CATHLEEN CLARE HEFFERNAN M.D.
NPI 1164558292
Radiology - Diagnostic Radiology in New York, NY
About Cathleen Clare Heffernan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHLEEN CLARE HEFFERNAN M.D. (NPI 1164558292) is an individual diagnostic radiology provider in New York, New York, licensed in New York (227592-1) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
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
Cathleen Clare Heffernan M.d. 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 Cathleen Heffernan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10002
- Reassigned Medicare billing, New York enrollment
- 1,615 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 10
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NEW YORK, NY 10016
NEW YORK, NY 10016
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 Cathleen Heffernan's NPI number?
The NPI number for Cathleen Heffernan is 1164558292. It was assigned to this individual provider in the NPPES registry on February 25, 2007.
Where is Cathleen Heffernan located?
Cathleen Heffernan practices at 560 1st Ave, New York, NY 10016. The listed phone number is (212) 731-5353.
What is Cathleen Heffernan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Cathleen Heffernan enrolled in Medicare?
Yes. Cathleen Heffernan 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 Cathleen Heffernan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathleen Heffernan reassigns Medicare benefits to 3 organizations: New York City Health And Hospitals Corporation (New York, 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 Cathleen Heffernan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Cathleen Heffernan was last updated on August 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Cathleen Clare Heffernan, M.D. · NPI 1164558292
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since February 25, 2007.
## Identity
- **NPI:** 1164558292 (Entity type: Individual)
- **Enumerated:** February 25, 2007
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 227592-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 560 1ST AVE, New York, NY 10016-6402
- **Phone:** (212) 731-5353
## 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): New York City Health And Hospitals Corporation (NPI 1497859573, New York, 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:** New York University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** August 26, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1164558292) · Data from the CMS NPPES public registry.