Dr. Ann Van Anh Trong Quan, MD

  • Oceanside, CA
  • Ophthalmologist
NPI1871956581PAC ID4385069582
Medicare services, 2024
6,492
Medicare patients, 2024
1,082
Part D claims, 2024
4,871
Publications
12
Industry payments
$15,515
Practice address
2205 Vista Way, Oceanside, CA 92054
Practice phone
Call (760) 704-5400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Scripps Medical Center Jefferson

Oceanside, California

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Dr. Ann Van Anh Trong Quan is an ophthalmologist in Oceanside, California

Dr. Quan practices at Scripps Medical Center Jefferson in Oceanside, California.

Dr. Quan's NPI, 1871956581, was assigned on March 30, 2016. Dr. Quan graduated from David Geffen School of Medicine at UCLA in 2016. Dr. Quan holds California license A171611.

NPI and contact details
Medicare PAC ID
4385069582
NPI enumeration date
March 30, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(760) 704-5400
Professional email
Get email
Personal email
Get email
Mobile number
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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. Ann Van Anh Trong Quan practices at Scripps Medical Center Jefferson in Oceanside, California

Dr. Quan's primary practice is Scripps Medical Center Jefferson, at 2205 Vista Way, Oceanside, CA 92054 in San Diego County. The practice phone is (760) 704-5400.

  • Scripps Medical Center Jefferson
    2205 Vista Way, Oceanside, CA 92054 · San Diego CountyPhone(760) 704-5400

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

Dr. Ann Van Anh Trong Quan is affiliated with 1 site of care and 1 medical group

Dr. Quan's primary practice is Scripps Medical Center Jefferson in Oceanside, California. The medical group on file is Scripps Clinic Medical Group.

Scripps Medical Center JeffersonOceanside, CaliforniaPrimary
Scripps Clinic Medical GroupPrimary care group, San Diego, CA

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

Dmand AI tracks the EHR system at Dr. Ann Van Anh Trong Quan's practice

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

EHR by site
SiteEHR vendor and product
Scripps Medical Center JeffersonAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ann Van Anh Trong Quan is one of 2,621 ophthalmologists in California

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

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A171611 · 2016 to 2027 · taxonomy 207W00000X
  • Florida licenseLicense ME144407 · 2017 to 2024

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma and glaucoma surgery among the conditions Dr. Quan treats.

Ophthalmologists near Dr. Quan

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

2,621ophthalmologists in California
4ophthalmologists in Oceanside

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ann Van Anh Trong Quan billed Medicare for 6,492 services in 2024

CMS data shows 6,492 Medicare services from Dr. Quan across 22 procedure codes in 2024, for 1,082 Medicare patients. Medicare paid $440,108 for them.

Medicare services, 20246,492
Medicare patients1,082
Paid by Medicare$440,108
Procedure codes22

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

  • 2023
  • 2024
Tests and treatments
2023: 1,8122024: 2,95963%
Office and hospital visits
2023: 1,3652024: 2,00047%
Other services
2023: 02024: 939
Surgery
2023: 692024: 328375%
Imaging
2023: 2052024: 26630%

Where Dr. Quan's Medicare services took place, 2024

  • In an office6,31197%
  • In a facility1813%

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

  • Dr. Quan
  • California median
Medicare services
6,492vs 1,0796.0 times
Medicare patients
1,082vs 4212.6 times
Part D claims
4,793vs 6187.8 times

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

Dr. Quan'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. Quan

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

Dr. Ann Van Anh Trong Quan treated 1,082 Medicare patients in 2024, average age 76

CMS counts 1,082 Medicare patients who saw Dr. Quan in 2024. The largest group is 65 to 74, with 479 patients. 72% of them have high cholesterol, and 63% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Quan's median patient age at 65, with 59% women.

Medicare patients, 20241,082
Average age76
Average risk score1.03
Also on Medicaid6%

Dr. Quan's Medicare patients by age, 2024

Dr. Quan's Medicare patients by sex, 2024

  • Women62257%
  • Men46043%

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

  1. High cholesterol72%
  2. High blood pressure63%
  3. Arthritis39%
  4. Diabetes28%
  5. Chronic kidney disease21%
  6. Ischemic heart disease21%
  7. Osteoporosis20%
  8. Anxiety16%

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

Dr. Quan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women59%
  • Men39%

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

Dr. Ann Van Anh Trong Quan wrote 4,871 Medicare Part D claims in 2024

In 2024, Dr. Quan wrote 4,871 Medicare Part D claims for 770 patients. 52% of them were for generic drugs. CMS names the drug for 4,793 of them, across 26 drugs with 11 or more claims each, at $590,484 in total drug cost. In 2023, CMS named 4,130 claims across 23 drugs.

Part D claims, 20244,871
Drugs named by CMS26
Total drug cost$590,484
Part D patients770

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

  • Generic2,537 claims52%
  • Brand-name2,334 claims48%

Dr. Quan'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: 4,1302024: 4,79316%

Drugs named by CMS: 26 in 2024, 23 in 2023.

