AZRIEL HIRSCHFELD MD PLLC
NPI 1154936029
Internal Medicine - Hematology & Oncology in Brooklyn, NY
About Azriel Hirschfeld Md Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AZRIEL HIRSCHFELD MD PLLC (NPI 1154936029) is a healthcare organization registered as a hematology & oncology in Brooklyn, New York and active in the NPI registry since September 2020. The organization lists Azriel Hirschfeld, Owner, 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)
Azriel Hirschfeld Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Azriel Hirschfeld MD PLLC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (12)
Newark, NJ 07114
Carolina, PR 00987
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 Azriel Hirschfeld MD PLLC's NPI number?
The NPI number for Azriel Hirschfeld MD PLLC is 1154936029. It was assigned to this organization in the NPPES registry on September 8, 2020.
Where is Azriel Hirschfeld MD PLLC located?
Azriel Hirschfeld MD PLLC is located at 4303 14th Ave, Brooklyn, NY 11219. The listed phone number is (917) 686-3953.
What is Azriel Hirschfeld MD PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Azriel Hirschfeld MD PLLC enrolled in Medicare?
Yes. Azriel Hirschfeld MD PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Azriel Hirschfeld MD PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 3 Medicare specialties reassign their Medicare billing to Azriel Hirschfeld MD PLLC. 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. The largest specialties are Registered Dietitian or Nutrition Professional (9), Nurse Practitioner (2) and Hematology/Oncology (1). Of these, 3 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 Azriel Hirschfeld MD PLLC was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Azriel Hirschfeld Md Pllc · NPI 1154936029
Hematology & Oncology organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since September 8, 2020.
## Identity
- **NPI:** 1154936029 (Entity type: Organization)
- **Enumerated:** September 8, 2020
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Azriel Hirschfeld, OWNER
## Practice location
- **Address:** 4303 14TH AVE, Brooklyn, NY 11219-1678
- **Phone:** (917) 686-3953
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Registered Dietitian or Nutrition Professional (9), Nurse Practitioner (2), Hematology/Oncology (1); 3 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 11, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1154936029) · Data from the CMS NPPES public registry.