MAJOR MEDICINE, PC
NPI 1962643304
Specialist in Brooklyn, NY
About Major Medicine, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAJOR MEDICINE, PC (NPI 1962643304) is a healthcare organization registered as a specialist in Brooklyn, New York and active in the NPI registry since March 2009. The organization lists Jay E. Weissbluth, Medical Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Major Medicine, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Major Medicine, PC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
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 Major Medicine, PC's NPI number?
The NPI number for Major Medicine, PC is 1962643304. It was assigned to this organization in the NPPES registry on March 16, 2009.
Where is Major Medicine, PC located?
Major Medicine, PC is located at 3019 Avenue U, Brooklyn, NY 11229. The listed phone number is (718) 934-1800.
What is Major Medicine, PC's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Major Medicine, PC enrolled in Medicare?
Yes. Major Medicine, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Major Medicine, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Major Medicine, PC, in Gastroenterology and Pathology. 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Major Medicine, PC was last updated on March 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.
# Major Medicine, Pc · NPI 1962643304
Specialist organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since March 16, 2009.
## Identity
- **NPI:** 1962643304 (Entity type: Organization)
- **Enumerated:** March 16, 2009
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Jay Weissbluth, MEDICAL DIRECTOR
## Practice location
- **Address:** 3019 AVENUE U, Brooklyn, NY 11229-5111
- **Phone:** (718) 934-1800 · **Fax:** (718) 891-5208
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Pathology (2), Gastroenterology (1); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 16, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1962643304) · Data from the CMS NPPES public registry.