Quick answers
- Does Xavier Perez Hernandez accept Medicare assignment?
- Yes. Medicare's clinician data says Xavier Perez Hernandez 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 Xavier Perez Hernandez see?
- In 2024, CMS data shows 424 Original Medicare patients and 486 services for Xavier Perez Hernandez. This counts Original Medicare only and measures volume, not quality.
- What is Xavier Perez Hernandez's NPI number?
- 1558555649. 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 Xavier Perez Hernandez, 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 | 424 |
|---|---|
| Services billed to Medicare | 486 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)382 services
- Critical care, first 30-74 minutes (99291)39 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)17 services
- Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes (99236)13 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%
- Arthritis60%
- Ischemic heart disease54%
- Chronic kidney disease51%
- Diabetes49%
Hospitals where Xavier Perez Hernandez works
Medicare's Facility Affiliation Data lists Xavier Perez Hernandez 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.
- CJW Medical CenterRichmond, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490112
- Mary Washington HospitalFredericksburg, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490022
- Spotsylvania Regional Medical CenterFredericksburg, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490141
Practice locations
Addresses where Xavier Perez Hernandez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1401 Johnston Willis DrNorth Chesterfield, VA 23235 (804) 483‑5000
- 4600 Spotsylvania PkwyFredericksburg, VA 22408 (540) 498‑4000
- 7101 Jahnke RdRichmond, VA 23225 (804) 320‑3911
Group practices
Medicare enrollment lists Xavier Perez Hernandez as a member of these groups (CMS data updated October 2, 2026).
- Southeastern Intensivist Services PC232 clinicians in the group
- Hospital Medicine Services of VA LLC19 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in North Chesterfield
Clinicians with the same Medicare primary specialty in North Chesterfield, VA — not a recommendation.
Other clinicians in Southeastern Intensivist Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558555649 |
| 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