Quick answers
- Does Neil Gambill accept Medicare assignment?
- Yes. Medicare's clinician data says Neil Gambill 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 Neil Gambill see?
- In 2024, CMS data shows 4,987 Original Medicare patients and 104,596 services for Neil Gambill. This counts Original Medicare only and measures volume, not quality.
- What is Neil Gambill's NPI number?
- 1609950534. 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 Neil Gambill, 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 | 4,987 |
|---|---|
| Services billed to Medicare | 104,596 |
| Different services or procedures | 115 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)69,975 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)26,255 services
- X-ray of chest, 2 views (71046)734 services
- Low dose ct scan of chest for lung cancer screening (71271)685 services
- Ct scan of chest without contrast (71250)592 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%
- Arthritis54%
- Diabetes34%
- Ischemic heart disease28%
- Anxiety22%
Practice locations
Addresses where Neil Gambill is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 10215 Fernwood Rd, Suite 620Bethesda, MD 20817 (888) 601‑0943
- 1080 Brook Valley LnMc Lean, VA 22102 (302) 737‑5990
- 10901 S Glen RdPotomac, MD 20854 (202) 209‑3796
- 130 Hospital Rd, Suite Ll100Prince Frederick, MD 20678 (410) 535‑4111
- 1562 Opossumtown PikeFrederick, MD 21702 (888) 601‑0943
Group practices
Medicare enrollment lists Neil Gambill as a member of these groups (CMS data updated October 2, 2026).
- Maryland Imaging Network PC81 clinicians in the group
- Community Radiology Associates Inc65 clinicians in the group
- Delaware Radiology Associates PA65 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Bethesda
Clinicians with the same Medicare primary specialty in Bethesda, MD — not a recommendation.
Other clinicians in Maryland Imaging Network PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609950534 |
| 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