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
- Record last updated
- Jul 15, 2025
- Fax
- (641) 428-5150
- Medicare enrollment
- Enrolled (PECOS I20150824000546); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 105 in Iowa → Look up another NPI →
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, PAPhysician Assistant1629719737
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
19% more Medicare Part D claims than the average dermatology physician in 2024
945 Medicare Part D claims for 356 beneficiaries, against an average of 797 among the 12,802 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.
Bills Medicare through 2 group practices
- Mitchell County Memorial HospitalOsage, IA
- North Iowa Mercy ClinicsMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yen Chen Liu among 105 dermatology physician records in Iowa
Yen Chen Liu, MD is one of 105 dermatology physician records with a practice address in Iowa. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.
- NPI issued2010 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2008 among the 71 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Iowa
There are 105 dermatology physician records in Iowa.
All 105 in Iowa → Every provider in Mason City → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- James Karkos, MDMason City, IA 504011659475382
- Carl Plank, MDMason City, IA 504011518077593
- Tanusin Ploysangam, MDMason City, IA 504011588783385
- Kirsten Dickinson, MDClive, IA 503251366893752
- Erin Ducharme, MDClive, IA 503251891961900
- Steven Harlan, M.D.Clive, IA 503251801826144
- Natalie Steinhoff, DOClive, IA 503251588067375
- Timothy Abrahamson, M.D.Urbandale, IA 503231245239623
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 797. Part D covers Medicare prescriptions only.
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.