Quick answers
- Does Louisa Adrienne L. Alejo accept Medicare assignment?
- Yes. Medicare's clinician data says Louisa Adrienne L. Alejo 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 Louisa Adrienne L. Alejo see?
- In 2024, CMS data shows 88 Original Medicare patients and 3,146 services for Louisa Adrienne L. Alejo. This counts Original Medicare only and measures volume, not quality.
- What is Louisa Adrienne L. Alejo's NPI number?
- 1184311987. 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 Louisa Adrienne L. Alejo, 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 | 88 |
|---|---|
| Services billed to Medicare | 3,146 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Acupuncture with electrical stimulation, each additional 15 minutes (97814)822 services
- Acupuncture with electrical stimulation, initial 15 minutes (97813)411 services
- Injection of trigger points, 3 or more muscles (20553)155 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)105 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)46 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 cholesterol75%
- Arthritis75%
- High blood pressure74%
- Diabetes33%
- Chronic kidney disease26%
- Ischemic heart disease24%
Practice locations
Addresses where Louisa Adrienne L. Alejo is enrolled with Medicare (CMS data updated October 2, 2026).
- 2029 W Orangewood Ave, Suite AOrange, CA 92868 (714) 921‑1546
- 5455 Garden Grove Blvd, Suite 100Westminster, CA 92683 (866) 303‑9355
Group practices
Medicare enrollment lists Louisa Adrienne L. Alejo as a member of these groups (CMS data updated October 2, 2026).
- Advanced Joint and Spine Medical Center Inc10 clinicians in the group
- Superior Joint and Spine Medical Center Inc8 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Other clinicians in Advanced Joint and Spine Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184311987 |
| 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