Dr. Arthur K. Liu, MD

  • Greeley, CO
  • Radiation oncologist
NPI1144288093PAC ID5193817526
Medicare services, 2024
4,946
Medicare patients, 2024
554
Part D claims, 2024
232
Publications
92
Hospital affiliations
6
Practice address
1801 16th St, Greeley, CO 80631
Practice phone
Call (970) 810-4121
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Banner North Colorado Medical Center

Hospital · Greeley, Colorado

See all 8 affiliations

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Dr. Arthur K. Liu is a radiation oncologist in Greeley, Colorado

Dr. Liu practices at Banner North Colorado Medical Center in Greeley, Colorado, part of Banner Health.

Dr. Liu's NPI, 1144288093, was assigned on May 2, 2006. Dr. Liu graduated from Harvard Medical School in 2002. Dr. Liu holds Colorado license 45447.

NPI and contact details
Medicare PAC ID
5193817526
NPI enumeration date
May 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(970) 810-4121
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. Arthur K. Liu practices at Banner North Colorado Medical Center in Greeley, Colorado

Dr. Liu's primary practice is Banner North Colorado Medical Center, at 1801 16th St, Greeley, CO 80631 in Weld County. The practice phone is (970) 810-4121.

Source: Dmand AI Affiliation Data

Dr. Arthur K. Liu is affiliated with 6 sites of care and 2 medical groups

Dr. Liu's primary practice is Banner North Colorado Medical Center in Greeley, Colorado, part of Banner Health. Dr. Liu is also affiliated with UCHealth Greeley Hospital. The medical group on file is UCHealth Medical Group. Dmand AI also links Dr. Liu to 4 more hospitals and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Liu

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

Dmand AI tracks the EHR system at Dr. Arthur K. Liu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Banner North Colorado Medical CenterAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Arthur K. Liu is one of 102 radiation oncologists in Colorado

Radiation oncology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Liu is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Liu's licenses on file in 4 states: Colorado, Nebraska, Wyoming and Massachusetts.

Specialties and state licenses

  • Radiation oncology, ColoradoPrimaryLicense 45447 · 2007 to 2027 · taxonomy 2085R0001X
  • Nebraska license2021 to 2026
  • Wyoming license2021 to 2026
  • Massachusetts license2003 to 2008

Clinical focus

Dmand AI lists anal cancer radiation, bladder cancer radiation, bone cancer radiation, brain cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI and colorectal cancer radiation among the conditions Dr. Liu treats.

Radiation oncologists near Dr. Liu

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. Arthur K. Liu billed Medicare for 4,946 services in 2024

CMS data shows 4,946 Medicare services from Dr. Liu across 21 procedure codes in 2024, for 554 Medicare patients. Medicare paid $356,315 for them. Every service was in an office.

Medicare services, 20244,946
Medicare patients554
Paid by Medicare$356,315
Procedure codes21

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

  • 2023
  • 2024
Imaging
2023: 5,7612024: 4,36324%
Office and hospital visits
2023: 3692024: 30717%
Other services
2023: 4392024: 27637%

Dr. Liu compared with the Colorado median for radiation oncologists, 2024

  • Dr. Liu
  • Colorado median
Medicare services
4,946vs 1,1394.3 times
Medicare patients
554vs 1613.4 times
Part D claims
162vs 423.9 times

Medians across 101 radiation oncologists in Colorado with Dmand AI profiles that report each measure.

Dr. Liu'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. Liu

Need commercial claims for Dr. Liu?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other radiation oncologists in Colorado.

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

Dr. Arthur K. Liu treated 554 Medicare patients in 2024, average age 75

CMS counts 554 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 265 patients. 75% of them have cancer, and 68% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.88, 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. Liu's median patient age at 76, with 36% women.

Medicare patients, 2024554
Average age75
Average risk score1.88
Also on Medicaid6%

Dr. Liu's Medicare patients by age, 2024

Dr. Liu's Medicare patients by sex, 2024

  • Women21138%
  • Men34362%

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

  1. Cancer75%
  2. High blood pressure68%
  3. High cholesterol66%
  4. Arthritis47%
  5. Ischemic heart disease29%
  6. Diabetes23%
  7. Anxiety21%
  8. Chronic kidney disease21%

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

Dr. Liu's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women36%
  • Men64%

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

Dr. Arthur K. Liu wrote 232 Medicare Part D claims in 2024

In 2024, Dr. Liu wrote 232 Medicare Part D claims for 118 patients. 98% of them were for generic drugs. CMS names the drug for 162 of them, across 7 drugs with 11 or more claims each, at $1,791 in total drug cost. In 2023, CMS named 132 claims across 5 drugs.

Part D claims, 2024232
Drugs named by CMS7
Total drug cost$1,791
Part D patients118

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

  • Generic227 claims98%
  • Brand-name and other5 claims2%

Dr. Liu'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.

Drug classes CMS tracks in Dr. Liu's Part D claims, 2024

  • Opioids13%29 of 232 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1322024: 16223%

Drugs named by CMS: 7 in 2024, 5 in 2023.

