Quick answers
- Does Carla Perez-Colon accept Medicare assignment?
- Yes. Medicare's clinician data says Carla Perez-Colon 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 Carla Perez-Colon see?
- In 2024, CMS data shows 125 Original Medicare patients and 127 services for Carla Perez-Colon. This counts Original Medicare only and measures volume, not quality.
- What is Carla Perez-Colon's NPI number?
- 1538540943. 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 Carla Perez-Colon, 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 | 125 |
|---|---|
| Services billed to Medicare | 127 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on upper abdomen (00790)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%
- Arthritis63%
- Diabetes46%
- Ischemic heart disease44%
- Anxiety38%
Hospitals where Carla Perez-Colon works
Medicare's Facility Affiliation Data lists Carla Perez-Colon 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.
- Winchester Medical CenterWinchester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490005
Practice locations
Addresses where Carla Perez-Colon is enrolled with Medicare (CMS data updated October 2, 2026).
- 1110 Professional CtHagerstown, MD 21740 (240) 420‑5559
- 1840 Amherst StWinchester, VA 22601 (540) 536‑8000
- 7115 Guilford Dr, Suite 201Frederick, MD 21704 (301) 695‑6800
Group practices
Medicare enrollment lists Carla Perez-Colon as a member of these groups (CMS data updated October 2, 2026).
- Valley Health Anesthesia Services, LLC125 clinicians in the group
- North American Partners in Anesthesia Maryland LLC44 clinicians in the group
- Western Maryland Anesthesia Associates, LLC13 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Maryland →
Other nurse anesthetists in Hagerstown
Clinicians with the same Medicare primary specialty in Hagerstown, MD — not a recommendation.
Other clinicians in Valley Health Anesthesia Services, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538540943 |
| 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