Quick answers
- Does James T. Heywood accept Medicare assignment?
- Yes. Medicare's clinician data says James T. Heywood 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 James T. Heywood see?
- In 2024, CMS data shows 2,358 Original Medicare patients and 4,977 services for James T. Heywood. This counts Original Medicare only and measures volume, not quality.
- What is James T. Heywood's NPI number?
- 1285612457. 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 James T. Heywood, 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 | 2,358 |
|---|---|
| Services billed to Medicare | 4,977 |
| Different services or procedures | 61 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)917 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)678 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)542 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)483 services
- Heart muscle strain imaging (93356)397 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%
- Arthritis48%
- Ischemic heart disease45%
- Heart failure40%
- Atrial fibrillation38%
Hospitals where James T. Heywood works
Medicare's Facility Affiliation Data lists James T. Heywood 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.
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
- Scripps Green HospitalLa Jolla, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050424
- Scripps Memorial Hospital La JollaLa Jolla, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050324
Practice locations
Addresses where James T. Heywood is enrolled with Medicare (CMS data updated October 2, 2026).
- 9898 Genesee AveLa Jolla, CA 92037 (858) 455‑9100
Group practices
Medicare enrollment lists James T. Heywood as a member of this group (CMS data updated October 2, 2026).
- Scripps Health1,433 clinicians in the group
Specialties
- Advanced Heart Failure and Transplant Cardiologyprimary
- Cardiovascular Disease (Cardiology)also
- Internal Medicinealso
Find other Advanced Heart Failure and Transplant Cardiology doctors in California →
Other heart failure and transplant cardiologists in La Jolla
Clinicians with the same Medicare primary specialty in La Jolla, CA — not a recommendation.
All heart failure and transplant cardiologists in La Jolla →
Other clinicians in Scripps Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285612457 |
| 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