Dr. Cindy Ung, MD

  • Anaheim, CA
  • Ophthalmologist
NPI1710305172PAC ID5496060006
Medicare services, 2024
13,575
Medicare patients, 2024
647
Part D claims, 2024
377
Publications
23
Hospital affiliations
1
Practice address
441 N Lakeview Ave, Anaheim, CA 92807
Practice phone
Call (714) 279-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Southern California Permanente Medical Group

Anaheim, California

See all 9 affiliations

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Dr. Cindy Ung is an ophthalmologist in Anaheim, California

Dr. Ung practices at Southern California Permanente Medical Group in Anaheim, California.

Dr. Ung's NPI, 1710305172, was assigned on April 2, 2014. Dr. Ung graduated from Stanford University School Of Medicine in 2014. Dr. Ung's Massachusetts license number on file is 274302.

NPI and contact details
Medicare PAC ID
5496060006
NPI enumeration date
April 2, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 279-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Cindy Ung practices at Southern California Permanente Medical Group in Anaheim, California

Dr. Ung's primary practice is Southern California Permanente Medical Group, at 441 N Lakeview Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 279-4000.

  • Southern California Permanente Medical Group
    441 N Lakeview Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 279-4000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Cindy Ung is affiliated with 4 sites of care and 5 medical groups

Dr. Ung's primary practice is Southern California Permanente Medical Group in Anaheim, California. Dr. Ung is also affiliated with Massachusetts Eye and Ear. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Ung to 4 more medical groups, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.

See all 9 affiliations for Dr. Ung

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Cindy Ung's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ung practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Southern California Permanente Medical GroupAvailable with a free account
+3 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Cindy Ung is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Ung's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Ung is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Ung's licenses on file in 2 states: Massachusetts and California.

Specialties and state licenses

  • Ophthalmology, MassachusettsPrimaryLicense 274302 · 2015 to 2020 · taxonomy 207W00000X
  • California license2019 to 2025

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, conjunctivitis, dry eye, glaucoma, hereditary corneal conditions, laser destruction of retinal or choroid lesions and retinal detachment among the conditions Dr. Ung treats.

Ophthalmologists near Dr. Ung

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. Cindy Ung billed Medicare for 13,575 services in 2024

CMS data shows 13,575 Medicare services from Dr. Ung across 15 procedure codes in 2024, for 647 Medicare patients. Medicare paid $982,552 for them. Every service was in an office.

Medicare services, 202413,575
Medicare patients647
Paid by Medicare$982,552
Procedure codes15

Dr. Ung's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 4,7842024: 10,166113%
Tests and treatments
2023: 2,9002024: 2,52513%
Surgery
2023: 8702024: 8245%
Office and hospital visits
2023: 952024: 3860%
Imaging
2023: 422024: 2248%

Dr. Ung compared with the California median for ophthalmologists, 2024

  • Dr. Ung
  • California median
Medicare services
13,575vs 1,07912.6 times
Medicare patients
647vs 42154% above
Part D claims
316vs 61849% below

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Ung'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.

See all procedures by Dr. Ung

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Cindy Ung treated 647 Medicare patients in 2024, average age 76

CMS counts 647 Medicare patients who saw Dr. Ung in 2024. The largest group is 65 to 74, with 243 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ung's median patient age at 68, with 55% women.

Medicare patients, 2024647
Average age76
Average risk score1.89
Also on Medicaid29%

Dr. Ung's Medicare patients by age, 2024

Dr. Ung's Medicare patients by sex, 2024

  • Women36957%
  • Men27843%

Chronic conditions among Dr. Ung's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes45%
  4. Arthritis41%
  5. Chronic kidney disease36%
  6. Ischemic heart disease27%
  7. Heart failure22%
  8. Atrial fibrillation18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ung's 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

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Cindy Ung wrote 377 Medicare Part D claims in 2024

In 2024, Dr. Ung wrote 377 Medicare Part D claims for 147 patients. 75% of them were for generic drugs. CMS names the drug for 316 of them, across 8 drugs with 11 or more claims each, at $5,518 in total drug cost. In 2023, CMS named 281 claims across 7 drugs.

Part D claims, 2024377
Drugs named by CMS8
Total drug cost$5,518
Part D patients147

Dr. Ung's Part D claims by kind of drug, 2024

  • Generic281 claims75%
  • Brand-name96 claims25%

Dr. Ung'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: 2812024: 31612%

Drugs named by CMS: 8 in 2024, 7 in 2023.

