Quick answers
- Does Elise O. Caceres Mason accept Medicare assignment?
- Yes. Medicare's clinician data says Elise O. Caceres Mason 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 Elise O. Caceres Mason see?
- In 2024, CMS data shows 90 Original Medicare patients and 421 services for Elise O. Caceres Mason. This counts Original Medicare only and measures volume, not quality.
- What is Elise O. Caceres Mason's NPI number?
- 1851781025. 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 Elise O. Caceres Mason, 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 | 90 |
|---|---|
| Services billed to Medicare | 421 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)65 services
- Replacement of knee joint, both sides of knee (27447)56 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)24 services
- Aspiration and/or injection of fluid from large joint (20610)18 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%
- Diabetes24%
- Ischemic heart disease22%
- Anxiety18%
Hospitals where Elise O. Caceres Mason works
Medicare's Facility Affiliation Data lists Elise O. Caceres Mason 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.
- Rex HospitalRaleigh, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340114
Practice locations
Addresses where Elise O. Caceres Mason is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Lattner CtMorrisville, NC 27560
- 101 SW Cary Pkwy, Suite 10Cary, NC 27511 (919) 467‑7678
- 1120 SE Cary PkwyCary, NC 27518
Group practices
Medicare enrollment lists Elise O. Caceres Mason as a member of these groups (CMS data updated October 2, 2026).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- UNC Physicians Group Practices II LLC60 clinicians in the group
Specialties
- Physician Assistantprimary
Find other clinicians: Physician Assistant, North Carolina →
Other physician assistants in Morrisville
Clinicians with the same Medicare primary specialty in Morrisville, NC — not a recommendation.
Other clinicians in Select Physical Therapy Holdings Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851781025 |
| 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