Arthur Liu, MD
Radiation Oncology Physician · Aurora, CO
Arthur Liu, MD is a radiation oncology physician with a practice address in Aurora, Colorado, and NPI 1144288093, issued on May 2, 2006. Check the license (Colorado 45447, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Arthur Liu
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 45447 CO
Self-reported in NPPES; status is on the state search - Practice location
- 12605 E 16TH Ave, Aurora, CO 80045
- Phone
- (720) 848-0000
- Enumerated
- May 2, 2006
- Record last updated
- Oct 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 20807279 CO
- Medicare enrollment
- Enrolled (PECOS I20070815000398); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 111 in Colorado → Look up another NPI →
Also registered at 12605 E 16TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mona Abaza, MDOtolaryngology Physician1043313844
- Meagan AbbagnaroAnesthesiologist Assistant1851254262
- Jean Abbott, MDEmergency Medicine Physician1578672820
- Adam Abraham, MDInternal Medicine Physician1720178304
Verify Arthur Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% more Medicare Part D claims than the average radiation oncology physician in 2024
232 Medicare Part D claims for 118 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Tamsulosin Hcl49 claims
- Gabapentin28 claims
- Prednisone28 claims
- Dexamethasone23 claims
- Mometasone Furoate12 claims
- Hydrocodone-Acetaminophen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Poudre Valley Medical Group LLCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arthur Liu among 111 radiation oncology physician records in Colorado
Arthur Liu, MD is one of 111 radiation oncology physician records with a practice address in Colorado. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 58% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2002 · median 2007 among the 88 with a school on file
- Record last updated2012 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Colorado
There are 111 radiation oncology physician records in Colorado.
All 111 in Colorado → Every provider in Aurora → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Mackenzie Daly, MDAurora, CO 800451215022611
- Christine Fisher, M.D.Aurora, CO 800451265643597
- Karyn Goodman, M.D.Aurora, CO 800451275670671
- Brian Kavanagh, MDAurora, CO 800451518074350
- Ryan Lanning, M.D., PHD.Aurora, CO 800451023302148
- Michelle Ludwig, M.D.Aurora, CO 800451316269269
- Sarah Milgrom, M.D.Aurora, CO 800451992937312
- David Nagel, M.D.Aurora, CO 800451336143106
Common questions
What is Arthur Liu, MD's NPI number?
Arthur Liu, MD's National Provider Identifier (NPI) is 1144288093, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arthur Liu, MD located?
The NPPES record lists a practice address at 12605 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Arthur Liu, MD's license?
NPPES lists Colorado license number 45447, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arthur Liu, MD prescribe under Medicare Part D?
In 2024, Arthur Liu, MD had 232 Medicare Part D claims for 118 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Arthur Liu, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.