Yen Chen Liu, MD
Dermatology Physician · Mason City, IA
Yen Chen Liu, MD is a dermatology physician with a practice address in Mason City, Iowa, and NPI 1316269160, issued on Feb 22, 2010. Check the license (Iowa MD-42791, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Yen Chen Liu
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD-42791 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1421 4TH St SW, Mason City, IA 50401
- Phone
- (641) 428-2080
- Enumerated
- Feb 22, 2010
- Entity
- Type 1 · individual
Also registered at 1421 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Karkos, MDDermatology Physician1659475382
- Heather Lamb, PA-CPhysician Assistant1174510838
- Kimberly Larson, ARNPFamily Medicine Physician1689680183
- Carrissa Riggs, PAPhysician Assistant1750913406
- Laura Thorson, PAPhysician Assistant1801459730
- Claire Williams, PAStudent in an Organized Health Care Education/Training Program1629719737
Verify Yen Chen Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-42791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
18% more Medicare Part D claims than the average dermatology physician in 2024
945 Medicare Part D claims for 356 beneficiaries, against an average of 799 among the 11,754 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Triamcinolone Acetonide127 claims
- Betamethasone Diprop Augmented109 claims
- Cephalexin69 claims
- Clobetasol Propionate67 claims
- Ketoconazole52 claims
- Hydroxychloroquine Sulfate51 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.
2 hospital and facility affiliations
- Mitchell County Memorial HospitalOsage, IA
- North Iowa Mercy ClinicsMason City, IA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Dermatology Physician providers in Iowa
There are 90 dermatology physician records in Iowa.
Other dermatology physician records in Iowa
- Roshan AbidIowa City, IA1548898745
- Richard Ameln, M.D.Ottumwa, IA1225004799
- Vincent Angeloni, M.D.Clive, IA1689671745
- Mirza Baig, M.D.Des Moines, IA1750332284
- Robert Barry, M.D.Cedar Rapids, IA1629051297
- Jared Blad, MDIowa City, IA1699469635
- Carey Bligard, MDFort Dodge, IA1790756260
- Emily Boes, D.O.Cedar Rapids, IA1417307497
- John Bovenmyer, M.D.Davenport, IA1396803375
- David Boysen, M.D.Coralville, IA1972687911
Common questions
What is Yen Chen Liu, MD's NPI number?
Yen Chen Liu, MD's National Provider Identifier (NPI) is 1316269160, issued on Feb 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Yen Chen Liu, MD located?
The NPPES record lists a practice address at 1421 4TH St SW, Mason City, IA, 50401. Phone: (641) 428-2080. Providers update this record themselves, so call before visiting.
How can I verify Yen Chen Liu, MD's license?
NPPES lists Iowa license number MD-42791, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yen Chen Liu, MD prescribe under Medicare Part D?
In 2024, Yen Chen Liu, MD had 945 Medicare Part D claims for 356 beneficiaries; the average among dermatology physician prescribers was 799. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.