DR. XAVIER RAJESH PACKIANATHAN MD
NPI 1669692059
Radiology - Vascular & Interventional Radiology in Tamuning, GU
About Dr. Xavier Rajesh Packianathan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. XAVIER RAJESH PACKIANATHAN MD (NPI 1669692059) is an individual vascular & interventional radiology provider in Tamuning, Guam, licensed in Guam (M-1944) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and maintains a secondary practice location in Memphis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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 and accepts Medicare assignment
Dr. Xavier Rajesh Packianathan 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
7Medicare enrollment records show Xavier Packianathan reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tinian, MP 96952
- Reassigned Medicare billing, Northern Mariana Islands enrollment
- 200 clinicians in this Medicare group
Dededo, GU 96929
- Reassigned Medicare billing, Guam enrollment
- 432 clinicians in this Medicare group
Oka Tamuning, GU 96913
- Reassigned Medicare billing, Guam enrollment
- 320 clinicians in this Medicare group
Tamuning, GU 96913
- Reassigned Medicare billing, Guam enrollment
- 103 clinicians in this Medicare group
Saint Louis, MO 63139
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
- 414 clinicians in this Medicare group
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 741 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 19
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOSsm Health Saint Louis University Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96913 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TAMUNING, GU 96913
TAMUNING, GU 96913
TAMUNING, GU 96913
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 Xavier Packianathan's NPI number?
The NPI number for Xavier Packianathan is 1669692059. It was assigned to this individual provider in the NPPES registry on April 26, 2007.
Where is Xavier Packianathan located?
Xavier Packianathan practices at 633 Gov Carlos Camacho Rd Suite 210, Tamuning, GU 96913. The listed phone number is (671) 649-1001.
What is Xavier Packianathan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Xavier Packianathan enrolled in Medicare?
Yes. Xavier Packianathan 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 Xavier Packianathan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xavier Packianathan reassigns Medicare benefits to 7 organizations: Commonwealth Healthcare Corporation (Tinian, MP), Guam Healthcare Development Incorporated (Dededo, GU), Guam Memorial Hospital (Oka Tamuning, GU), Guam X-Ray (Tamuning, GU), Ssm Cardinal Glennon Childrens Hospital (Saint Louis, MO) and 2 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 Xavier Packianathan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Xavier Packianathan accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Xavier Packianathan 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 Xavier Packianathan affiliated with any hospitals?
According to CMS data, Xavier Packianathan is affiliated with Ssm Health St Mary's Hospital - St Louis and Ssm Health Saint Louis University Hospital.
When was this NPI record last updated?
The NPPES record for Xavier Packianathan was last updated on March 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.