Quick answers
- Does Scott A. Derkum accept Medicare assignment?
- Yes. Medicare's clinician data says Scott A. Derkum 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 Scott A. Derkum see?
- In 2024, CMS data shows 262 Original Medicare patients and 603 services for Scott A. Derkum. This counts Original Medicare only and measures volume, not quality.
- What is Scott A. Derkum's NPI number?
- 1588660849. 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 Scott A. Derkum, 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 | 262 |
|---|---|
| Services billed to Medicare | 603 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)401 services
- Hospital discharge day management, 30 minutes or less (99238)142 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)59 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%
- Diabetes72%
- Chronic kidney disease63%
- Heart failure57%
- Arthritis55%
Hospitals where Scott A. Derkum works
Medicare's Facility Affiliation Data lists Scott A. Derkum 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.
- PIH Health Downey HospitalDowney, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050393
Practice locations
Addresses where Scott A. Derkum is enrolled with Medicare (CMS data updated October 2, 2026).
- 12401 Washington Blvd, Suite 100Whittier, CA 90602 (562) 967‑2885
Group practices
Medicare enrollment lists Scott A. Derkum as a member of this group (CMS data updated October 2, 2026).
- PIH Health Physicians622 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Whittier
Clinicians with the same Medicare primary specialty in Whittier, CA — not a recommendation.
Other clinicians in PIH Health Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588660849 |
| 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