Quick answers
- Does Martha Lewis-Sandari accept Medicare assignment?
- Yes. Medicare's clinician data says Martha Lewis-Sandari 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 Martha Lewis-Sandari see?
- In 2024, CMS data shows 166 Original Medicare patients and 293 services for Martha Lewis-Sandari. This counts Original Medicare only and measures volume, not quality.
- What is Martha Lewis-Sandari's NPI number?
- 1295201713. 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 Martha Lewis-Sandari, 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 | 166 |
|---|---|
| Services billed to Medicare | 293 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)109 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)69 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)30 services
- New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)21 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%
- Arthritis56%
- Diabetes51%
- Ischemic heart disease30%
- Anxiety30%
Practice locations
Addresses where Martha Lewis-Sandari is enrolled with Medicare (CMS data updated October 2, 2026).
- 409 Knickerbocker Ave, Apt 2Brooklyn, NY 11237 (212) 729‑9263
- 409 Knickerbocker Ave Apt, Suite 2Brooklyn, NY 11237
- 464 Bay Ridge Ave, Suite ABrooklyn, NY 11220 (718) 680‑6006
Group practices
Medicare enrollment lists Martha Lewis-Sandari as a member of these groups (CMS data updated October 2, 2026).
- RJ Medical and Urgent Care PLLC5 clinicians in the group
- Balance Choice Care2 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Other clinicians in RJ Medical and Urgent Care PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295201713 |
| 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