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Physical Therapist in Private Practice

Sean T. Stiennon

Sees patients in Mason City, IA · Iowa

Summary

Sean T. Stiennon is a physical therapist at 461 S Illinois Ave, Athletico Physical Therapy, Mason City, IA 50401. Phone: (641) 423-6279. Accepts Medicare assignment. In 2024, Sean T. Stiennon had 209 Original Medicare patients and 3,573 services. NPI 1528711975. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physical therapist (Medicare lists Physical Therapist in Private Practice)
  • Address: 461 S Illinois Ave, Athletico Physical Therapy, Mason City, IA 50401 · Directions
  • Phone: (641) 423‑6279
  • Medicare: Accepts Medicare assignment
  • Group practice: Athletico Ltd
  • School: Mayo Medical School · graduated 2021
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sean T. Stiennon, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sean T. Stiennon accept Medicare assignment?
Yes. Medicare's clinician data says Sean T. Stiennon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Sean T. Stiennon see?
In 2024, CMS data shows 209 Original Medicare patients and 3,573 services for Sean T. Stiennon. This counts Original Medicare only and measures volume, not quality.
What is Sean T. Stiennon's NPI number?
1528711975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sean T. Stiennon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients209
Services billed to Medicare3,573
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Therapy procedure using functional activities (97530)1,151 services
  2. Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)902 services
  3. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)711 services
  4. Therapy procedure using manual technique, each 15 minutes (97140)478 services
  5. Re-evaluation for physical therapy, typically 20 minutes (97164)151 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Arthritis75%
  • High blood pressure69%
  • Diabetes30%
  • Depression27%
  • Anxiety26%

Practice locations

Addresses where Sean T. Stiennon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sean T. Stiennon as a member of this group (CMS data updated October 2, 2026).

  • Athletico Ltd2,200 clinicians in the group

Specialties

Find other clinicians: Physical Therapist in Private Practice, Iowa →

Other physical therapists in Mason City

Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.

All physical therapists in Mason City →

Other clinicians in Athletico Ltd

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

SchoolMayo Medical School
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528711975
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians