Wei-Fen Hsu, MD
NPI 1295115798 · Family Medicine Physician · Mason City, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wei-Fen Hsu, MD is a Family Medicine Physician provider in Mason City, IA (NPI 1295115798).
Provider details
- NPI number
- 1295115798
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- R-10203 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
136 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $90 |
Typical Medicare-allowed amounts for these services range $61–$90 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 22 | 19 |
| Cefdinir | 19 | 16 |
| Furosemide | 16 | — |
| Omeprazole | 16 | — |
| Tramadol Hcl | 14 | — |
| Azithromycin | 14 | 12 |
| Cyclobenzaprine Hcl | 13 | — |
| Alprazolam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-01
- Last updated
- 2020-09-21
- Certified
- 2020-09-21
Frequently asked questions
- What is Wei-Fen Hsu's NPI number?
- Wei-Fen Hsu's National Provider Identifier (NPI) is 1295115798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wei-Fen Hsu's specialty?
- Wei-Fen Hsu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wei-Fen Hsu located?
- Wei-Fen Hsu's practice location on file with NPPES is 1010 4th St Sw, Mason City, IA 50401-2857.
- What is Wei-Fen Hsu's phone number?
- The practice phone number listed in the NPPES registry for Wei-Fen Hsu is (641) 428-7766.
- Does Wei-Fen Hsu accept Medicare?
- Wei-Fen Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wei-Fen Hsu's NPI active?
- Yes — Wei-Fen Hsu's NPI (1295115798) is active in the NPPES registry as of the last update on 2020-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.