Quick answers
- Does Ernest Hayward Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Ernest Hayward Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Ernest Hayward Jr. see?
- In 2024, CMS data shows 112 Original Medicare patients and 119 services for Ernest Hayward Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Ernest Hayward Jr.'s NPI number?
- 1659394401. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ernest Hayward 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.
| Original Medicare patients | 112 |
|---|---|
| Services billed to Medicare | 119 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
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%
- Diabetes34%
- Chronic kidney disease30%
- Atrial fibrillation30%
Hospitals where Ernest Hayward Jr. works
Medicare's Facility Affiliation Data lists Ernest Hayward 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.
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603
Practice locations
Addresses where Ernest Hayward Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 24451 Health Ctr DrLaguna Hills, CA 92653 (949) 837‑4500
Group practices
Medicare enrollment lists Ernest Hayward Jr. as a member of this group (CMS data updated October 2, 2026).
- Cep America - Anesthesia PC849 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Laguna Hills
Clinicians with the same Medicare primary specialty in Laguna Hills, CA — not a recommendation.
Other clinicians in Cep America - Anesthesia PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659394401 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians