plastics and reconstructive surgery physicians near Dr. Zhang-Nunes
Counts of ophthalmic plastics and reconstructive surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
50ophthalmic plastics and reconstructive surgery physicians in California
6ophthalmic plastics and reconstructive surgery physicians in Los Angeles
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sandy Xinyu Zhang-Nunes billed Medicare for 623 services in 2024
CMS data shows 623 Medicare services from Dr. Zhang-Nunes across 11 procedure codes in 2024, for 221 Medicare patients. Medicare paid $51,685 for them.
Medicare services, 2024623
Medicare patients221
Paid by Medicare$51,685
Procedure codes11
Dr. Zhang-Nunes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1122024: 282152%
- Office and hospital visits
- 2023: 1002024: 278178%
- Surgery
- 2023: 112024: 63473%
Where Dr. Zhang-Nunes' Medicare services took place, 2024
- In an office48277%
- In a facility14123%
Dr. Zhang-Nunes compared with the California median for ophthalmic plastics and reconstructive surgery physicians, 2024
- Dr. Zhang-Nunes
- California median
- Medicare services
- 623vs 6626% below
- Medicare patients
- 221vs 2429% below
- Part D claims
- 96vs 25663% below
Medians across 47 ophthalmic plastics and reconstructive surgery physicians in California with Dmand AI profiles that report each measure.
Dr. Zhang-Nunes' 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. Zhang-Nunes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zhang-Nunes and other ophthalmic plastics and reconstructive surgery physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sandy Xinyu Zhang-Nunes treated 221 Medicare patients in 2024, average age 73
CMS counts 221 Medicare patients who saw Dr. Zhang-Nunes in 2024. The largest group is 65 to 74, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zhang-Nunes' median patient age at 68, with 65% women.
Medicare patients, 2024221
Average age73
Average risk score1.35
Also on Medicaid33%
Dr. Zhang-Nunes' Medicare patients by age, 2024
Dr. Zhang-Nunes' Medicare patients by sex, 2024
- Women15771%
- Men6429%
Chronic conditions among Dr. Zhang-Nunes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Diabetes32%
- Osteoporosis32%
- Mood disorders30%
- Anxiety27%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhang-Nunes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sandy Xinyu Zhang-Nunes wrote 167 Medicare Part D claims in 2024
In 2024, Dr. Zhang-Nunes wrote 167 Medicare Part D claims for 87 patients. 55% of them were for generic drugs. CMS names the drug for 96 of them, across 4 drugs with 11 or more claims each, at $19,314 in total drug cost. In 2023, CMS named 44 claims across 3 drugs.
Part D claims, 2024167
Drugs named by CMS4
Total drug cost$19,314
Part D patients87
Dr. Zhang-Nunes' Part D claims by kind of drug, 2024
- Generic92 claims55%
- Brand-name75 claims45%
Dr. Zhang-Nunes' 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.
Drug classes CMS tracks in Dr. Zhang-Nunes' Part D claims, 2024
- Antibiotics10%16 of 167 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 442024: 96118%
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
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Dr. Sandy Xinyu Zhang-Nunes has 6 publications on record
Dmand AI links 6 papers to Dr. Zhang-Nunes, published from 2014 to 2025. Dr. Zhang-Nunes' most frequent co-authors are Shailender Bhatia, MD, Matthew Blackburn, MD and Kathryn B. Bollin, MD.
Papers6
Years published2014 to 2025
Dr. Zhang-Nunes' papers by year, 2014 to 2025
Dr. Zhang-Nunes' most frequent co-authors
- Shailender Bhatia, MD1 shared paper
- Matthew Blackburn, MD1 shared paper
- Kathryn B. Bollin, MD1 shared paper
Recent publications by Dr. Zhang-Nunes
Ophthalmic Plast Reconstr Surg
BenchmarkingGraves OphthalmopathyTomography
J Immunother Cancer
Carcinoma, Basal CellHedgehog ProteinsProgrammed Cell Death 1 Receptor
See who Dr. Zhang-Nunes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zhang-Nunes works with, so you can find a warm path to the right ophthalmic plastics and reconstructive surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sandy Xinyu Zhang-Nunes received $138,620 in industry payments from 2016 to 2025
CMS Open Payments shows 216 general payments to Dr. Zhang-Nunes from 14 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 40% of the total. Amgen Inc. paid the most, $65,575.
