Amy S. Martens, DO

Medicare activity in 2024

Official CMS public-use data for Amy S. Martens, 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. Critical care, first 30-74 minutes (99291)93 services
2. Critical care, each additional 30 minutes (99292)34 services
3. Emergent insertion of breathing tube into windpipe using an endoscope (31500)13 services
4. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)11 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 cholesterol75%
• Heart failure61%
• Atrial fibrillation55%
• Diabetes54%
• Arthritis53%

Hospitals where Amy S. Martens works

Medicare's Facility Affiliation Data lists Amy S. Martens 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.

• St Charles MadrasMadras, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381324
• St Charles Medical Center - BendBend, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380047
• St Charles Medical Center PrinevillePrineville, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381313

Practice locations

Addresses where Amy S. Martens is enrolled with Medicare (CMS data updated October 2, 2026).

• 2500 NE Neff RdBend, OR 97701 (541) 706‑2768

Group practices

Medicare enrollment lists Amy S. Martens as a member of this group (CMS data updated October 2, 2026).

• St Charles Health System Inc173 clinicians in the group

Specialties

• Critical Care (Intensivists)primary
• Internal Medicinealso

Find other Critical Care (Intensivists) doctors in Oregon →

Other critical care doctors in Bend

Clinicians with the same Medicare primary specialty in Bend, OR — not a recommendation.

• Kevin M. Dischert, MD
• Ian A. Smith, MD
• Kelly A. Smith, MD
• Daniel S. Hagg, MD
• Tony Adams, MD

All critical care doctors in Bend →

Other clinicians in St Charles Health System Inc

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

• Natalie T. Good, DO
• Erin J. Morrow, MD
• Linda C. Selby, MD
• Gordon J. Juriansz, MD
• Daysha Crosier, PA
• Jonathan Edmiston, MD

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