Dr. William Q. Duong, MD

  • Loma Linda, CA
  • Vascular surgeon
NPI1427402445PAC ID8325303753
Medicare services, 2024
72
Medicare patients, 2024
71
Part D claims, 2024
29
Publications
20
MIPS score, 2024
89
Practice address
11370 Anderson St, Loma Linda, CA 92354
Professional email
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Mobile number
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Primary practice

Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD

Acute Care Hospital outpatient department · Loma Linda, California

See all 7 affiliations

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Dr. William Q. Duong is a vascular surgeon in Loma Linda, California

Dr. Duong practices at Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD in Loma Linda, California.

Dr. Duong's NPI, 1427402445, was assigned on April 15, 2016. Dr. Duong graduated from Medical College Of Wisconsin in 2016. Dr. Duong holds California license A151071.

NPI and contact details
Medicare PAC ID
8325303753
NPI enumeration date
April 15, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Dr. William Q. Duong practices at Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD in Loma Linda, California

Dr. Duong's primary practice is Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD, at 11370 Anderson St, Loma Linda, CA 92354.

  • Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD
    11370 Anderson St, Loma Linda, CA 92354

Source: Dmand AI Affiliation Data

Dr. William Q. Duong is affiliated with 5 sites of care and 2 medical groups

Dr. Duong's primary practice is Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD in Loma Linda, California. Dr. Duong is also affiliated with Loma Linda University Medical Center. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Duong to 1 more hospital, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group, each named with a free account. Dr. Duong's employer is on file too: a hospital.

See all 7 affiliations for Dr. Duong

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. William Q. Duong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duong practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Loma Linda University Medical Cente - Center for Restorative Neurology - HOPDAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William Q. Duong is one of 532 vascular surgeons in California

Vascular surgery is Dr. Duong's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Duong is board certified in surgery by the American Board of Surgery. Dr. Duong is licensed in California.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense A151071 · 2017 to 2027 · taxonomy 2086S0129X

Vascular surgeons near Dr. Duong

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

532vascular surgeons in California
5vascular surgeons in Loma Linda

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

Dr. William Q. Duong billed Medicare for 72 services in 2024

CMS data shows 72 Medicare services from Dr. Duong across 5 procedure codes in 2024, for 71 Medicare patients. Medicare paid $7,563 for them.

Medicare services, 202472
Medicare patients71
Paid by Medicare$7,563
Procedure codes5

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

  • In an office2839%
  • In a facility4461%

Dr. Duong compared with the California median for vascular surgeons, 2024

  • Dr. Duong
  • California median
Medicare services
72vs 60988% below
Medicare patients
71vs 27274% below
Part D claims
12vs 5578% below

Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.

Dr. Duong'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. Duong

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

Dr. William Q. Duong treated 71 Medicare patients in 2024, average age 71

CMS counts 71 Medicare patients who saw Dr. Duong in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 65% are also on Medicaid. Their average risk score is 4.25, 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. Duong's median patient age at 68, with 46% women.

Medicare patients, 202471
Average age71
Average risk score4.25
Also on Medicaid65%

Dr. Duong's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Duong's Medicare patients by sex, 2024

  • Women3549%
  • Men3651%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes59%
  4. Ischemic heart disease54%
  5. Heart failure52%
  6. Chronic kidney disease51%
  7. Arthritis45%
  8. Stroke or TIA30%

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

Dr. Duong'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

  • Women46%
  • Men53%

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

Dr. William Q. Duong wrote 29 Medicare Part D claims in 2024

In 2024, Dr. Duong wrote 29 Medicare Part D claims for 22 patients. 93% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $68 in total drug cost. In 2022, CMS named 26 claims across 1 drug.

Part D claims, 202429
Drugs named by CMS1
Total drug cost$68
Part D patients22

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

  • Generic27 claims93%
  • Brand-name and other2 claims7%

Dr. Duong's most prescribed drugs by claims, 2023

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. Duong's Part D claims, 2024

  • Opioids45%13 of 29 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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 262023: 1254%

Drugs named by CMS: 1 in 2023, 1 in 2022.

