JOHN ROZEHNAL
NPI 1952842262
Emergency Medicine in New York, NY
About John Rozehnal NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ROZEHNAL (NPI 1952842262) is an individual emergency medicine provider in New York, New York, licensed in New York (311019) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (2017).
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
John Rozehnal 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
4Medicare enrollment records show John Rozehnal reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 1,067 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 325 clinicians in this Medicare group
New York, NY 10024
- Reassigned Medicare billing, New York enrollment
- 245 clinicians in this Medicare group
Eagle Butte, SD 57625
- Reassigned Medicare billing, Texas enrollment
- 282 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYEagle Butte Indian Health Service Hospital
Critical Access Hospitals · Eagle Butte, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 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 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
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 John Rozehnal's NPI number?
The NPI number for John Rozehnal is 1952842262. It was assigned to this individual provider in the NPPES registry on March 20, 2017.
Where is John Rozehnal located?
John Rozehnal practices at 1 Gustave L Levy Pl Box 1149, New York, NY 10029. The listed phone number is (401) 633-5041.
What is John Rozehnal's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Rozehnal enrolled in Medicare?
Yes. John Rozehnal 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 John Rozehnal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Rozehnal reassigns Medicare benefits to 4 organizations: Fpa Hospital Based (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY) and Eagle Butte Indian Health Service Hospital (Eagle Butte, SD). 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 John Rozehnal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Rozehnal affiliated with any hospitals?
According to CMS data, John Rozehnal is affiliated with Mount Sinai Hospital and Eagle Butte Indian Health Service Hospital.
When was this NPI record last updated?
The NPPES record for John Rozehnal was last updated on June 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.