ALEXANDER PERKELVALD MD PC
NPI 1124223110
Internal Medicine - Endocrinology, Diabetes & Metabolism in Brooklyn, NY
About Alexander Perkelvald Md Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER PERKELVALD MD PC (NPI 1124223110) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Brooklyn, New York and active in the NPI registry since June 2007. The organization lists Alexander Perkelvald, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Alexander Perkelvald Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Alexander Perkelvald MD PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Alexander Perkelvald MD PC's NPI number?
The NPI number for Alexander Perkelvald MD PC is 1124223110. It was assigned to this organization in the NPPES registry on June 19, 2007.
Where is Alexander Perkelvald MD PC located?
Alexander Perkelvald MD PC is located at 2320 Avenue U, Brooklyn, NY 11229. The listed phone number is (718) 368-3333.
What is Alexander Perkelvald MD PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Alexander Perkelvald MD PC enrolled in Medicare?
Yes. Alexander Perkelvald MD PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Alexander Perkelvald MD PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Alexander Perkelvald MD PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Alexander Perkelvald MD PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Alexander Perkelvald Md Pc · NPI 1124223110
Endocrinology, Diabetes & Metabolism organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since June 19, 2007.
## Identity
- **NPI:** 1124223110 (Entity type: Organization)
- **Enumerated:** June 19, 2007
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **Organization subpart:** No
- **Authorized official:** Alexander Perkelvald, PRESIDENT
## Practice location
- **Address:** 2320 AVENUE U, Brooklyn, NY 11229-4917
- **Phone:** (718) 368-3333
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Endocrinology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1124223110) · Data from the CMS NPPES public registry.