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Dr. Melinda Youeen-Wu Chang, MD
NPI1942597133
- Medicare services, 2018
- 601
- Part D claims, 2018
- 16
- Publications
- 33
- Hospital affiliations
- 1
- Industry payments
- $1,577
- Practice address
- 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027
- Practice phone
- Call (323) 669-2164
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chang'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. Melinda Youeen-Wu Chang is an ophthalmologist in Los Angeles, California
Dr. Chang practices at Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles.
Dr. Chang's NPI, 1942597133, was assigned on July 7, 2011. Dr. Chang graduated from WashU Medicine in 2011. Dr. Chang holds California license A124253.
NPI and contact details
- NPI
- 1942597133NPI Registry (opens in a new tab)
- NPI enumeration date
- July 7, 2011
- NPI status
- Active
- Practice phone
- (323) 669-2164
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Melinda Youeen-Wu Chang practices at Children's Hospital Los Angeles in Los Angeles, California
Dr. Chang's primary practice is Children's Hospital Los Angeles, at 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 669-2164.
- Children's Hospital Los Angeles4650 Sunset Blvd, MS 108, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 669-2164
Source: Dmand AI Affiliation Data
Dr. Melinda Youeen-Wu Chang is affiliated with 3 sites of care and 2 medical groups
Dr. Chang's primary practice is Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Chang to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Chang's employer is on file too: a hospital.
USC Care Medical Group2 group practices and clinicsNames with a free account1 medical groupName with a free accountEmployer: hospitalName with a free account
See all 5 affiliations for Dr. ChangSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Melinda Youeen-Wu Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital Los Angeles | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Melinda Youeen-Wu Chang is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chang is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chang's licenses on file in 2 states: California and Virginia.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Virginia license
Ophthalmologists near Dr. Chang
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California229ophthalmologists in Los Angeles15ophthalmologists at Children's Hospital Los Angeles
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Melinda Youeen-Wu Chang billed Medicare for 601 services in 2018
CMS data shows 601 Medicare services from Dr. Chang across 7 procedure codes in 2018. Medicare paid $20,679 for them.
Medicare services, 2018601
Paid by Medicare$20,679
Procedure codes7
Dr. Chang's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Tests and treatments
- 2017: 2442018: 601146%
Where Dr. Chang's Medicare services took place, 2018
- In an office142%
- In a facility58798%
Dr. Chang compared with the California median for ophthalmologists, 2018
- Dr. Chang
- California median
- Medicare services
- 601vs 1,07944% below
- Part D claims
- 16vs 61897% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2018
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. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Melinda Youeen-Wu Chang's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 10, with 46% women.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Melinda Youeen-Wu Chang wrote 16 Medicare Part D claims in 2018
In 2018, Dr. Chang wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $219 in total drug cost.
Part D claims, 201816
Drugs named by CMS1
Total drug cost$219
Dr. Chang's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Melinda Youeen-Wu Chang has 33 publications on record
Dmand AI links 33 papers to Dr. Chang, published from 2011 to 2025. 2017 was the busiest year, with 6. The most frequent topics are England, Public Health and Apraxias. Dr. Chang has published most often in J Neuroophthalmol. Dr. Chang's most frequent co-authors are Mark S. Borchert, MD, Federico Guillermo Velez, MD and Joseph L. Demer, MD.
Papers33
Years published2011 to 2025
Dr. Chang's papers by year, 2014 to 2025
Topics Dr. Chang writes about most
- England
- Public Health
- Apraxias
- Breast Feeding
- Cogan Syndrome
- Milk, Human
- Nutrition Policy
- Oligosaccharides
Dr. Chang's most frequent co-authors
- Mark S. Borchert, MD7 shared papers
- Federico Guillermo Velez, MD3 shared papers
- Joseph L. Demer, MD2 shared papers
Recent publications by Dr. Chang
EnglandLocal GovernmentNutrition Policy
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang 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. Melinda Youeen-Wu Chang received $1,577 in industry payments from 2017 to 2025
CMS Open Payments shows 17 general payments to Dr. Chang from 10 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $426.
