Quick answers
- Does Rosemarie Lajara accept Medicare assignment?
- Yes. Medicare's clinician data says Rosemarie Lajara 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 Rosemarie Lajara see?
- In 2024, CMS data shows 64 Original Medicare patients and 217 services for Rosemarie Lajara. This counts Original Medicare only and measures volume, not quality.
- What is Rosemarie Lajara's NPI number?
- 1780862102. 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 Rosemarie Lajara, 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 | 64 |
|---|---|
| Services billed to Medicare | 217 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)61 services
- Blood glucose (sugar) level (82947)41 services
- Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)20 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%
- Arthritis50%
- Chronic kidney disease44%
- Ischemic heart disease34%
Practice locations
Addresses where Rosemarie Lajara is enrolled with Medicare (CMS data updated October 2, 2026).
- 1621 N Belt Line Rd A, Southern Endocrinology Associates PMesquite, TX 75149 (214) 909‑8903
Group practices
Medicare enrollment lists Rosemarie Lajara as a member of this group (CMS data updated October 2, 2026).
- Southern Endocrinology Associates7 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Mesquite
Clinicians with the same Medicare primary specialty in Mesquite, TX — not a recommendation.
Other clinicians in Southern Endocrinology Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780862102 |
| 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