ELENA KATZ MD
NPI 1902047947
Internal Medicine - Hematology in Rego Park, NY
About Elena Katz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELENA KATZ MD (NPI 1902047947) is an individual hematology provider in Rego Park, New York, licensed in New York (265150) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of State University Of New York Downstate Medical Center (2009).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Elena Katz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Elena Katz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Hyde Park, NY 11042
- Reassigned Medicare billing, New York enrollment
- 198 clinicians in this Medicare group
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 636 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 2,450 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11374 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Elena Katz's NPI number?
The NPI number for Elena Katz is 1902047947. It was assigned to this individual provider in the NPPES registry on March 22, 2009.
Where is Elena Katz located?
Elena Katz practices at 9785 Queens Blvd, Rego Park, NY 11374. The listed phone number is (718) 261-9100.
What is Elena Katz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Elena Katz enrolled in Medicare?
Yes. Elena Katz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Elena Katz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elena Katz reassigns Medicare benefits to 3 organizations: North Shore Health System Medical Faculty Group Practice Inc (New Hyde Park, NY), North Shore Hematology Oncology Associates PC (Port Jefferson Station, NY) and New York University (Boynton Beach, FL). Each 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 Elena Katz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Elena Katz affiliated with any hospitals?
According to CMS data, Elena Katz is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Elena Katz was last updated on April 5, 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.
# Elena Katz, MD · NPI 1902047947
Hematology physician in Rego Park, New York. Individual provider, active in the CMS NPPES registry since March 22, 2009.
## Identity
- **NPI:** 1902047947 (Entity type: Individual)
- **Enumerated:** March 22, 2009
- **Primary specialty:** Internal Medicine - Hematology · taxonomy 207RH0000X
- **State license:** 265150 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 9785 QUEENS BLVD, Rego Park, NY 11374-3319
- **Phone:** (718) 261-9100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): North Shore Health System Medical Faculty Group Practice Inc (NPI 1003409061, New Hyde Park, NY); North Shore Hematology Oncology Associates PC (NPI 1396794574, Port Jefferson Station, NY); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 2009
## Record status
- **NPPES last updated:** April 5, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1902047947) · Data from the CMS NPPES public registry.