MS. CATHERINE CALLAHAN TIERNEY (ACNP) – Acute Care Nurse Practitioner, NPI 1457559791

MS. CATHERINE CALLAHAN TIERNEY (ACNP) is a healthcare provider. based in Arlington, Virginia. specializing in Acute Care Nurse Practitioner. They hold the professional credentials ACNP. They hold a License No. 0024000042 (VA). The NPI Number for MS. CATHERINE CALLAHAN TIERNEY (ACNP) is 1457559791

Main info

Female
Name
MS. CATHERINE CALLAHAN TIERNEY (ACNP)
NPI
1457559791
Phone
(703) 558-6300
Address
1701 N GEORGE MASON DR
Enumeration Date
9 July 2007
Last Update Date
22 March 2021

Contacts

Secure Messaging
ctierney14259@direct.virginiahospitalcenter.net
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience60
Completeness85
Years active:18State licenses:1Other namesUpdated within 12 months

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Provider Addresses for MS. CATHERINE CALLAHAN TIERNEY (ACNP)

  • Virginia Hospital Center, 1701, North George Mason Drive, Highview Park, Arlington, Arlington County, Virginia, 22205-3698, United States

    CVSD/CVICU

    ARLINGTON, VA 222053610

    Phone: (703) 558-6300

    Fax: (703) 558-3292

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $39.

Total Amount is formed as General ($39) + Research ($0) + Ownership ($0) = $39.

Last reported payment date: 2024-08-07 • Largest payer in this snapshot: UROGEN PHARMA, INC. ($23).

Total Amount

$39

General + Research + Ownership

Payments

2

Total payment records

General Amount

$39

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-07

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-04-10

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20230410000857INurse PractitionerDCTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 22205)

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Reviews

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Frequently asked questions

What identifier follows MS. CATHERINE CALLAHAN TIERNEY (ACNP) across health systems?
The NPI 1457559791 uniquely identifies MS. CATHERINE CALLAHAN TIERNEY (ACNP) in U.S. healthcare data.
Should I treat MS. CATHERINE CALLAHAN TIERNEY (ACNP) as an active provider?
Patients and plans typically see MS. CATHERINE CALLAHAN TIERNEY (ACNP) as active in the national extract.
How should patients interpret MS. CATHERINE CALLAHAN TIERNEY (ACNP)'s specialty?
The extract shows Acute Care Nurse Practitioner for MS. CATHERINE CALLAHAN TIERNEY (ACNP). Clinical services aligned with this taxonomy classification.
Can patients visit MS. CATHERINE CALLAHAN TIERNEY (ACNP) in Arlington, Virginia?
For routing, start with Arlington, Virginia for MS. CATHERINE CALLAHAN TIERNEY (ACNP), then verify phone and hours locally.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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