See all prescribing by Dr. Duong

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. William Q. Duong scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Duong for performance year 2024, reported as part of a group. Dr. Duong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duong as offering telehealth. CMS counts 20 procedures of leg revascularization (restoring blood flow) by Dr. Duong, more than 80% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Duong's MIPS scores, performance year 2024

  • 89of 100Final score
  • 72.1of 100Quality
  • 80of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Duong ranks in Medicare procedure volume

Leg revascularization (restoring blood flow)
80th percentile20 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. William Q. Duong has 20 publications on record

Dmand AI links 20 papers to Dr. Duong, published from 2019 to 2023. 2020 was the busiest year, with 9. The most frequent topics are Blood Vessel Prosthesis Implantation, Endovascular Procedures and Aortic Aneurysm, Abdominal. Dr. Duong has published most often in Ann Vasc Surg. Dr. Duong's most frequent co-authors are Areg Grigorian, MD, Jeffry T. Nahmias, MD and Michael E. Lekawa, MD.

Papers20
Years published2019 to 2023

Dr. Duong's papers by year, 2019 to 2023

Topics Dr. Duong writes about most

  • Blood Vessel Prosthesis Implantation
  • Endovascular Procedures
  • Aortic Aneurysm, Abdominal
  • Anastomosis, Surgical
  • Anastomotic Leak
  • Length of Stay
  • Blood Vessel Prosthesis
  • Colorectal Neoplasms

Dr. Duong's most frequent co-authors

Recent publications by Dr. Duong

See all 20 publications and co-authors

See who Dr. Duong researches with

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

How network discovery works

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

Dr. William Q. Duong received $29,388 in industry payments from 2017 to 2025

CMS Open Payments shows 117 general payments to Dr. Duong from 19 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 53% of the total. Medtronic, Inc. paid the most, $22,864.

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

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

$29.4Kin total
  • Travel and lodging$15,71153%
  • Food and beverage$5,99520%
  • Grants$5,06717%
  • Speaker and faculty fees$1,2804%
  • Other$1,3365%

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

Share is of all general payments to this clinician.

See all payments to Dr. Duong

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

Dr. William Q. Duong graduated from Medical College Of Wisconsin

Dr. Duong graduated from Medical College Of Wisconsin in 2016.

  1. Medical schoolMedical College Of Wisconsin
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. William Q. Duong accepts plans from 15 insurance carriers

Dr. Duong is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Duong accepts, by number of carriers

  1. Medicare9
  2. PPO9
  3. HMO7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. William Q. Duong'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 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)Clinician Public Reporting: Overall MIPS Performance (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)
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. William Q. Duong

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. William Q. Duong's NPI number?

Dr. William Q. Duong's NPI number is 1427402445. It was assigned on April 15, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. William Q. Duong?

Dr. William Q. Duong is a vascular surgeon in Loma Linda, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. William Q. Duong practice?

Dr. Duong practices at 11370 Anderson St, Loma Linda, CA 92354. Dr. Duong's primary practice is Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD in Loma Linda, California. Dmand AI also links Dr. Duong to 1 hospital, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group.

What is Dr. William Q. Duong's medical license number?

Dr. Duong holds California license A151071.

Which hospitals is Dr. William Q. Duong affiliated with?

Dr. Duong is affiliated with Loma Linda University Medical Center. Dmand AI links Dr. Duong to 1 more hospital.

What medical group is Dr. William Q. Duong part of?

Dr. Duong is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Duong to 1 more medical group.

Does Dr. William Q. Duong accept Medicare?

Yes. CMS data shows Dr. Duong billed Medicare for 72 services in 2024, and Dr. Duong accepts Medicare assignment.

Does Dr. William Q. Duong offer telehealth?

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

What is Dr. William Q. Duong's MIPS score?

Dr. Duong's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Dr. William Q. Duong see?

CMS counts 71 Medicare patients who saw Dr. Duong in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Dr. William Q. Duong board certified?

Yes. Dr. Duong is board certified in surgery by the American Board of Surgery.

What services does Dr. William Q. Duong bill to Medicare?

In 2024, Dr. Duong's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99222).

Where did Dr. William Q. Duong go to medical school?

Dr. Duong graduated from Medical College Of Wisconsin in 2016.

What drugs does Dr. William Q. Duong prescribe most?

In 2023 Medicare Part D data, Dr. Duong's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Dr. William Q. Duong received payments from drug or device companies?

CMS Open Payments shows $29,388 in general payments to Dr. Duong from 19 companies from 2017 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. William Q. Duong been practicing?

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

Does Dr. William Q. Duong do research?

Dmand AI links 20 publications to Dr. Duong, published from 2019 to 2023.

Who does Dr. William Q. Duong publish with?

Dr. Duong's most frequent co-authors are Areg Grigorian, MD (12 shared papers), Jeffry T. Nahmias, MD (11 shared papers) and Michael E. Lekawa, MD (7 shared papers).

What insurance does Dr. William Q. Duong accept?

Dr. Duong is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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