37 MAIN STREET MEDICAL CARE PC
NPI 1366208639
Internal Medicine in Merrick, NY
About 37 Main Street Medical Care Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
37 MAIN STREET MEDICAL CARE PC (NPI 1366208639), doing business as Mainstreet Med, is a healthcare organization registered as an internal medicine in Merrick, New York and active in the NPI registry since February 2024. The organization maintains a secondary practice location in Richmond Hill and lists Kamran Siddiqui, Chief Executive Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 7
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
37 Main Street Medical Care Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to 37 Main Street Medical Care PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is 37 Main Street Medical Care PC's NPI number?
The NPI number for 37 Main Street Medical Care PC is 1366208639. It was assigned to this organization in the NPPES registry on February 26, 2024. The provider is doing business as MainStreet Med.
Where is 37 Main Street Medical Care PC located?
37 Main Street Medical Care PC is located at 2094 Merrick Ave, Merrick, NY 11566. The listed phone number is (516) 600-0676.
What is 37 Main Street Medical Care PC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is 37 Main Street Medical Care PC enrolled in Medicare?
Yes. 37 Main Street Medical Care PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through 37 Main Street Medical Care PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to 37 Main Street Medical Care PC, in Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for 37 Main Street Medical Care PC was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# 37 Main Street Medical Care Pc · NPI 1366208639
Internal Medicine organization in Merrick, New York. Organization record, active in the CMS NPPES registry since February 26, 2024.
## Identity
- **NPI:** 1366208639 (Entity type: Organization)
- **Enumerated:** February 26, 2024
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Also known as:** MainStreet Med (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Kamran Siddiqui, CHIEF EXECUTIVE OFFICER
## Practice location
- **Address:** 2094 MERRICK AVE, Merrick, NY 11566-3147
- **Phone:** (516) 600-0676 · **Fax:** (516) 863-2963
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 19, 2025
- **Other identifiers:** Medicaid 02473412 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1366208639) · Data from the CMS NPPES public registry.