JAMES N JANSZEN MD
NPI 1275532491
Anesthesiology in Lexington, KY
About James N Janszen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES N JANSZEN MD (NPI 1275532491) is an individual anesthesiology provider in Lexington, Kentucky, licensed in Kentucky (31065) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Cincinnati.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James N Janszen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show James Janszen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lexington, KY 40536
- Reassigned Medicare billing, Kentucky enrollment
- 1,761 clinicians in this Medicare group
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- 1,502 clinicians in this Medicare group
Cincinnati, OH 45219
- Reassigned Medicare billing, Ohio enrollment
- 317 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 2
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.
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.
LEXINGTON, KY 40536
LEXINGTON, KY 40536
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 James Janszen's NPI number?
The NPI number for James Janszen is 1275532491. It was assigned to this individual provider in the NPPES registry on July 19, 2005.
Where is James Janszen located?
James Janszen practices at 800 Rose St, Lexington, KY 40536. The listed phone number is (859) 323-5956.
What is James Janszen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Janszen enrolled in Medicare?
Yes. James Janszen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Janszen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Janszen reassigns Medicare benefits to 3 organizations: University Of Kentucky (Lexington, KY), Kentucky Medical Services Foundation, Inc (Lexington, KY) and Anesthesia Associates Of Cincinnati, Inc (Cincinnati, OH). 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 James Janszen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Janszen accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter of Tennessee list James Janszen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Janszen was last updated on June 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.