Dr. Da-Thuy T. Van, DO

  • Vallejo, CA
  • Ophthalmologist
NPI1750375580PAC ID9830184712
Medicare services, 2024
22
Medicare patients, 2024
34
Part D claims, 2024
2,027
Clinical trials
2
Hospital affiliations
1
Practice address
975 Sereno Dr, Vallejo, CA 94589
Practice phone
Call (707) 651-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

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Dr. Da-Thuy T. Van is an ophthalmologist in Vallejo, California

Dr. Van practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.

Dr. Van's NPI, 1750375580, was assigned on September 8, 2005. Dr. Van graduated from Heritage College of Osteopathic Medicine in 1997. Dr. Van holds Texas license L2723.

NPI and contact details
Medicare PAC ID
9830184712
NPI enumeration date
September 8, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 651-1000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Da-Thuy T. Van practices at Vallejo Medical Center in Vallejo, California

Dr. Van's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.

Source: Dmand AI Affiliation Data

Dr. Da-Thuy T. Van is affiliated with 3 sites of care and 2 medical groups

Dr. Van's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Van to 1 more home health agency, 1 hospice and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Van

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Da-Thuy T. Van's practice

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

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Da-Thuy T. Van is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Van's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Van is board certified in ophthalmology by the AOA Board of Ophthalmology and Otolaryngology. Dr. Van is licensed in Texas.

Specialties and state licenses

  • Ophthalmology, TexasPrimaryLicense L2723 · taxonomy 207W00000X

Clinical focus

Dmand AI lists cataract, cataract surgery with lens implant, conjunctivitis, dry eye and vision problems among the conditions Dr. Van treats.

Ophthalmologists near Dr. Van

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. Da-Thuy T. Van billed Medicare for 22 services in 2024

CMS data shows 22 Medicare services from Dr. Van across 1 procedure code in 2024, all of them office visits, for 34 Medicare patients. Medicare paid $1,372 for them. Every service was in an office.

Medicare services, 202422
Medicare patients34
Paid by Medicare$1,372
Procedure codes1

Dr. Van's Medicare services by type, 2022 to 2024

  • 2022
  • 2024
Office and hospital visits
2022: 02024: 22
Imaging
2022: 172024: 0100%
Tests and treatments
2022: 7432024: 0100%
Surgery
2022: 602024: 0100%

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

  • Dr. Van
  • California median
Medicare services
22vs 1,07998% below
Medicare patients
34vs 42192% below
Part D claims
1,938vs 6183.1 times

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

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

Dr. Da-Thuy T. Van treated 34 Medicare patients in 2024, average age 74

CMS counts 34 Medicare patients who saw Dr. Van in 2024. 56% of them have high blood pressure, and 56% have high cholesterol. 32% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Van's median patient age at 69, with 61% women.

Medicare patients, 202434
Average age74
Average risk score0.96
Also on Medicaid32%

Dr. Van's Medicare patients by sex, 2024

  • Women1853%
  • Men1647%

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

  1. High blood pressure56%
  2. High cholesterol56%
  3. Diabetes47%
  4. Arthritis35%

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

Dr. Van's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women61%
  • Men38%

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

Dr. Da-Thuy T. Van wrote 2,027 Medicare Part D claims in 2024

In 2024, Dr. Van wrote 2,027 Medicare Part D claims for 693 patients. 78% of them were for generic drugs. CMS names the drug for 1,938 of them, across 17 drugs with 11 or more claims each, at $66,048 in total drug cost. In 2023, CMS named 1,354 claims across 17 drugs.

Part D claims, 20242,027
Drugs named by CMS17
Total drug cost$66,048
Part D patients693

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

  • Generic1,585 claims78%
  • Brand-name442 claims22%

Dr. Van'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: 1,3542024: 1,93843%

Drugs named by CMS: 17 in 2024, 17 in 2023.

See all prescribing by Dr. Van

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. Da-Thuy T. Van takes part in Medicare

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

Accepts Medicare assignment
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Da-Thuy T. Van has worked on 2 clinical trials

Dmand AI links Dr. Van to 2 clinical trials. Conditions studied include Cataract, Hyperemia and Keratoconjunctivitis Sicca. Open Payments lists research payments to Dr. Van that name 1 trial.

