Quick answers
- Does Samantha G. Shankar accept Medicare assignment?
- Yes. Medicare's clinician data says Samantha G. Shankar 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 Samantha G. Shankar see?
- In 2024, CMS data shows 1,476 Original Medicare patients and 16,323 services for Samantha G. Shankar. This counts Original Medicare only and measures volume, not quality.
- What is Samantha G. Shankar's NPI number?
- 1871932301. 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 Samantha G. Shankar, 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 | 1,476 |
|---|---|
| Services billed to Medicare | 16,323 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, gadobutrol, 0.1 ml (A9585)8,463 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)6,141 services
- Mri scan of lower spinal canal without contrast (72148)254 services
- Ct scan of chest without contrast (71250)248 services
- Mri scan of brain without contrast (70551)236 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 pressure71%
- Arthritis47%
- Ischemic heart disease25%
- Anxiety25%
- Diabetes24%
Practice locations
Addresses where Samantha G. Shankar is enrolled with Medicare (CMS data updated October 2, 2026).
- 644 W Putnam AveGreenwich, CT 06830 (203) 622‑0303
- 73 Market StYonkers, NY 10710 (914) 682‑0700
Group practices
Medicare enrollment lists Samantha G. Shankar as a member of this group (CMS data updated October 2, 2026).
- Westchester Medical Group, P.C415 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Greenwich
Clinicians with the same Medicare primary specialty in Greenwich, CT — not a recommendation.
Other clinicians in Westchester Medical Group, P.C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871932301 |
| 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