MRS. CATHERINE ANNE THAL-LARSEN (F.N.P.) – Family Nurse Practitioner, NPI 1174774871
Family Nurse Practitioner
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MRS. CATHERINE ANNE THAL-LARSEN (F.N.P.)
14535 JOHN MARSHALL HWY, SUITE 212,
GAINESVILLE, VA 201554025
Phone: (571) 248-0245
Fax: (571) 248-0241
Type: Location
13890, Braddock Road, Centreville, Manassas (city), Virginia, 20121, United States
SUITE 206
CENTREVILLE, VA 201212435
Phone: (703) 263-2333
Fax: (703) 263-0361
Type: Mailing
224 D CORNWALL STREET NW
STE 403
LEESBURG, VA 201762704
Phone: (703) 737-6010
Fax: (703) 443-8643
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $368.
Total Amount is formed as General ($368) + Research ($0) + Ownership ($0) = $368.
Last reported payment date: 2024-06-13 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($108).
Total Amount
$368
General + Research + Ownership
Payments
17
Total payment records
General Amount
$368
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-13
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2013-06-06
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20130606000028 | I | Nurse Practitioner | DC | 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 20155)
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