Conditions in Dr. Van's trials

  • Cataract
  • Hyperemia
  • Keratoconjunctivitis Sicca
  • Lens Diseases

Investigators on the most trials with Dr. Van

Recent clinical trials with Dr. Van

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Da-Thuy T. Van received $2,166 in industry payments from 2016 to 2022

CMS Open Payments shows 43 general payments to Dr. Van from 13 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 70% of the total. Allergan Inc. paid the most, $881. It also lists 6 research payments totaling $159,925 from 2018 to 2019, naming 1 clinical trial.

General payments to Dr. Van by program year, 2016 to 2022

General payments to Dr. Van by kind, 2016 to 2022

$2.2Kin total
  • Food and beverage$1,51070%
  • Travel and lodging$61829%
  • Education$382%

Companies that paid Dr. Van the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Van

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

Dr. Da-Thuy T. Van has 1 award and honors on record

Dmand AI lists 1 award for Dr. Van.

Awards and honors for Dr. Van

  1. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Da-Thuy T. Van graduated from Heritage College of Osteopathic Medicine

Dr. Van graduated from Heritage College of Osteopathic Medicine in 1997. Dr. Van is a member of AAO and AOA.

  1. Medical schoolHeritage College of Osteopathic Medicine
  2. Board certified in ophthalmologyAOA Board of Ophthalmology and Otolaryngology
  3. Board certified in 2022 - 2026CA State License
  4. Board certified in 1998 - 2003OH State License
  5. Board certified in 2001 - 2027TX State License

Source: Dmand AI Professional Profile Data

Dr. Da-Thuy T. Van accepts plans from 7 insurance carriers

Dr. Van is in network with 7 carriers, including Excellus BlueCross BlueShield, Blue Cross Blue Shield of Michigan and Cigna. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • Cigna
  • HCSC
  • Humana
  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Van accepts, by number of carriers

  1. HMO6
  2. Medicare5
  3. PPO5
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Da-Thuy T. Van'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Clinical trials and co-investigatorsClinicalTrials.gov (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. Da-Thuy T. Van

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. Da-Thuy T. Van's NPI number?

Dr. Da-Thuy T. Van's NPI number is 1750375580. It was assigned on September 8, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Da-Thuy T. Van?

Dr. Da-Thuy T. Van is an ophthalmologist in Vallejo, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Da-Thuy T. Van practice?

Dr. Van practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Van's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Van to 1 home health agency, 1 hospice and 1 medical group.

What is Dr. Da-Thuy T. Van's office phone number?

The practice phone on file for Dr. Van is (707) 651-1000.

What is Dr. Da-Thuy T. Van's medical license number?

Dr. Van holds Texas license L2723.

Which hospitals is Dr. Da-Thuy T. Van affiliated with?

Dr. Van practices at Vallejo Medical Center in Vallejo, California.

What medical group is Dr. Da-Thuy T. Van part of?

Dr. Van is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Van to 1 more medical group.

Does Dr. Da-Thuy T. Van accept Medicare?

Yes. CMS data shows Dr. Van billed Medicare for 22 services in 2024, and Dr. Van accepts Medicare assignment.

How many Medicare patients does Dr. Da-Thuy T. Van see?

CMS counts 34 Medicare patients who saw Dr. Van in 2024, with an average age of 74.

Is Dr. Da-Thuy T. Van board certified?

Yes. Dr. Van is board certified in ophthalmology by the AOA Board of Ophthalmology and Otolaryngology.

Show 7 more questionsShow fewer questions

What services does Dr. Da-Thuy T. Van bill to Medicare?

In 2024, Dr. Van's most billed Medicare services were office visit, established patient (99214).

Where did Dr. Da-Thuy T. Van go to medical school?

Dr. Van graduated from Heritage College of Osteopathic Medicine in 1997.

What drugs does Dr. Da-Thuy T. Van prescribe most?

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

Has Dr. Da-Thuy T. Van received payments from drug or device companies?

CMS Open Payments shows $2,166 in general payments to Dr. Van from 13 companies from 2016 to 2022. The largest total came from Allergan Inc.

How long has Dr. Da-Thuy T. Van been practicing?

Dr. Van graduated from medical school in 1997, 29 years ago.

Does Dr. Da-Thuy T. Van do research?

Dr. Van has worked on 2 clinical trials.

What insurance does Dr. Da-Thuy T. Van accept?

Dr. Van is in network with 7 carriers, including Excellus BlueCross BlueShield, Blue Cross Blue Shield of Michigan and Cigna. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

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