General payments to Dr. Zhang-Nunes by program year, 2016 to 2025
General payments to Dr. Zhang-Nunes by kind, 2016 to 2025
$138.6Kin total
- Honoraria$55,57440%
- Speaker and faculty fees$50,40036%
- Consulting fees$14,24810%
- Travel and lodging$9,4957%
- Other$8,8706%
Companies that paid Dr. Zhang-Nunes 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 Xinyu Zhang-Nunes graduated from The Johns Hopkins University School of Medicine
Dr. Zhang-Nunes graduated from The Johns Hopkins University School of Medicine in 2008. Dr. Zhang-Nunes is a member of AAO, ASOPRS, CAEPS, LACMA and WOI.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Sandy Xinyu Zhang-Nunes accepts plans from 6 insurance carriers
Dr. Zhang-Nunes is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Zhang-Nunes accepts, by number of carriers
- Medicare6
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sandy Xinyu Zhang-Nunes'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) |
| 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. Sandy Xinyu Zhang-Nunes
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 Xinyu Zhang-Nunes' NPI number?
Dr. Sandy Xinyu Zhang-Nunes' NPI number is 1740434406. It was assigned on November 7, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Sandy Xinyu Zhang-Nunes?
Dr. Sandy Xinyu Zhang-Nunes is an ophthalmic plastic and reconstructive surgery physician in Los Angeles, California. The primary specialty in the NPI Registry is Ophthalmic Plastic and Reconstructive Surgery Physician (taxonomy code 207WX0200X).
Where does Dr. Sandy Xinyu Zhang-Nunes practice?
Dr. Zhang-Nunes practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Zhang-Nunes' primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Zhang-Nunes to 2 group practices and clinics and 1 medical group.
What is Dr. Sandy Xinyu Zhang-Nunes' office phone number?
The practice phone on file for Dr. Zhang-Nunes is (323) 783-4011.
What is Dr. Sandy Xinyu Zhang-Nunes' medical license number?
Dr. Zhang-Nunes holds California license A112026, one of the licenses on file in 2 states.
Which states has Dr. Sandy Xinyu Zhang-Nunes been licensed in?
Dmand AI has state licenses on file for Dr. Zhang-Nunes in California (2010 to 2026) and Ohio (2011 to 2015).
What medical group is Dr. Sandy Xinyu Zhang-Nunes part of?
Dr. Zhang-Nunes is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Zhang-Nunes to 1 more medical group.
Does Dr. Sandy Xinyu Zhang-Nunes accept Medicare?
Yes. CMS data shows Dr. Zhang-Nunes billed Medicare for 623 services in 2024.
How many Medicare patients does Dr. Sandy Xinyu Zhang-Nunes see?
CMS counts 221 Medicare patients who saw Dr. Zhang-Nunes in 2024, with an average age of 73.
Is Dr. Sandy Xinyu Zhang-Nunes board certified?
Yes. Dr. Zhang-Nunes is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Sandy Xinyu Zhang-Nunes bill to Medicare?
In 2024, Dr. Zhang-Nunes' most billed Medicare services were eye exam or test (92285), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Sandy Xinyu Zhang-Nunes go to medical school?
Dr. Zhang-Nunes graduated from The Johns Hopkins University School of Medicine in 2008.
What drugs does Dr. Sandy Xinyu Zhang-Nunes prescribe most?
In 2024 Medicare Part D data, Dr. Zhang-Nunes' most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth, Erythromycin and Cyclosporine.
Has Dr. Sandy Xinyu Zhang-Nunes received payments from drug or device companies?
CMS Open Payments shows $138,620 in general payments to Dr. Zhang-Nunes from 14 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Sandy Xinyu Zhang-Nunes been practicing?
Dr. Zhang-Nunes graduated from medical school in 2008, 18 years ago.
Does Dr. Sandy Xinyu Zhang-Nunes do research?
Dmand AI links 6 publications to Dr. Zhang-Nunes, published from 2014 to 2025.
Who does Dr. Sandy Xinyu Zhang-Nunes publish with?
Dr. Zhang-Nunes' most frequent co-authors are Shailender Bhatia, MD (1 shared paper), Matthew Blackburn, MD (1 shared paper) and Kathryn B. Bollin, MD (1 shared paper).
What insurance does Dr. Sandy Xinyu Zhang-Nunes accept?
Dr. Zhang-Nunes is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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