JAMES MICHAEL KEEGAN MD
NPI 1023118619
Internal Medicine - Infectious Disease in Rapid City, SD
About James Michael Keegan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES MICHAEL KEEGAN MD (NPI 1023118619) is an individual infectious disease provider in Rapid City, South Dakota, licensed in South Dakota (3381) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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 Michael Keegan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Keegan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rapid City, SD 57701
- Reassigned Medicare billing, South Dakota enrollment
- 831 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 57701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RAPID CITY, SD 57701
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 Keegan's NPI number?
The NPI number for James Keegan is 1023118619. It was assigned to this individual provider in the NPPES registry on September 23, 2006.
Where is James Keegan located?
James Keegan practices at 4940 5th St Suite 1B, Rapid City, SD 57701. The listed phone number is (605) 342-8329.
What is James Keegan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is James Keegan enrolled in Medicare?
Yes. James Keegan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Keegan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Keegan reassigns Medicare benefits to Monument Health Rapid City Hospital Inc (Rapid City, SD). 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 James Keegan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Keegan accept?
Health plans from Oscar Insurance Company, Sanford Health Plan and Wellmark of South Dakota, Inc. list James Keegan 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 Keegan was last updated on July 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.