William B. Ensley Jr., MD

Medicare activity in 2024

Official CMS public-use data for William B. Ensley Jr., 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 50 minutes (99233)436 services
2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)219 services
3. Hospital discharge day management, more than 30 minutes (99239)160 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)123 services
5. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)92 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%
• Arthritis59%
• Ischemic heart disease44%
• Chronic kidney disease42%
• Atrial fibrillation40%

Hospitals where William B. Ensley Jr. works

Medicare's Facility Affiliation Data lists William B. Ensley Jr. 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.

• Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224

Practice locations

Addresses where William B. Ensley Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Hoag DrNewport Beach, CA 92663 (877) 742‑4624
• 16200 Sand Canyon AveIrvine, CA 92618 (877) 742‑4624

Group practices

Medicare enrollment lists William B. Ensley Jr. as a member of this group (CMS data updated October 2, 2026).

• Pacific Hospitalist Associates a Medical Corporation93 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in California →

Other hospitalists in Newport Beach

Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.

• Andrew Salama, MD
• Jessica Liao, MD
• Shawna M. Rinker, MD
• Patty Y. Huang, MD
• Jessica A. Eng, MD
• Wessam Soliman, MD
• Loreen A. Strope, MD
• Allyson A. Hoppe, MD

All hospitalists in Newport Beach →

Other clinicians in Pacific Hospitalist Associates a Medical Corporation

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

• Andrew Salama, MD
• Jessica Liao, MD
• Shawna M. Rinker, MD
• Nam U. Kim, MD
• Michael Gray, MD
• Yi Tang, 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