Quick answers
- Does Mona Lisa Ruiz accept Medicare assignment?
- Yes. Medicare's clinician data says Mona Lisa Ruiz 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 Mona Lisa Ruiz see?
- In 2024, CMS data shows 165 Original Medicare patients and 543 services for Mona Lisa Ruiz. This counts Original Medicare only and measures volume, not quality.
- What is Mona Lisa Ruiz's NPI number?
- 1720744162. 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 Mona Lisa Ruiz, 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 | 165 |
|---|---|
| Services billed to Medicare | 543 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)281 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)116 services
- Emergency department visit with moderate level of medical decision making (99284)45 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)36 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)27 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%
- Arthritis71%
- Ischemic heart disease51%
- Chronic kidney disease50%
Hospitals where Mona Lisa Ruiz works
Medicare's Facility Affiliation Data lists Mona Lisa Ruiz 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.
- Imperial Valley Health - El Centro HospitalEl Centro, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050045
- Pioneers Memorial Healthcare DistrictBrawley, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050342
Practice locations
Addresses where Mona Lisa Ruiz is enrolled with Medicare (CMS data updated October 2, 2026).
- 1415 Ross AveEl Centro, CA 92243 (858) 759‑4765
- 1809 National AveSan Diego, CA 92113 (619) 515‑2300
- 2401 Damian StImperial, CA 92251 (818) 272‑8260
Group practices
Medicare enrollment lists Mona Lisa Ruiz as a member of these groups (CMS data updated October 2, 2026).
- Family Health Centers of San Diego Inc311 clinicians in the group
- Onclick Healthcare Incorporated59 clinicians in the group
- Regents of the University of California45 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in El Centro
Clinicians with the same Medicare primary specialty in El Centro, CA — not a recommendation.
Other clinicians in Family Health Centers of San Diego Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720744162 |
| 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