Quick answers
- Does Cayla B. Hennessey accept Medicare assignment?
- Yes. Medicare's clinician data says Cayla B. Hennessey 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 Cayla B. Hennessey see?
- In 2024, CMS data shows 30 Original Medicare patients and 32 services for Cayla B. Hennessey. This counts Original Medicare only and measures volume, not quality.
- What is Cayla B. Hennessey's NPI number?
- 1215647631. 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 Cayla B. Hennessey, 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 | 30 |
|---|---|
| Services billed to Medicare | 32 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)17 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 cholesterol73%
- High blood pressure70%
- Arthritis63%
- Anxiety37%
- Chronic kidney disease37%
Hospitals where Cayla B. Hennessey works
Medicare's Facility Affiliation Data lists Cayla B. Hennessey 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.
- MUSC Health Florence Medical CenterFlorence, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420091
- MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004
Practice locations
Addresses where Cayla B. Hennessey is enrolled with Medicare (CMS data updated October 2, 2026).
- 3000 Saint Matthews RdOrangeburg, SC 29118 (803) 395‑3400
- 9330 Medical Plaza DrCharleston, SC 29406 (843) 797‑7000
Group practices
Medicare enrollment lists Cayla B. Hennessey as a member of these groups (CMS data updated October 2, 2026).
- MUSC Community Physicians1,544 clinicians in the group
- Acs Primary Care Physicians - Southeast PC420 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Orangeburg
Clinicians with the same Medicare primary specialty in Orangeburg, SC — not a recommendation.
Other clinicians in MUSC Community Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215647631 |
| 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