JONATHAN SETH KATZ MD
NPI 1053554121
Internal Medicine - Cardiovascular Disease in West Nyack, NY
About Jonathan Seth Katz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN SETH KATZ MD (NPI 1053554121) is an individual cardiovascular disease provider in West Nyack, New York, licensed in New York (261238) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Nyack Hospital, and is a graduate of Other (2009).
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
Jonathan Seth 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
2Medicare enrollment records show Jonathan Katz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warwick, NY 10990
- Reassigned Medicare billing, New York enrollment
- 176 clinicians in this Medicare group
Middletown, NY 10941
- Reassigned Medicare billing, New York enrollment
- 434 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 32
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyack Hospital
Acute Care Hospitals · Nyack, NYGarnet Health Medical Center
Acute Care Hospitals · Middletown, NYGood Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYWestchester Medical Center
Acute Care Hospitals · Valhalla, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10994 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.
WEST NYACK, NY 10994
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 Jonathan Katz's NPI number?
The NPI number for Jonathan Katz is 1053554121. It was assigned to this individual provider in the NPPES registry on April 19, 2009.
Where is Jonathan Katz located?
Jonathan Katz practices at 2 Centerock Rd, West Nyack, NY 10994. The listed phone number is (845) 703-6999.
What is Jonathan Katz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Jonathan Katz enrolled in Medicare?
Yes. Jonathan 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 Jonathan Katz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Katz reassigns Medicare benefits to 2 organizations: Bon Secours Charity Health System Medical Group, P.C. (Warwick, NY) and Crystal Run Healthcare Physicians LLP (Middletown, NY). 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 Jonathan Katz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jonathan Katz affiliated with any hospitals?
According to CMS data, Jonathan Katz is affiliated with Nyack Hospital, Garnet Health Medical Center, Good Samaritan Hospital Of Suffern and Westchester Medical Center.
When was this NPI record last updated?
The NPPES record for Jonathan Katz was last updated on October 2, 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.