Jsj Medical Group PC in Brooklyn, NY
This organization bills under NPI 1275785461, an organization record issued on Oct 21, 2008 with the primary taxonomy Internal Medicine Physician. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1275785461
- Legal name
- Jsj Medical Group PC
- Entity
- Type 2 · organization
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 1509 ROCKAWAY PARKWAY, Brooklyn, NY 11236
- Phone
- 718-927-0027
- Enumerated
- Oct 21, 2008
- Record updated
- Oct 21, 2008
- Authorized official
- Owner (title as filed)
2 clinicians CMS lists with Jsj Medical Group in Brooklyn
- Mark Joseph, MDAdult Medicine Physician1053479816
- Keisha Sinha, MDAdult Medicine Physician1538227392
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the New York secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.