PATRICK F CALLAHAN (M.D.) – Pediatric Cardiology Physician, NPI 1487616082
Pediatric Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
582 PEDIATRIC MEDICINE in VA
Provider Addresses for PATRICK F CALLAHAN (M.D.)
PO BOX 37174
BALTIMORE, MD 212973174
Phone: (571) 423-5699
Fax: (571) 423-5698
Type: Mailing
3300 Gallows Rd
Falls Church, VA 220423300
Phone: (703) 776-4001
Fax: (703) 776-7113
Type: Location
8318, Arlington Boulevard, Annandale, Fairfax (city), Virginia, 22031, United States
SUITE 250
FAIRFAX, VA 220315218
Phone: (703) 876-8410
Fax: (703) 876-8417
Type: Mailing
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 220314513
Phone: (703) 573-0504
Fax: (703) 573-4856
Type: Location
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 $127.
Total Amount is formed as General ($127) + Research ($0) + Ownership ($0) = $127.
Last reported payment date: 2024-06-03 • Largest payer in this snapshot: Medtronic, Inc. ($111).
Total Amount
$127
General + Research + Ownership
Payments
2
Total payment records
General Amount
$127
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $111 |
| Abbott Laboratories | $16 |
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: 2006-01-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040527000288 | I | Pediatric Medicine | DC | TBD |
| I20060105000353 | I | Pediatric Medicine | VA | TBD |
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.
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 21297)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | HI | |
| H E M A T O L O G Y | WA | |
| - | VIR | |
| - | IL | |
| Orthopedic Surgery | VA | |
| - | VA | |
| Diagnostic Radiology | VA | |
| General Surgery | CT | |
| - | VA | |
| N E U R O S U R G E R Y | VA |
Reviews
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