Shih-An J. Hsieh, MD

Medicare activity in 2024

Official CMS public-use data for Shih-An J. Hsieh, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)91 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)51 services
3. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)42 services
4. Hospital discharge day management, more than 30 minutes (99239)38 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)29 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 blood pressure75%
• High cholesterol69%
• Arthritis43%
• Anxiety39%
• Diabetes34%
• Depression34%

Hospitals where Shih-An J. Hsieh works

Medicare's Facility Affiliation Data lists Shih-An J. Hsieh at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240002
• Northfield HospitalNorthfield, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240014
• Range Regional Health ServicesHibbing, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 240040
• Riverwood Healthcare CenterAitkin, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241305
• St Lukes HospitalDuluth, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240047

Practice locations

Addresses where Shih-An J. Hsieh is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

• 200 Bunker Hill DrAitkin, MN 56431 (218) 927‑2121
• 402 E Platt AveNashwauk, MN 55769 (218) 885‑2858
• 510 8th Ave NE, Hazen Memorial HospitalHazen, ND 58545 · Hazen Memorial Hospital Association (701) 748‑2225
• 515 5th Ave WGrand Marais, MN 55604 · Cook County Hospital District (218) 387‑3040
• 612 S Sibley AveLitchfield, MN 55355 · County of Meeker (320) 693‑3233

Group practices

Medicare enrollment lists Shih-An J. Hsieh as a member of these groups (CMS data updated October 2, 2026).

• St. Luke's Hospital of Duluth405 clinicians in the group
• Range Regional Health Services353 clinicians in the group
• Aitkin Community Hospital Inc105 clinicians in the group
• CCM Health69 clinicians in the group
• Welia Health62 clinicians in the group
• Lifecare Medical Center58 clinicians in the group

Specialties

• Internal Medicineprimary
• Hospitalistalso

Find other Internal Medicine doctors in Minnesota →

Other internal medicine doctors in Aitkin

Clinicians with the same Medicare primary specialty in Aitkin, MN — not a recommendation.

• Joselito T. Burgos Jr., MD
• Kruti J. Patel, MD
• Sweety Prethish, MD

All internal medicine doctors in Aitkin →

Other clinicians in St. Luke's Hospital of Duluth

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

• Elizabeth A. Feist, MD
• Anika Whiting, PA
• Michael V. Chmielewski, MD
• Krishna P. Kolandaivel, MD
• Joy C. Strand, CNA
• Megan S. Drommerhausen, CNA

Clinician information

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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians