Wei-Fen Hsu, MD
Family Medicine Physician · Mason City, IA
Wei-Fen Hsu, MD is a family medicine physician with a practice address in Mason City, Iowa, and NPI 1295115798, issued on Jun 1, 2015. Check the license (Iowa R-10203, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Wei-Fen Hsu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R-10203 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 4TH St SW, Mason City, IA 50401
- Phone
- (641) 428-7766
- Enumerated
- Jun 1, 2015
- Record last updated
- Sep 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (641) 428-7788
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1010 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Alberts, MDStudent in an Organized Health Care Education/Training Program1215671516
- Ignatius Alden, MDStudent in an Organized Health Care Education/Training Program1285323535
- Luan Bargman, PAPhysician Assistant1073525010
- Nancy Beavers, ARNPObstetrics & Gynecology Nurse Practitioner1447275540
- David Beck, MDNeurological Surgery Physician1710099809
- Timothy Becker, RPHPharmacist1477563955
Verify Wei-Fen Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-10203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
373 Medicare Part D claims for 130 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Prednisone22 claims
- Cefdinir19 claims
- Furosemide16 claims
- Omeprazole16 claims
- Azithromycin14 claims
- Tramadol Hcl14 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.
Wei-Fen Hsu among 2,336 family medicine physician records in Iowa
Wei-Fen Hsu, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family medicine physician records list a practice address in Mason City
They are 56 of the 866 NPPES records with a practice address in Mason City, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Mason City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Behr, MDMason City, IA 504011770699423
- Robert Borgman, MDMason City, IA 504011750304028
- Mark Dankle, DOMason City, IA 504011891725834
- Robert Fagerholm, M.D.Mason City, IA 504011477584092
- Rebecca Jenkins, D.O.Mason City, IA 504011285613893
- Hameed Khan, MDMason City, IA 504011700813342
- Kimberly Larson, ARNPMason City, IA 504011689680183
- Mark Mahoney, M.D.Mason City, IA 504011427028554
Common questions
What is Wei-Fen Hsu, MD's NPI number?
Wei-Fen Hsu, MD's National Provider Identifier (NPI) is 1295115798, issued on Jun 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Wei-Fen Hsu, MD located?
The NPPES record lists a practice address at 1010 4TH St SW, Mason City, IA, 50401. Phone: (641) 428-7766. Providers update this record themselves, so call before visiting.
How can I verify Wei-Fen Hsu, MD's license?
NPPES lists Iowa license number R-10203, 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 Wei-Fen Hsu, MD prescribe under Medicare Part D?
In 2024, Wei-Fen Hsu, MD had 373 Medicare Part D claims for 130 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.