Quick answers
- Does Zachary Fisher accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Fisher 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 Zachary Fisher see?
- In 2024, CMS data shows 239 Original Medicare patients and 3,615 services for Zachary Fisher. This counts Original Medicare only and measures volume, not quality.
- What is Zachary Fisher's NPI number?
- 1235105073. 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 Zachary Fisher, 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 | 239 |
|---|---|
| Services billed to Medicare | 3,615 |
| Different services or procedures | 74 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,060 services
- X-ray of chest, 2 views (71046)57 services
- Ct scan head or brain without contrast (70450)15 services
- Ct scan of abdomen and pelvis with contrast (74177)13 services
- X-ray of knee, 4 or more views (73564)12 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 pressure72%
- High cholesterol44%
- Diabetes41%
- Arthritis38%
- Chronic kidney disease29%
- Heart failure21%
Practice locations
Addresses where Zachary Fisher is enrolled with Medicare (CMS data updated October 2, 2026).
- 14139 Potomac Mills RdWoodbridge, VA 22192 (703) 257‑3000
- 1701 Twin Springs RdHalethorpe, MD 21227 (410) 737‑5000
- 700 2nd St NEWashington, DC 20002 (202) 346‑3000
- 7190 Crestwood BlvdFrederick, MD 21703 (240) 529‑1700
Group practices
Medicare enrollment lists Zachary Fisher as a member of this group (CMS data updated October 2, 2026).
- Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Woodbridge
Clinicians with the same Medicare primary specialty in Woodbridge, VA — not a recommendation.
Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Uniformed Services Uhs Fe Hebert School Of Med |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235105073 |
| 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