Quick answers
- Does Sean Denny accept Medicare assignment?
- Yes. Medicare's clinician data says Sean Denny 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 Sean Denny see?
- In 2024, CMS data shows 303 Original Medicare patients and 502 services for Sean Denny. This counts Original Medicare only and measures volume, not quality.
- What is Sean Denny's NPI number?
- 1477116051. 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 Sean Denny, 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 | 303 |
|---|---|
| Services billed to Medicare | 502 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)247 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)173 services
- Critical care, first 30-74 minutes (99291)53 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%
- Arthritis51%
- Diabetes50%
- Chronic kidney disease50%
- Ischemic heart disease43%
Hospitals where Sean Denny works
Medicare's Facility Affiliation Data lists Sean Denny 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.
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050353
Practice locations
Addresses where Sean Denny is enrolled with Medicare (CMS data updated October 2, 2026).
- 4101 Torrance BlvdTorrance, CA 90503 (310) 540‑7676
Group practices
Medicare enrollment lists Sean Denny as a member of this group (CMS data updated October 2, 2026).
- Emergency Specialist Physicians Medical Associates, Inc42 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Torrance
Clinicians with the same Medicare primary specialty in Torrance, CA — not a recommendation.
Other clinicians in Emergency Specialist Physicians Medical Associates, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477116051 |
| 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