DR. JOHN KELLY NATIONS MD
NPI 1942318852
Emergency Medicine in Sacramento, CA
About Dr. John Kelly Nations Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN KELLY NATIONS MD (NPI 1942318852) is an individual emergency medicine provider in Sacramento, California, licensed in California (C42247) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Kelly Nations Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Nations reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 2,323 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 95816 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nations's NPI number?
The NPI number for John Nations is 1942318852. It was assigned to this individual provider in the NPPES registry on August 29, 2006.
Where is John Nations located?
John Nations practices at 2801 'l' Street, Sacramento, CA 95816. The listed phone number is (916) 733-3003.
What is John Nations's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Nations enrolled in Medicare?
Yes. John Nations is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Nations's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Nations reassigns Medicare benefits to Cep America - California (Sacramento, CA). The 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 Nations'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 Nations was last updated on October 8, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. John Kelly Nations, MD · NPI 1942318852
Emergency Medicine physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since August 29, 2006.
## Identity
- **NPI:** 1942318852 (Entity type: Individual)
- **Enumerated:** August 29, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C42247 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2801 'L' STREET, Sacramento, CA 95816
- **Phone:** (916) 733-3003
## 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:** Cep America - California (NPI 1306145404, Sacramento, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 8, 2009
- **Other identifiers:** Medicare PIN 00C422470 (CA); Medicare UPIN F05315 (CA); Medicaid 00C422470 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1942318852) · Data from the CMS NPPES public registry.