DR. LOUIS CHRISTOPHER RIVERA MD
NPI 1336309582
Emergency Medicine in Oneida, NY
About Dr. Louis Christopher Rivera Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LOUIS CHRISTOPHER RIVERA MD (NPI 1336309582) is an individual emergency medicine provider in Oneida, New York, licensed in New York (259558) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Louis Christopher Rivera Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Louis Rivera reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hamilton, NY 13346
- Reassigned Medicare billing, New York enrollment
- 129 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Emergency Care Services Of New York PC
- 240 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 356 clinicians in this Medicare group
Plattsburgh, NY 12901
- Reassigned Medicare billing, New York enrollment
- 675 clinicians in this Medicare group
Altoona, PA 16601
- Reassigned Medicare billing, Pennsylvania enrollment
- 291 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 183 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13421 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.
ONEIDA, NY 13421
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 Louis Rivera's NPI number?
The NPI number for Louis Rivera is 1336309582. It was assigned to this individual provider in the NPPES registry on June 11, 2008.
Where is Louis Rivera located?
Louis Rivera practices at 321 Genesee St, Oneida, NY 13421. The listed phone number is (646) 468-2480.
What is Louis Rivera's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Louis Rivera enrolled in Medicare?
Yes. Louis Rivera is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Louis Rivera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Louis Rivera reassigns Medicare benefits to 6 organizations: Port City Emergency Physicians LLP (Hamilton, NY), Emergency Care Services Of New York, P.C. (Syracuse, NY), Emergency Physician Services Of New York, P.C. (Poughkeepsie, NY), Champlain Valley Physicians Hospital Medical Center (Plattsburgh, NY), Upmc Altoona (Altoona, PA) and 1 more organization, listed in the Medicare section above. 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 Louis Rivera'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 Louis Rivera was last updated on November 19, 2021. 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.
# Dr. Louis Christopher Rivera, MD · NPI 1336309582
Emergency Medicine physician in Oneida, New York. Individual provider, active in the CMS NPPES registry since June 11, 2008.
## Identity
- **NPI:** 1336309582 (Entity type: Individual)
- **Enumerated:** June 11, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 259558 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 321 GENESEE ST, Oneida, NY 13421-2611
- **Phone:** (646) 468-2480
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Port City Emergency Physicians LLP (NPI 1316395460, Hamilton, NY); Emergency Care Services Of New York, P.C. (NPI 1639236656, Syracuse, NY); Emergency Physician Services Of New York, P.C. (NPI 1093759847, Poughkeepsie, NY); Champlain Valley Physicians Hospital Medical Center (NPI 1033270699, Plattsburgh, NY); Upmc Altoona (NPI 1497831655, Altoona, PA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 19, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1336309582) · Data from the CMS NPPES public registry.