JOHN KAHOUN MD, FACEP
NPI 1295888766
Emergency Medicine in Brooklyn, NY
About John Kahoun Md, Facep NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN KAHOUN MD, FACEP (NPI 1295888766) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (211176) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Kahoun Md, Facep is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Kahoun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11249
- Reassigned Medicare billing, New York enrollment
- 596 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Siena Emergency Medical Services PC
- 55 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11249 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11249
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 Kahoun's NPI number?
The NPI number for John Kahoun is 1295888766. It was assigned to this individual provider in the NPPES registry on January 19, 2007.
Where is John Kahoun located?
John Kahoun practices at 154 N 7th St, Brooklyn, NY 11249. The listed phone number is (718) 414-2013.
What is John Kahoun's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Kahoun enrolled in Medicare?
Yes. John Kahoun is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Kahoun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Kahoun reassigns Medicare benefits to 2 organizations: City Medical Of Upper East Side, PLLC (Brooklyn, NY) and Siena Emergency Medical Services, P.C. (Smithtown, 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 John Kahoun'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 John Kahoun was last updated on November 20, 2019. 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.
# John Kahoun, MD, FACEP · NPI 1295888766
Emergency Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since January 19, 2007.
## Identity
- **NPI:** 1295888766 (Entity type: Individual)
- **Enumerated:** January 19, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 211176 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 154 N 7TH ST, Brooklyn, NY 11249-2910
- **Phone:** (718) 414-2013 · **Fax:** (718) 414-2015
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): City Medical Of Upper East Side, PLLC (NPI 1477966083, Brooklyn, NY); Siena Emergency Medical Services, P.C. (NPI 1356507099, Smithtown, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 20, 2019
- **Other identifiers:** Medicaid 01959535 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1295888766) · Data from the CMS NPPES public registry.