Mary K. Newkirk, MD

Medicare activity in 2024

Official CMS public-use data for Mary K. Newkirk, 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)112 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)80 services
3. Hospital discharge day management, more than 30 minutes (99239)28 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 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%
• Arthritis53%
• Heart failure53%
• Chronic kidney disease51%
• Ischemic heart disease50%

Hospitals where Mary K. Newkirk works

Medicare's Facility Affiliation Data lists Mary K. Newkirk 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.

• Hilo Benioff Medical CenterHilo, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120005

Practice locations

Addresses where Mary K. Newkirk is enrolled with Medicare (CMS data updated October 2, 2026).

• 1190 Waianuenue AveHilo, HI 96720 (808) 932‑3000

Group practices

Medicare enrollment lists Mary K. Newkirk as a member of this group (CMS data updated October 2, 2026).

• Quantum Healthcare Medical Associates Inc109 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Hawaii →

Other internal medicine doctors in Hilo

Clinicians with the same Medicare primary specialty in Hilo, HI — not a recommendation.

• Brooke Hayashi, DO
• Daniel H. Belcher, MD
• Craig A. Winkler, MD
• Joy S. Wilson, MD
• Steven A. Kind, MD
• Erik Kinoshita, MD
• Michelle A. Hryniuk, DO
• Sydney Tatsuno, MD

All internal medicine doctors in Hilo →

Other clinicians in Quantum Healthcare Medical Associates Inc

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

• Ankur D. Bhagat, DO
• Lam Vo, DO
• Isaac Prows, DO
• David E. Pena, MD
• Joy S. Wilson, MD
• Wenbai Zhou, 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