DR. CATHERINE NGUYEN KEEGAN MD
NPI 1861656977
Radiology - Diagnostic Radiology in Dallas, TX
About Dr. Catherine Nguyen Keegan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE NGUYEN KEEGAN MD (NPI 1861656977) is an individual diagnostic radiology provider in Dallas, Texas, licensed in New York (26156) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Hca Florida Highlands Hospital, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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 and accepts Medicare assignment
Dr. Catherine Nguyen Keegan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
12Medicare enrollment records show Catherine Keegan reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monroe, LA 71202
- Reassigned Medicare billing, Louisiana enrollment
- 119 clinicians in this Medicare group
Jonesboro, AR 72401
- Reassigned Medicare billing, Louisiana enrollment
Tampa, FL 33606
- Reassigned Medicare billing, Florida and Louisiana enrollments
- 1,130 clinicians in this Medicare group
Detroit, MI 48236
- Reassigned Medicare billing, Louisiana enrollment
- 3 clinicians in this Medicare group
Palm Desert, CA 92260
- Reassigned Medicare billing, Louisiana enrollment
Germantown, MD 20876
- Reassigned Medicare billing, District of Columbia enrollment
- 234 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 118 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, Louisiana enrollment
Mount Airy, MD 21771
- Reassigned Medicare billing, Maryland enrollment
- 317 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- 42 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 55
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida Highlands Hospital
Acute Care Hospitals · Sebring, FLHca Florida Putnam Hospital
Acute Care Hospitals · Palatka, FLHca Florida Gulf Coast Hospital
Acute Care Hospitals · Panama City, FLHoly Cross Hospital
Acute Care Hospitals · Silver Spring, MDHoly Cross Germantown Hospital
Acute Care Hospitals · Germantown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75240 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 20
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 Catherine Keegan's NPI number?
The NPI number for Catherine Keegan is 1861656977. It was assigned to this individual provider in the NPPES registry on July 17, 2008.
Where is Catherine Keegan located?
Catherine Keegan practices at 13737 Noel Rd Ste 1600 Attn: Rays, Dallas, TX 75240. The listed phone number is (303) 993-8270.
What is Catherine Keegan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Catherine Keegan enrolled in Medicare?
Yes. Catherine Keegan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Catherine Keegan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Keegan reassigns Medicare benefits to 12 organizations: Brfhh Monroe LLC (Monroe, LA), Associated Radiologists, Ltd. (Jonesboro, AR), Mori Bean And Brooks Inc (Tampa, FL), Eastpointe Radiologists, P.C. (Detroit, MI), Desert Advanced Imaging Medical Center (Palm Desert, CA) and 7 more organizations, listed in the Medicare section above. 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 Catherine Keegan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Keegan accept?
Health plans from Arkansas Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and CareSource and 5 other insurers list Catherine 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.
Is Catherine Keegan affiliated with any hospitals?
According to CMS data, Catherine Keegan is affiliated with Hca Florida Highlands Hospital, Hca Florida Putnam Hospital, Hca Florida Gulf Coast Hospital, Holy Cross Hospital and Holy Cross Germantown Hospital.
When was this NPI record last updated?
The NPPES record for Catherine Keegan was last updated on June 14, 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.