DR. JAMES ARTHUR KNIGHT II MD
NPI 1871121095
Radiology - Radiation Oncology in Lexington, KY
About Dr. James Arthur Knight Ii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES ARTHUR KNIGHT II MD (NPI 1871121095) is an individual radiation oncology provider in Lexington, Kentucky, licensed in Maryland (D0103630) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Indiana University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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)
Dr. James Arthur Knight Ii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show James Knight reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 42 clinicians in this Medicare group
Jacksonville, FL 32206
- Reassigned Medicare billing, Florida enrollment
- 13 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 40536 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.
LEXINGTON, KY 40536
LEXINGTON, KY 40536
LEXINGTON, KY 40536
LEXINGTON, KY 40536
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 Knight's NPI number?
The NPI number for James Knight is 1871121095. It was assigned to this individual provider in the NPPES registry on April 1, 2020.
Where is James Knight located?
James Knight practices at University Of Kentucky 800 Rose Street, Lexington, KY 40536. The listed phone number is (859) 323-2636.
What is James Knight's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is James Knight enrolled in Medicare?
Yes. James Knight is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Knight's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Knight reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Bethesda, MD), Johns Hopkins University (Baltimore, MD) and Florida Proton Therapy Institute Inc (Jacksonville, FL). 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 Knight's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Knight accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 1 other insurer list James Knight 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 Knight was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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. James Arthur Knight II, MD · NPI 1871121095
Radiation Oncology physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since April 1, 2020.
## Identity
- **NPI:** 1871121095 (Entity type: Individual)
- **Enumerated:** April 1, 2020
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** D0103630 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** UNIVERSITY OF KENTUCKY, 800 ROSE STREET, Lexington, KY 40536-0293
- **Phone:** (859) 323-2636
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1578569240, Bethesda, MD); Johns Hopkins University (NPI 1710106414, Baltimore, MD); Florida Proton Therapy Institute Inc (NPI 1891748257, Jacksonville, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1871121095) · Data from the CMS NPPES public registry.