Quick answers
- Does William Sherman Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William Sherman Jr. 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 William Sherman Jr. see?
- In 2024, CMS data shows 453 Original Medicare patients and 517 services for William Sherman Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William Sherman Jr.'s NPI number?
- 1841354297. 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 William Sherman Jr., 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 | 453 |
|---|---|
| Services billed to Medicare | 517 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ct scan of chest without contrast (71250)54 services
- Mri scan of lower spinal canal without contrast (72148)47 services
- Mri scan of leg joint without contrast (73721)38 services
- Ct scan of abdomen and pelvis with contrast (74177)34 services
- Mri scan of arm joint without contrast (73221)33 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 pressure68%
- Arthritis57%
- Anxiety29%
- Depression26%
- Chronic kidney disease23%
Practice locations
Addresses where William Sherman Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 6 Tsienneto RdDerry, NH 03038 (603) 883‑4636
Group practices
Medicare enrollment lists William Sherman Jr. as a member of this group (CMS data updated October 2, 2026).
- Associated Radiologist, PA7 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Derry
Clinicians with the same Medicare primary specialty in Derry, NH — not a recommendation.
Other clinicians in Associated Radiologist, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| 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) | 1841354297 |
| 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