Dr. Van Hoy Woo, MD
- Medicare services, 2024
- 4,429
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 152
- MIPS score, 2024
- 98
- Hospital affiliations
- 2
- Practice address
- 503 Thompson Ave, El Dorado, AR 71730
- Practice phone
- Call (870) 864-0318
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Arkansas Rt Associates
El Dorado, Arkansas
Find Dr. Woo'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. Van Hoy Woo is a radiation oncologist in El Dorado, Arkansas
Dr. Woo practices at South Arkansas Rt Associates in El Dorado, Arkansas.
Dr. Woo's NPI, 1578502324, was assigned on June 6, 2006. Dr. Woo graduated from Saint Louis University School of Medicine in 1991. Dr. Woo holds Oklahoma license 19157.
- NPI
- 1578502324NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739183104
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (870) 864-0318
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Van Hoy Woo practices at South Arkansas Rt Associates in El Dorado, Arkansas
Dr. Woo's primary practice is South Arkansas Rt Associates, at 503 Thompson Ave, El Dorado, AR 71730 in Union County. The practice phone is (870) 864-0318.
- South Arkansas Rt Associates503 Thompson Ave, El Dorado, AR 71730 · Union CountyPhone(870) 864-0318
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Van Hoy Woo is affiliated with 5 sites of care and 4 medical groups
Dr. Woo's primary practice is South Arkansas Rt Associates in El Dorado, Arkansas. Dr. Woo is also affiliated with Saint Francis Hospital. The medical group on file is Warren Clinic. Dmand AI also links Dr. Woo to 1 more hospital, 3 medical groups and 2 physician offices, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Van Hoy Woo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Woo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Arkansas Rt Associates | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Van Hoy Woo is one of 47 radiation oncologists in Arkansas
Radiation oncology is Dr. Woo's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Woo's licenses on file in 3 states: Oklahoma, California and Kansas.
Specialties and state licenses
- Radiation oncology, OklahomaPrimary
- California license
- Kansas license
Radiation oncologists near Dr. Woo
Counts of radiation oncologists 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. Van Hoy Woo billed Medicare for 4,429 services in 2024
CMS data shows 4,429 Medicare services from Dr. Woo across 12 procedure codes in 2024, for 88 Medicare patients. Medicare paid $636,408 for them. Every service was in an office.
Dr. Woo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 3,1312024: 3,2564%
- Imaging
- 2023: 1,1292024: 1,1042%
- Office and hospital visits
- 2023: 912024: 6924%
Dr. Woo compared with the Arkansas median for radiation oncologists, 2024
- Dr. Woo
- Arkansas median
- Medicare services
- 4,429vs 2,1302.1 times
- Medicare patients
- 88vs 22160% below
- Part D claims
- 118vs 7069% above
Medians across 43 radiation oncologists in Arkansas with Dmand AI profiles that report each measure.
Dr. Woo'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Woo and other radiation oncologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Van Hoy Woo treated 88 Medicare patients in 2024, average age 75
CMS counts 88 Medicare patients who saw Dr. Woo in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.76, 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. Woo's median patient age at 73, with 34% women.
Dr. Woo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Woo's Medicare patients by sex, 2024
- Women3338%
- Men5563%
Chronic conditions among Dr. Woo's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol63%
- Arthritis41%
- Ischemic heart disease40%
- COPD38%
- Diabetes30%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Woo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women34%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Van Hoy Woo wrote 152 Medicare Part D claims in 2024
In 2024, Dr. Woo wrote 152 Medicare Part D claims for 66 patients. 95% of them were for generic drugs. CMS names the drug for 118 of them, across 4 drugs with 11 or more claims each, at $2,868 in total drug cost. In 2023, CMS named 46 claims across 1 drug.
Dr. Woo's Part D claims by kind of drug, 2024
- Generic144 claims95%
- Brand-name and other8 claims5%
Dr. Woo'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: 462024: 118157%
Drugs named by CMS: 4 in 2024, 1 in 2023.
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. Van Hoy Woo scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Woo for performance year 2024, reported through an alternative payment model (APM). Dr. Woo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Woo's MIPS scores, performance year 2024
- 98of 100Final score
- 88.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Van Hoy Woo received $52 in industry payments from 2019 to 2024
CMS Open Payments shows 2 general payments to Dr. Woo from 2 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $28.
General payments to Dr. Woo by program year, 2019 to 2024
Companies that paid Dr. Woo the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Van Hoy Woo graduated from Saint Louis University School of Medicine
Dr. Woo graduated from Saint Louis University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Van Hoy Woo'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Van Hoy Woo
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. Van Hoy Woo's NPI number?
Dr. Van Hoy Woo's NPI number is 1578502324. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Van Hoy Woo?
Dr. Van Hoy Woo is a radiation oncologist in El Dorado, Arkansas. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Van Hoy Woo practice?
Dr. Woo practices at 503 Thompson Ave, El Dorado, AR 71730. Dr. Woo's primary practice is South Arkansas Rt Associates in El Dorado, Arkansas. Dmand AI also links Dr. Woo to 1 hospital, 3 medical groups and 2 physician offices.
What is Dr. Van Hoy Woo's office phone number?
The practice phone on file for Dr. Woo is (870) 864-0318.
What is Dr. Van Hoy Woo's medical license number?
Dr. Woo holds Oklahoma license 19157, one of the licenses on file in 3 states.
Which states has Dr. Van Hoy Woo been licensed in?
Dmand AI has state licenses on file for Dr. Woo in Oklahoma, California and Kansas.
Which hospitals is Dr. Van Hoy Woo affiliated with?
Dr. Woo is affiliated with Saint Francis Hospital. Dmand AI links Dr. Woo to 1 more hospital.
What medical group is Dr. Van Hoy Woo part of?
Dr. Woo is linked to Warren Clinic. Dmand AI links Dr. Woo to 3 more medical groups.
Does Dr. Van Hoy Woo accept Medicare?
Yes. CMS data shows Dr. Woo billed Medicare for 4,429 services in 2024, and Dr. Woo accepts Medicare assignment.
What is Dr. Van Hoy Woo's MIPS score?
Dr. Woo's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Van Hoy Woo see?
CMS counts 88 Medicare patients who saw Dr. Woo in 2024, with an average age of 75.
What services does Dr. Van Hoy Woo bill to Medicare?
In 2024, Dr. Woo's most billed Medicare services were medicare service (G6002), medicare service (G6015) and radiation oncology (77336).
Where did Dr. Van Hoy Woo go to medical school?
Dr. Woo graduated from Saint Louis University School of Medicine in 1991.
What drugs does Dr. Van Hoy Woo prescribe most?
In 2024 Medicare Part D data, Dr. Woo's most prescribed drugs by claims were Doxazosin Mesylate, Lidocaine HCl Viscous and Sucralfate.
Has Dr. Van Hoy Woo received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Dr. Woo from 2 companies from 2019 to 2024. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Van Hoy Woo been practicing?
Dr. Woo graduated from medical school in 1991, 35 years ago.
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