GUDJON KARLSSON MD
NPI 1235558339
Internal Medicine - Interventional Cardiology in Huntington, WV
About Gudjon Karlsson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUDJON KARLSSON MD (NPI 1235558339) is an individual interventional cardiology provider in Huntington, West Virginia, licensed in West Virginia (25239) and active in the NPI registry since April 2014. 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)
Gudjon Karlsson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gudjon Karlsson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Huntington, WV 25702
- Reassigned Medicare billing, West Virginia enrollment
- 21 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 25705 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HUNTINGTON, WV 25705
HUNTINGTON, WV 25705
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 Gudjon Karlsson's NPI number?
The NPI number for Gudjon Karlsson is 1235558339. It was assigned to this individual provider in the NPPES registry on April 16, 2014.
Where is Gudjon Karlsson located?
Gudjon Karlsson practices at 5170 Us Route 60, Huntington, WV 25705. The listed phone number is (304) 528-4600.
What is Gudjon Karlsson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Gudjon Karlsson enrolled in Medicare?
Yes. Gudjon Karlsson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gudjon Karlsson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gudjon Karlsson reassigns Medicare benefits to St Marys Medical Center, Inc. (Huntington, WV). 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 Gudjon Karlsson'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 Gudjon Karlsson was last updated on April 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.