Quick answers
- Does Norman D. Owashi accept Medicare assignment?
- Yes. Medicare's clinician data says Norman D. Owashi 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 Norman D. Owashi see?
- In 2024, CMS data shows 315 Original Medicare patients and 522 services for Norman D. Owashi. This counts Original Medicare only and measures volume, not quality.
- What is Norman D. Owashi's NPI number?
- 1871547554. 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 Norman D. Owashi, 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 | 315 |
|---|---|
| Services billed to Medicare | 522 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)187 services
- Emergency department visit with high level of medical decision making (99285)168 services
- Emergency department visit with moderate level of medical decision making (99284)66 services
- Critical care, first 30-74 minutes (99291)34 services
- Emergent insertion of breathing tube into windpipe using an endoscope (31500)13 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%
- Diabetes58%
- Arthritis56%
- Chronic kidney disease51%
- Heart failure47%
Hospitals where Norman D. Owashi works
Medicare's Facility Affiliation Data lists Norman D. Owashi 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.
- Emanate Health Foothill Presbyterian HospitalGlendora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050597
- Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050382
Practice locations
Addresses where Norman D. Owashi is enrolled with Medicare (CMS data updated October 2, 2026).
- 250 S Grand AveGlendora, CA 91741 (626) 963‑8411
Group practices
Medicare enrollment lists Norman D. Owashi as a member of this group (CMS data updated October 2, 2026).
- Cep America - California1,292 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Glendora
Clinicians with the same Medicare primary specialty in Glendora, CA — not a recommendation.
Other clinicians in Cep America - California
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) |
| NPI (National Provider Identifier) | 1871547554 |
| 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