Herman H. Feringa, MD

Medicare activity in 2024

Official CMS public-use data for Herman H. Feringa, 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. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)11,837 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)723 services
3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)426 services
4. Injection, regadenoson, 0.1 mg (J2785)388 services
5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)359 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%
• Ischemic heart disease54%
• Arthritis46%
• Atrial fibrillation32%
• Diabetes31%

Hospitals where Herman H. Feringa works

Medicare's Facility Affiliation Data lists Herman H. Feringa 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.

• Mat-Su Regional Medical CenterPalmer, AK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 020006
• Providence Alaska Medical CenterAnchorage, AK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 020001

Practice locations

Addresses where Herman H. Feringa is enrolled with Medicare (CMS data updated October 2, 2026).

• 2490 S Woodworth Loop, Suite 250Palmer, AK 99645 (907) 561‑3211
• 3841 Piper St, Suite T100Anchorage, AK 99508 (907) 561‑3211

Group practices

Medicare enrollment lists Herman H. Feringa as a member of this group (CMS data updated October 2, 2026).

• Alaska Heart Institute60 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in Alaska →

Other cardiologists in Alaska

Clinicians with the same Medicare primary specialty in Alaska — not a recommendation.

• Paul Ho, MD
• Brian T. Scully, MD
• Lisa N. Gray, DO
• Joseph H. Park, MD
• Gene R. Quinn, MD
• John Stephens, MD
• Hung N. Vo, MD
• Jeffrey A. Dixson, MD

All cardiologists in Alaska →

Other clinicians in Alaska Heart Institute

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

• Hanna M. Chastain
• Lisa N. Gray, DO
• Elizabeth A. Garrity, NP
• Krzysztof W. Balaban, MD
• Thomas K. Kramer, MD
• Suneet N. Purohit, 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