See all prescribing by Dr. Liu

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. Arthur K. Liu offers telehealth to Medicare patients

Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Arthur K. Liu has 92 publications on record

Dmand AI links 92 papers to Dr. Liu, published from 2007 to 2024. 2018 was the busiest year, with 10. The most frequent topics are Brain Neoplasms, Glioma and Magnetic Resonance Imaging. Dr. Liu has published most often in Int J Radiat Oncol Biol Phys. Dr. Liu's most frequent co-authors are Nicholas K. Foreman, MD, Michael H. Handler, MD and Todd Hankinson, MD.

Papers92
Years published2007 to 2024

Dr. Liu's papers by year, 2015 to 2024

Topics Dr. Liu writes about most

  • Brain Neoplasms
  • Glioma
  • Magnetic Resonance Imaging
  • Radiation Injuries
  • Radiosurgery
  • SEER Program
  • Brain Stem Neoplasms
  • Lung Neoplasms

Dr. Liu's most frequent co-authors

Recent publications by Dr. Liu

See all 92 publications and co-authors

See who Dr. Liu researches with

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

How network discovery works

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

Dr. Arthur K. Liu received $934 in industry payments from 2016 to 2022

CMS Open Payments shows 12 general payments to Dr. Liu from 6 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 66% of the total. Varian Medical Systems, Inc. paid the most, $612.

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

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

$934in total
  • Food and beverage$61266%
  • Travel and lodging$32234%

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

Share is of all general payments to this clinician.

See all payments to Dr. Liu

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

Dr. Arthur K. Liu has 1 award and honors on record

Dmand AI lists 1 award for Dr. Liu, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Liu

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Arthur K. Liu graduated from Harvard Medical School

Dr. Liu graduated from Harvard Medical School in 2002.

  1. Medical schoolHarvard Medical School
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Arthur K. Liu accepts plans from 17 insurance carriers

Dr. Liu is in network with 17 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Liu accepts, by number of carriers

  1. PPO13
  2. Medicare10
  3. HMO9
  4. POS7
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Arthur K. Liu'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)
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. Arthur K. Liu

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. Arthur K. Liu's NPI number?

Dr. Arthur K. Liu's NPI number is 1144288093. It was assigned on May 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Arthur K. Liu?

Dr. Arthur K. Liu is a radiation oncologist in Greeley, Colorado. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Arthur K. Liu practice?

Dr. Liu practices at 1801 16th St, Greeley, CO 80631. Dr. Liu's primary practice is Banner North Colorado Medical Center in Greeley, Colorado, part of Banner Health. Dmand AI also links Dr. Liu to 4 hospitals and 1 medical group.

What is Dr. Arthur K. Liu's office phone number?

The practice phone on file for Dr. Liu is (970) 810-4121.

What is Dr. Arthur K. Liu's medical license number?

Dr. Liu holds Colorado license 45447, one of the licenses on file in 4 states.

Which states has Dr. Arthur K. Liu been licensed in?

Dmand AI has state licenses on file for Dr. Liu in Colorado (2007 to 2027), Nebraska (2021 to 2026), Wyoming (2021 to 2026) and Massachusetts (2003 to 2008).

Which hospitals is Dr. Arthur K. Liu affiliated with?

Dr. Liu practices at Banner North Colorado Medical Center in Greeley, Colorado. Dr. Liu is also affiliated with UCHealth Greeley Hospital. Dmand AI links Dr. Liu to 4 more hospitals.

What medical group is Dr. Arthur K. Liu part of?

Dr. Liu is linked to UCHealth Medical Group. Dmand AI links Dr. Liu to 1 more medical group.

Does Dr. Arthur K. Liu accept Medicare?

Yes. CMS data shows Dr. Liu billed Medicare for 4,946 services in 2024, and Dr. Liu accepts Medicare assignment.

Does Dr. Arthur K. Liu offer telehealth?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Arthur K. Liu see?

CMS counts 554 Medicare patients who saw Dr. Liu in 2024, with an average age of 75.

Is Dr. Arthur K. Liu board certified?

Yes. Dr. Liu is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. Arthur K. Liu bill to Medicare?

In 2024, Dr. Liu's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).

Where did Dr. Arthur K. Liu go to medical school?

Dr. Liu graduated from Harvard Medical School in 2002.

What drugs does Dr. Arthur K. Liu prescribe most?

In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Tamsulosin HCl, Gabapentin and Prednisone.

Has Dr. Arthur K. Liu received payments from drug or device companies?

CMS Open Payments shows $934 in general payments to Dr. Liu from 6 companies from 2016 to 2022. The largest total came from Varian Medical Systems, Inc.

How long has Dr. Arthur K. Liu been practicing?

Dr. Liu graduated from medical school in 2002, 24 years ago.

Does Dr. Arthur K. Liu do research?

Dmand AI links 92 publications to Dr. Liu, published from 2007 to 2024.

Who does Dr. Arthur K. Liu publish with?

Dr. Liu's most frequent co-authors are Nicholas K. Foreman, MD (29 shared papers), Michael H. Handler, MD (14 shared papers) and Todd Hankinson, MD (13 shared papers).

What insurance does Dr. Arthur K. Liu accept?

Dr. Liu is in network with 17 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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