See all prescribing by Dr. Ung

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. Cindy Ung takes part in Medicare

Dr. Ung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Cindy Ung has 23 publications on record

Dmand AI links 23 papers to Dr. Ung, published from 2011 to 2022. 2019 was the busiest year, with 4. The most frequent topics are Antihypertensive Agents, Drug Prescriptions and Fluorescein Angiography. Dr. Ung has published most often in Ophthalmol Retina. Dr. Ung's most frequent co-authors are Antonio Capone, MD, Dean Eliott, MD and Shan C. Lin, MD.

Papers23
Years published2011 to 2022

Dr. Ung's papers by year, 2011 to 2022

Topics Dr. Ung writes about most

  • Antihypertensive Agents
  • Drug Prescriptions
  • Fluorescein Angiography
  • Glaucoma
  • Visual Acuity
  • Analgesics, Opioid
  • Angiogenesis Inhibitors
  • Diabetic Retinopathy

Dr. Ung's most frequent co-authors

Recent publications by Dr. Ung

See all 23 publications and co-authors

See who Dr. Ung researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ung works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Cindy Ung received $8,268 in industry payments from 2016 to 2025

CMS Open Payments shows 99 general payments to Dr. Ung from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Alcon Laboratories Inc paid the most, $2,380.

General payments to Dr. Ung by program year, 2016 to 2025

General payments to Dr. Ung by kind, 2016 to 2025

$8.3Kin total
  • Food and beverage$5,09962%
  • Travel and lodging$1,63020%
  • Consulting fees$1,47018%
  • Education$701%

Companies that paid Dr. Ung the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ung

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Cindy Ung graduated from Stanford University School Of Medicine

Dr. Ung graduated from Stanford University School Of Medicine in 2014.

  1. Medical schoolStanford University School Of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Cindy Ung accepts plans from 16 insurance carriers

Dr. Ung is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • Humana
  • Kaiser Permanente
  • LA Care
  • Blue Cross Blue Shield of Massachusetts
  • +8 more carriersWith a free account

Plan types Dr. Ung accepts, by number of carriers

  1. Medicare11
  2. HMO8
  3. PPO8
  4. POS5
  5. EPO3
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. Cindy Ung's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Cindy Ung

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. Cindy Ung's NPI number?

Dr. Cindy Ung's NPI number is 1710305172. It was assigned on April 2, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Cindy Ung?

Dr. Cindy Ung is an ophthalmologist in Anaheim, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Cindy Ung practice?

Dr. Ung practices at 441 N Lakeview Ave, Anaheim, CA 92807. Dr. Ung's primary practice is Southern California Permanente Medical Group in Anaheim, California. Dmand AI also links Dr. Ung to 4 medical groups, 1 group practice or clinic and 1 ambulatory surgery center.

What is Dr. Cindy Ung's office phone number?

The practice phone on file for Dr. Ung is (714) 279-4000.

What is Dr. Cindy Ung's medical license number?

Dr. Ung's Massachusetts license number on file is 274302, one of the licenses on file in 2 states.

Which states has Dr. Cindy Ung been licensed in?

Dmand AI has state licenses on file for Dr. Ung in Massachusetts (2015 to 2020) and California (2019 to 2025).

Which hospitals is Dr. Cindy Ung affiliated with?

Dr. Ung is affiliated with Massachusetts Eye and Ear.

What medical group is Dr. Cindy Ung part of?

Dr. Ung is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Ung to 4 more medical groups.

Does Dr. Cindy Ung accept Medicare?

Yes. CMS data shows Dr. Ung billed Medicare for 13,575 services in 2024, and Dr. Ung accepts Medicare assignment.

How many Medicare patients does Dr. Cindy Ung see?

CMS counts 647 Medicare patients who saw Dr. Ung in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Cindy Ung board certified?

Yes. Dr. Ung is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Cindy Ung bill to Medicare?

In 2024, Dr. Ung's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and surgery: eye (67028).

Where did Dr. Cindy Ung go to medical school?

Dr. Ung graduated from Stanford University School Of Medicine in 2014.

What drugs does Dr. Cindy Ung prescribe most?

In 2024 Medicare Part D data, Dr. Ung's most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth, Latanoprost and Dorzolamide-Timolol.

Has Dr. Cindy Ung received payments from drug or device companies?

CMS Open Payments shows $8,268 in general payments to Dr. Ung from 18 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Cindy Ung been practicing?

Dr. Ung graduated from medical school in 2014, 12 years ago.

Does Dr. Cindy Ung do research?

Dmand AI links 23 publications to Dr. Ung, published from 2011 to 2022.

Who does Dr. Cindy Ung publish with?

Dr. Ung's most frequent co-authors are Antonio Capone, MD (3 shared papers), Dean Eliott, MD (3 shared papers) and Shan C. Lin, MD (3 shared papers).

What insurance does Dr. Cindy Ung accept?

Dr. Ung is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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