Quick answers
- Does Amber D. Holloman accept Medicare assignment?
- Yes. Medicare's clinician data says Amber D. Holloman 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 Amber D. Holloman see?
- In 2024, CMS data shows 278 Original Medicare patients and 283 services for Amber D. Holloman. This counts Original Medicare only and measures volume, not quality.
- What is Amber D. Holloman's NPI number?
- 1780274415. 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 Amber D. Holloman, 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 | 278 |
|---|---|
| Services billed to Medicare | 283 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)84 services
- Anesthesia for lens surgery (00142)83 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)46 services
- Anesthesia for exam of colon using an endoscope (00812)23 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 cholesterol75%
- High blood pressure67%
- Arthritis56%
- Ischemic heart disease24%
- Diabetes20%
- Anxiety19%
Practice locations
Addresses where Amber D. Holloman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1860 Town Ctr Dr, Suite G100Reston, VA 20190 (703) 471‑0919
- 400 W 7th StFrederick, MD 21701 (240) 566‑3300
Group practices
Medicare enrollment lists Amber D. Holloman as a member of these groups (CMS data updated October 2, 2026).
- Anesthesia Company LLC378 clinicians in the group
- Outpatient Anesthesia Services of Reston, Ltd32 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Virginia →
Other nurse anesthetists in Reston
Clinicians with the same Medicare primary specialty in Reston, VA — not a recommendation.
Other clinicians in Anesthesia Company LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780274415 |
| 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
- 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