Quick answers
- Does Samantha K. Willoughby accept Medicare assignment?
- Yes. Medicare's clinician data says Samantha K. Willoughby 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 Samantha K. Willoughby see?
- In 2024, CMS data shows 260 Original Medicare patients and 970 services for Samantha K. Willoughby. This counts Original Medicare only and measures volume, not quality.
- What is Samantha K. Willoughby's NPI number?
- 1194452417. 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 Samantha K. Willoughby, 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 | 260 |
|---|---|
| Services billed to Medicare | 970 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Removal of skin and tissue, 20.0 sq cm or less (11042)273 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)78 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)68 services
- Noncontact near-infrared spectroscopy with image acquisition, interpretation and report, first anatomic site (0640T)61 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)58 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%
- Diabetes71%
- Chronic kidney disease60%
- Ischemic heart disease59%
- Arthritis56%
Hospitals where Samantha K. Willoughby works
Medicare's Facility Affiliation Data lists Samantha K. Willoughby 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.
- CHRISTUS Santa Rosa Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450237
Practice locations
Addresses where Samantha K. Willoughby is enrolled with Medicare (CMS data updated October 2, 2026).
- 11212 State Hwy 151, Suite 300San Antonio, TX 78251 (210) 703‑8454
- 2833 Babcock Rd, Suite 105San Antonio, TX 78229 (210) 705‑5030
Group practices
Medicare enrollment lists Samantha K. Willoughby as a member of this group (CMS data updated October 2, 2026).
- Physicians Unity62 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Physicians Unity
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194452417 |
| 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