DR. HOLLY KNUDSEN VARNER (M.D.) – Clinical Neurophysiology Physician, NPI 1154375772
Clinical Neurophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,738 NEUROLOGY in TX
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Provider Addresses for DR. HOLLY KNUDSEN VARNER (M.D.)
6410, Fannin Street, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
SUITE 1014
HOUSTON, TX 770303000
Phone: (832) 325-7080
Fax: (713) 512-2239
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 $66.
Total Amount is formed as General ($66) + Research ($0) + Ownership ($0) = $66.
Last reported payment date: 2023-11-16 • Largest payer in this snapshot: Alnylam Pharmaceuticals Inc. ($41).
Total Amount
$66
General + Research + Ownership
Payments
2
Total payment records
General Amount
$66
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alnylam Pharmaceuticals Inc. | $41 |
| Abbott Laboratories | $26 |
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: 2005-12-20
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 |
|---|---|---|---|---|
| I20051220000801 | I | Neurology | TX | 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 |
|---|---|---|---|---|
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | 348 | 84 | $0 |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | 285 | 283 | $0 |
| 95955 | Measurement of brain wave activity (eeg) outside the brain during surgery | 227 | 226 | $0 |
| 95939 | Placement of skin electrodes and measurement of central motor stimulation in arms and legs | 170 | 168 | $0 |
| 95861 | Needle measurement of electrical activity in arm or leg muscles, 2 extremities | 139 | 139 | $0 |
Insurance plans in this area (ZIP 77030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NJ | |
| Interventional Pain Management, Physical Medicine And Rehabilitation | OK | |
| N E U R O L O G Y | WA | |
| Neurology, Sleep Medicine | MI | |
| N E U R O L O G Y | TX | |
| N E U R O L O G Y | NJ | |
| N E U R O L O G Y | FL | |
| N E U R O L O G Y | FL | |
| N E U R O L O G Y | OK |
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