MRS. KATHERINE TREFZGER BAKER (CFNP) – Family Nurse Practitioner, NPI 1962520411
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,307 NURSE PRACTITIONER in VA
Provider Addresses for MRS. KATHERINE TREFZGER BAKER (CFNP)
14370 LEE HWY
SUITE 105
GAINESVILLE, VA 201554865
Phone: (703) 754-4101
Fax: (703) 754-1105
Type: Mailing
7915 LAKE MANASSAS DR STE 102
GAINESVILLE, VA 201553259
Phone: (703) 754-4101
Fax: (703) 754-1105
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 27 Open Payments records for all available years, with a total value of $577.
Total Amount is formed as General ($577) + Research ($0) + Ownership ($0) = $577.
Last reported payment date: 2024-11-15 • Largest payer in this snapshot: Novo Nordisk Inc ($226).
Total Amount
$577
General + Research + Ownership
Payments
27
Total payment records
General Amount
$577
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $226 |
| PFIZER INC. | $59 |
| ABBVIE INC. | $58 |
| Astellas Pharma US Inc | $48 |
| Lilly USA, LLC | $40 |
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: 2009-03-10
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090310000306 | I | Nurse Practitioner | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 81 | 42 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 67 | 36 | $0 |
| G0008 | Administration of influenza virus vaccine | 13 | 13 | $0 |
Insurance plans in this area (ZIP 20155)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NURSE PRACTITIONER | VA | 81002 | Urinalysis, manual test | 24 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | VA |
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