Quick answers
- Does Charmaine O. Severo-Guevarra accept Medicare assignment?
- Yes. Medicare's clinician data says Charmaine O. Severo-Guevarra 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 Charmaine O. Severo-Guevarra see?
- In 2024, CMS data shows 121 Original Medicare patients and 143 services for Charmaine O. Severo-Guevarra. This counts Original Medicare only and measures volume, not quality.
- What is Charmaine O. Severo-Guevarra's NPI number?
- 1780252270. 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 Charmaine O. Severo-Guevarra, 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 | 121 |
|---|---|
| Services billed to Medicare | 143 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 63 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)117 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)25 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%
- Diabetes75%
- Chronic kidney disease75%
- Heart failure68%
- Ischemic heart disease59%
Practice locations
Addresses where Charmaine O. Severo-Guevarra is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Continental Blvd, Suite 635El Segundo, CA 90245 (310) 658‑3775
Group practices
Medicare enrollment lists Charmaine O. Severo-Guevarra as a member of this group (CMS data updated October 2, 2026).
- Greater Good Health PC Inc53 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in El Segundo
Clinicians with the same Medicare primary specialty in El Segundo, CA — not a recommendation.
Other clinicians in Greater Good Health PC Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780252270 |
| 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