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WEI-FEN HSU MD
NPI 1295115798
Family Medicine in Mason City, IA

Active since June 01, 2015PECOS Enrolled
1010 4TH ST SW, SUITE 340, MASON CITY, IA 50401(641) 428-7766(641) 428-7788 Get Directions Write a Review

NPPES record last updated: September 21, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Wei-fen Hsu Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WEI-FEN HSU MD (NPI 1295115798) is an individual family medicine provider in Mason City, Iowa, licensed in Iowa (R-10203) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295115798
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameWEI-FEN HSUCredential: MD
Location Address1010 4TH ST SW, SUITE 340Mason City, IA 50401-2857
Mailing Address621 S Illinois Ave, Suite 103Mason City, IA 50401-5489 · (641) 428-3041 · Fax (641) 428-3059
Phone(641) 428-7766
Fax(641) 428-7788
Sole ProprietorNo
Enumeration DateJune 1, 2015
Last NPPES UpdateSeptember 21, 2020
NPPES CertifiedSeptember 21, 2020
✔ NPI 1295115798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IA · R-10203
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1010 4TH ST SW, Mason City, IA 50401
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wei-fen Hsu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Wei-fen Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Iowa Mercy Clinics
Same address
Obstetrics & Gynecology
1010 4TH ST SW STE 220
Mason City, IA 50401
  • Reassigned Medicare billing, Iowa enrollment
  • 420 clinicians in this Medicare group
NPI 1306857347 (641) 428-5100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
93 services79 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA SPICER
Pharmacist
1010 4TH ST SW
MASON CITY, IA 50401
Cerro Gordo County (641) 422-6105
DR. CHAD M MCCAMBRIDGE MD
Family Medicine
1010 4TH ST SW, SUITE 340
MASON CITY, IA 50401
Cerro Gordo County (641) 428-7766
SIDDHARTH VERMA DO
Student in an Organized Health Care Education/Training Program
1010 4TH ST SW, STE 305
MASON CITY, IA 50401
Cerro Gordo County (641) 428-5700
LUAN M BARGMAN PA
Physician Assistant
1010 4TH ST SW, SUITE 120
MASON CITY, IA 50401
Cerro Gordo County (641) 428-6020
MAGNETIC RESONANCE SERVICES PTR
Clinic/Center (Magnetic Resonance Imaging (MRI))
1010 4TH ST SW, SUITE 100
MASON CITY, IA 50401
Cerro Gordo County (641) 424-0102
WILLIAM D MATTHEWS M.D.
Radiology (Diagnostic Radiology)
1010 4TH ST SW, SUITE 100
MASON CITY, IA 50401
Cerro Gordo County (641) 424-0102
MR. TONY GENE PALS PHARMD
Pharmacist
1010 4TH ST SW
MASON CITY, IA 50401
Cerro Gordo County (641) 422-6105
DANIEL MICHELSON MD
Student in an Organized Health Care Education/Training Program
1010 4TH ST SW, STE 340
MASON CITY, IA 50401
Cerro Gordo County (641) 428-7766

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Wei-fen Hsu's NPI number?

The NPI number for Wei-fen Hsu is 1295115798. It was assigned to this individual provider in the NPPES registry on June 1, 2015.

Where is Wei-fen Hsu located?

Wei-fen Hsu practices at 1010 4th St SW Suite 340, Mason City, IA 50401. The listed phone number is (641) 428-7766.

What is Wei-fen Hsu's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Wei-fen Hsu enrolled in Medicare?

Yes. Wei-fen Hsu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wei-fen Hsu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wei-fen Hsu reassigns Medicare benefits to North Iowa Mercy Clinics (Mason City, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wei-fen Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Wei-fen Hsu accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Wei-fen Hsu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Wei-fen Hsu was last updated on September 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.