CAITRIONA ANN MARY BUCKLEY MD
NPI 1265490445
Internal Medicine - Critical Care Medicine in Indianapolis, IN
About Caitriona Ann Mary Buckley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAITRIONA ANN MARY BUCKLEY MD (NPI 1265490445) is an individual critical care medicine provider in Indianapolis, Indiana, licensed in Indiana (01079171A) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 11
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
Caitriona Ann Mary Buckley 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
3Medicare enrollment records show Caitriona Buckley reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 358 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Physicians PA
- 614 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 7
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.
Indiana University Health
Acute Care Hospitals · Indianapolis, INUniversity Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Caitriona Buckley's NPI number?
The NPI number for Caitriona Buckley is 1265490445. It was assigned to this individual provider in the NPPES registry on May 4, 2006.
Where is Caitriona Buckley located?
Caitriona Buckley practices at 550 University Blvd # Uh4903, Indianapolis, IN 46202. The listed phone number is (317) 948-2894.
What is Caitriona Buckley's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Caitriona Buckley enrolled in Medicare?
Yes. Caitriona Buckley 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 Caitriona Buckley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caitriona Buckley reassigns Medicare benefits to 3 organizations: University Medical Diagnostic Associates, Inc. (Indianapolis, IN), Iu Health Medical Group, LLC (Indianapolis, IN) and University Of Maryland Physicians P.A. (Baltimore, MD). 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 Caitriona Buckley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caitriona Buckley accept?
Health plans from CareSource list Caitriona Buckley 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 Caitriona Buckley affiliated with any hospitals?
According to CMS data, Caitriona Buckley is affiliated with Indiana University Health and University Of Maryland Medical Center.
When was this NPI record last updated?
The NPPES record for Caitriona Buckley was last updated on March 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Caitriona Ann Mary Buckley, MD · NPI 1265490445
Critical Care Medicine physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since May 4, 2006.
## Identity
- **NPI:** 1265490445 (Entity type: Individual)
- **Enumerated:** May 4, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 01079171A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 UNIVERSITY BLVD # UH4903, Indianapolis, IN 46202-5149
- **Phone:** (317) 948-2894 · **Fax:** (317) 944-4224
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): University Medical Diagnostic Associates, Inc. (NPI 1861441537, Indianapolis, IN); Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN); University Of Maryland Physicians P.A. (NPI 1699725408, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** March 16, 2025
- **Other identifiers:** Medicaid 036121892 (IL); Medicaid 415096100 (MD); Other 19460024 (DC); and 8 more
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Source: [NPI Profile](https://npiprofile.com/npi/1265490445) · Data from the CMS NPPES public registry.