Quick answers
- Does Andrea S. Marquez accept Medicare assignment?
- Medicare's clinician data says Andrea S. Marquez may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Andrea S. Marquez see?
- In 2024, CMS data shows 74 Original Medicare patients and 80 services for Andrea S. Marquez. This counts Original Medicare only and measures volume, not quality.
- What is Andrea S. Marquez's NPI number?
- 1407566748. 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 Andrea S. Marquez, 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 | 74 |
|---|---|
| Services billed to Medicare | 80 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for lens surgery (00142)26 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%
- Arthritis55%
- Diabetes54%
- Ischemic heart disease31%
- Chronic kidney disease27%
Hospitals where Andrea S. Marquez works
Medicare's Facility Affiliation Data lists Andrea S. Marquez 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.
- Arrowhead Regional Medical CenterColton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050245
Practice locations
Addresses where Andrea S. Marquez is enrolled with Medicare (CMS data updated October 2, 2026).
- 16030 Kamana RdApple Valley, CA 92307 (760) 946‑0618
- 1900 E Washington StColton, CA 92324 (909) 825‑3425
- 400 N Pepper AveColton, CA 92324 (909) 580‑2440
- 455 S Main StOrange, CA 92868 (714) 532‑8406
Group practices
Medicare enrollment lists Andrea S. Marquez as a member of these groups (CMS data updated October 2, 2026).
- Allied Anesthesia Medical Group Inc191 clinicians in the group
- Inland Empire Anesthesia Medical Group, Inc37 clinicians in the group
- Raelle Anesthesia Inc15 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), California →
Other nurse anesthetists in Apple Valley
Clinicians with the same Medicare primary specialty in Apple Valley, CA — not a recommendation.
Other clinicians in Allied Anesthesia Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1407566748 |
| 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