Philip N. Isenberg, MD

Medicare activity in 2024

Official CMS public-use data for Philip N. Isenberg, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)49 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)19 services
3. Influenza vaccine split virus, preservative free (90662)16 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 services
5. Administration of influenza virus vaccine (G0008)16 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 pressure61%
• High cholesterol52%
• Diabetes42%
• Arthritis36%
• Chronic kidney disease26%
• Atrial fibrillation19%

Hospitals where Philip N. Isenberg works

Medicare's Facility Affiliation Data lists Philip N. Isenberg 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.

• Kaiser Permanente Central HospitalSeattle, WA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 500052

Practice locations

Addresses where Philip N. Isenberg is enrolled with Medicare (CMS data updated October 2, 2026).

• 1400 Pottery AvePort Orchard, WA 98366 (360) 895‑5000

Group practices

Medicare enrollment lists Philip N. Isenberg as a member of this group (CMS data updated October 2, 2026).

• Kaiser Foundation Health Plan of Washington1,526 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Port Orchard

Clinicians with the same Medicare primary specialty in Port Orchard, WA — not a recommendation.

• Sana Rehman, MD
• Ayad J. Dawood, MD
• Young-Ki Paik, MD
• Regina B. Bonnevie-Rogers, MD
• Aaron T. Fang, MD
• Arunima Dutta, MD

All internal medicine doctors in Port Orchard →

Other clinicians in Kaiser Foundation Health Plan of Washington

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

• Alanna F. Louie, OD
• Ryan Yuan, MD
• Winston D. Tavee, MD
• Matthew P. Grunewald
• Joel Wackerbarth, MD
• Zoe E. Lehman, DO

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