Quick answers
- Does Cayce L. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Cayce L. Martin 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 Cayce L. Martin see?
- In 2024, CMS data shows 60 Original Medicare patients and 127 services for Cayce L. Martin. This counts Original Medicare only and measures volume, not quality.
- What is Cayce L. Martin's NPI number?
- 1538842141. 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 Cayce L. Martin, 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 | 60 |
|---|---|
| Services billed to Medicare | 127 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Critical care, first 30-74 minutes (99291)99 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%
- Heart failure63%
- Diabetes60%
- Ischemic heart disease55%
- Chronic kidney disease50%
Hospitals where Cayce L. Martin works
Medicare's Facility Affiliation Data lists Cayce L. Martin 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.
- Berkeley Medical CenterMartinsburg, WV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 510008
- Jefferson Medical CenterRanson, WV · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 511319
- Potomac Valley HospitalKeyser, WV · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 511315
Practice locations
Addresses where Cayce L. Martin is enrolled with Medicare (CMS data updated October 2, 2026).
- 2500 Hospital DrMartinsburg, WV 25401 (304) 260‑1443
Group practices
Medicare enrollment lists Cayce L. Martin as a member of this group (CMS data updated October 2, 2026).
- City Hospital Inc161 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Martinsburg
Clinicians with the same Medicare primary specialty in Martinsburg, WV — not a recommendation.
Other clinicians in City Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538842141 |
| 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