Quick answers
- Does Richard J. Pfeiffer accept Medicare assignment?
- Yes. Medicare's clinician data says Richard J. Pfeiffer 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 Richard J. Pfeiffer see?
- In 2024, CMS data shows 485 Original Medicare patients and 967 services for Richard J. Pfeiffer. This counts Original Medicare only and measures volume, not quality.
- What is Richard J. Pfeiffer's NPI number?
- 1538169990. 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 Richard J. Pfeiffer, 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 | 485 |
|---|---|
| Services billed to Medicare | 967 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)198 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)103 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)100 services
- Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)66 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)49 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 cholesterol74%
- High blood pressure66%
- Arthritis55%
- Anxiety29%
- Diabetes26%
- Depression26%
Practice locations
Addresses where Richard J. Pfeiffer is enrolled with Medicare (CMS data updated October 2, 2026).
- 2205 Vista WayOceanside, CA 92054
- 9888 Genesee AveLa Jolla, CA 92037 (858) 626‑4123
- 9896 Genesee AveLa Jolla, CA 92037 (858) 626‑4123
- 9898 Genesee AveLa Jolla, CA 92037 (858) 455‑9100
Group practices
Medicare enrollment lists Richard J. Pfeiffer as a member of this group (CMS data updated October 2, 2026).
- Scripps Health1,433 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, CA — not a recommendation.
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 Pittsburgh School Of Medicine |
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538169990 |
| 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
- 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