See all prescribing by Dr. Quan

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. Ann Van Anh Trong Quan ranks in the 71st percentile for cataract surgery in Medicare

Dr. Quan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Quan as offering telehealth. CMS counts 80 procedures of cataract surgery by Dr. Quan, more than 71% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Quan ranks in Medicare procedure volume

Cataract surgery
71st percentile80 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. Ann Van Anh Trong Quan has 12 publications on record

Dmand AI links 12 papers to Dr. Quan, published from 2020 to 2024. 2020 was the busiest year, with 4. The most frequent topics are Intraocular Pressure, Glaucoma, Open-Angle and Trabeculectomy. Dr. Quan has published most often in Am J Ophthalmol. Dr. Quan's most frequent co-authors are Ta Chen Peter Chang, MD, Jenny Chen, MD and Ye Elaine Wang, MD.

Papers12
Years published2020 to 2024

Dr. Quan's papers by year, 2020 to 2024

Topics Dr. Quan writes about most

  • Intraocular Pressure
  • Glaucoma, Open-Angle
  • Trabeculectomy
  • Glaucoma Drainage Implants
  • Gonioscopy
  • Glaucoma
  • Visual Acuity

Dr. Quan's most frequent co-authors

Recent publications by Dr. Quan

See all 12 publications and co-authors

See who Dr. Quan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Quan 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. Ann Van Anh Trong Quan received $15,515 in industry payments from 2017 to 2025

CMS Open Payments shows 322 general payments to Dr. Quan from 29 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $2,581.

General payments to Dr. Quan by program year, 2017 to 2025

General payments to Dr. Quan by kind, 2017 to 2025

$15.5Kin total
  • Food and beverage$15,39599%
  • Education$1201%

Companies that paid Dr. Quan the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Quan

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

Dr. Ann Van Anh Trong Quan has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Quan, most recently Lee Family Community Service Award in 2020.

Awards and honors for Dr. Quan

  1. 2020
    • Lee Family Community Service Award
  2. 2016
    • Alpha Omega Alpha Honor Medical Society

Source: Dmand AI Professional Profile Data

Dr. Ann Van Anh Trong Quan graduated from David Geffen School of Medicine at UCLA

Dr. Quan graduated from David Geffen School of Medicine at UCLA in 2016.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Ann Van Anh Trong Quan accepts plans from 7 insurance carriers

Dr. Quan is in network with 7 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Molina
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • HCSC

Plan types Dr. Quan accepts, by number of carriers

  1. HMO4
  2. Medicare4
  3. PPO4
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Ann Van Anh Trong Quan'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)Doctors and Clinicians Utilization Data (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)
Awards and committee rolesDmand AI Professional Profile Data
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. Ann Van Anh Trong Quan

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. Ann Van Anh Trong Quan's NPI number?

Dr. Ann Van Anh Trong Quan's NPI number is 1871956581. It was assigned on March 30, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Ann Van Anh Trong Quan?

Dr. Ann Van Anh Trong Quan is an ophthalmologist in Oceanside, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Ann Van Anh Trong Quan practice?

Dr. Quan practices at 2205 Vista Way, Oceanside, CA 92054. Dr. Quan's primary practice is Scripps Medical Center Jefferson in Oceanside, California.

What is Dr. Ann Van Anh Trong Quan's office phone number?

The practice phone on file for Dr. Quan is (760) 704-5400.

What is Dr. Ann Van Anh Trong Quan's medical license number?

Dr. Quan holds California license A171611, one of the licenses on file in 2 states.

Which states has Dr. Ann Van Anh Trong Quan been licensed in?

Dmand AI has state licenses on file for Dr. Quan in California (2016 to 2027) and Florida (2017 to 2024).

What medical group is Dr. Ann Van Anh Trong Quan part of?

Dr. Quan is linked to Scripps Clinic Medical Group.

Does Dr. Ann Van Anh Trong Quan accept Medicare?

Yes. CMS data shows Dr. Quan billed Medicare for 6,492 services in 2024, and Dr. Quan accepts Medicare assignment.

Does Dr. Ann Van Anh Trong Quan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Quan as offering telehealth services.

How many Medicare patients does Dr. Ann Van Anh Trong Quan see?

CMS counts 1,082 Medicare patients who saw Dr. Quan in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Ann Van Anh Trong Quan board certified?

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

What services does Dr. Ann Van Anh Trong Quan bill to Medicare?

In 2024, Dr. Quan's most billed Medicare services were office visit, established patient (99214), eye exam or test (92133) and medicare service (G2211).

Where did Dr. Ann Van Anh Trong Quan go to medical school?

Dr. Quan graduated from David Geffen School of Medicine at UCLA in 2016.

What drugs does Dr. Ann Van Anh Trong Quan prescribe most?

In 2024 Medicare Part D data, Dr. Quan's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.

Has Dr. Ann Van Anh Trong Quan received payments from drug or device companies?

CMS Open Payments shows $15,515 in general payments to Dr. Quan from 29 companies from 2017 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Ann Van Anh Trong Quan been practicing?

Dr. Quan graduated from medical school in 2016, 10 years ago.

Does Dr. Ann Van Anh Trong Quan do research?

Dmand AI links 12 publications to Dr. Quan, published from 2020 to 2024.

Who does Dr. Ann Van Anh Trong Quan publish with?

Dr. Quan's most frequent co-authors are Ta Chen Peter Chang, MD (4 shared papers), Jenny Chen, MD (3 shared papers) and Ye Elaine Wang, MD (3 shared papers).

What insurance does Dr. Ann Van Anh Trong Quan accept?

Dr. Quan is in network with 7 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

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