General payments to Dr. Chang by program year, 2017 to 2025
General payments to Dr. Chang by kind, 2017 to 2025
$1.6Kin total
- Food and beverage$1,576100%
- Education$10%
Companies that paid Dr. Chang the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Melinda Youeen-Wu Chang has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chang, most recently AOA Inductee 2011 in 2011.
Awards and honors for Dr. Chang
- 2011
- AOA Inductee 2011
Source: Dmand AI Professional Profile Data
Dr. Melinda Youeen-Wu Chang graduated from WashU Medicine
Dr. Chang graduated from WashU Medicine in 2011. Dr. Chang is a member of AOA.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Melinda Youeen-Wu Chang accepts plans from 9 insurance carriers
Dr. Chang is in network with 9 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
- LA Care
- Molina
- Regence Health Plans
- Humana
- +1 more carriersWith a free account
Plan types Dr. Chang accepts, by number of carriers
- Medicare6
- HMO5
- PPO5
- Medicaid2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Melinda Youeen-Wu Chang'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 DataDmand AI Org Hierarchy 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Melinda Youeen-Wu Chang
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. Melinda Youeen-Wu Chang's NPI number?
Dr. Melinda Youeen-Wu Chang's NPI number is 1942597133. It was assigned on July 7, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Melinda Youeen-Wu Chang?
Dr. Melinda Youeen-Wu Chang is an ophthalmologist in Los Angeles, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Melinda Youeen-Wu Chang practice?
Dr. Chang practices at 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027. Dr. Chang's primary practice is Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles. Dmand AI also links Dr. Chang to 2 group practices and clinics and 1 medical group.
What is Dr. Melinda Youeen-Wu Chang's office phone number?
The practice phone on file for Dr. Chang is (323) 669-2164.
What is Dr. Melinda Youeen-Wu Chang's medical license number?
Dr. Chang holds California license A124253, one of the licenses on file in 2 states.
Which states has Dr. Melinda Youeen-Wu Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (2013 to 2026) and Virginia (2011 to 2012).
Which hospitals is Dr. Melinda Youeen-Wu Chang affiliated with?
Dr. Chang practices at Children's Hospital Los Angeles in Los Angeles, California.
What medical group is Dr. Melinda Youeen-Wu Chang part of?
Dr. Chang is linked to USC Care Medical Group. Dmand AI links Dr. Chang to 1 more medical group.
Does Dr. Melinda Youeen-Wu Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 601 services in 2018.
Is Dr. Melinda Youeen-Wu Chang board certified?
Yes. Dr. Chang is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Melinda Youeen-Wu Chang bill to Medicare?
In 2018, Dr. Chang's most billed Medicare services were eye exam or test (92014), eye exam or test (92133) and eye exam or test (92083).
Where did Dr. Melinda Youeen-Wu Chang go to medical school?
Dr. Chang graduated from WashU Medicine in 2011.
What drugs does Dr. Melinda Youeen-Wu Chang prescribe most?
In 2018 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Latanoprost.
Has Dr. Melinda Youeen-Wu Chang received payments from drug or device companies?
CMS Open Payments shows $1,577 in general payments to Dr. Chang from 10 companies from 2017 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Melinda Youeen-Wu Chang been practicing?
Dr. Chang graduated from medical school in 2011, 15 years ago.
Does Dr. Melinda Youeen-Wu Chang do research?
Dmand AI links 33 publications to Dr. Chang, published from 2011 to 2025.
Who does Dr. Melinda Youeen-Wu Chang publish with?
Dr. Chang's most frequent co-authors are Mark S. Borchert, MD (7 shared papers), Federico Guillermo Velez, MD (3 shared papers) and Joseph L. Demer, MD (2 shared papers).
What insurance does Dr. Melinda Youeen-Wu Chang accept?
Dr. Chang is in network with 9 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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