Quick answers
- Does Kareem B. Yostos accept Medicare assignment?
- Yes. Medicare's clinician data says Kareem B. Yostos 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 Kareem B. Yostos see?
- In 2024, CMS data shows 356 Original Medicare patients and 1,399 services for Kareem B. Yostos. This counts Original Medicare only and measures volume, not quality.
- What is Kareem B. Yostos's NPI number?
- 1568475077. 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 Kareem B. Yostos, 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 | 356 |
|---|---|
| Services billed to Medicare | 1,399 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)594 services
- Hospital discharge day management, more than 30 minutes (99239)235 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)210 services
- Critical care, first 30-74 minutes (99291)186 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)150 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%
- Arthritis58%
- Diabetes53%
- Chronic kidney disease44%
- Depression42%
Hospitals where Kareem B. Yostos works
Medicare's Facility Affiliation Data lists Kareem B. Yostos 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.
- Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050110
- Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050078
- 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
- Santa Barbara Cottage HospitalSanta Barbara, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050396
Practice locations
Addresses where Kareem B. Yostos is enrolled with Medicare (CMS data updated October 2, 2026).
- 1300 W 7th StSan Pedro, CA 90732 (310) 832‑3311
- 1515 E Ocean AveLompoc, CA 93436 (805) 737‑3300
- 4101 Torrance BlvdTorrance, CA 90503 (310) 540‑7676
Group practices
Medicare enrollment lists Kareem B. Yostos as a member of these groups (CMS data updated October 2, 2026).
- Little Company Hospitalist Medical Group Inc28 clinicians in the group
- San Pedro Hospitalist Medical Group Inc17 clinicians in the group
- Lompoc Hospitalist Group PC9 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Pedro
Clinicians with the same Medicare primary specialty in San Pedro, CA — not a recommendation.
Other clinicians in Little Company Hospitalist Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568475077 |
| 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