DR. JOHN F. HAMILTON (M.D., PHD) – Neurological Surgery Physician, NPI 1235191248
Neurological Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
183 NEUROSURGERY in VA
Provider Addresses for DR. JOHN F. HAMILTON (M.D., PHD)
8503 Arlington Blvd
Suite 200
Fairfax, VA 220314628
Phone: (703) 970-2670
Fax: (703) 970-0204
Type: Location
44055 Riverside Pkwy Ste 220
Leesburg, VA 201765177
Phone: (571) 472-4100
Fax: (571) 471-4101
Type: Location
PO BOX 37174
BALTIMORE, MD 212973174
Phone: (571) 423-5699
Fax: (571) 423-5698
Type: Mailing
8081 INNOVATION PARK DR STE 900
FAIRFAX, VA 220314867
Phone: (571) 472-4100
Fax: (571) 472-4101
Type: Location
Inova Schar Heart and Vascular, 3300, Gallows Road, Falls Church, Fairfax County, Virginia, 22042, United States
FALLS CHURCH, VA 220423307
Phone: (703) 776-3810
Fax: (703) 776-2917
Type: Mailing
Prosperity Medical Center, 8503, Arlington Boulevard, Pine Ridge, Annandale, Fairfax County, Virginia, 22031, United States
SUITE 200
FAIRFAX, VA 220314628
Phone: (703) 970-2670
Fax: (703) 970-0204
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 19 Open Payments records for all available years, with a total value of $2,474.
Total Amount is formed as General ($2,474) + Research ($0) + Ownership ($0) = $2,474.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Vertos Medical, Inc. ($519).
Total Amount
$2,474
General + Research + Ownership
Payments
19
Total payment records
General Amount
$2,474
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Vertos Medical, Inc. | $519 |
| Boston Scientific Corporation | $376 |
| Spineology Inc. | $355 |
| Arteriocyte Medical Systems, Inc. | $273 |
| ZIMVIE INC. | $221 |
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: 2014-12-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-12-31 (890 days ago).
Enrollment records
2
Earliest due date
2023-12-31
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 |
|---|---|---|---|---|
| I20080407000713 | I | Neurosurgery | DC | TBD |
| I20141215001866 | I | Neurosurgery | VA | 2023-12-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 | 400 | 262 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 106 | 106 | $0 |
| 22614 | Fusion of additional segment of spine | 97 | 39 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 69 | $0 |
| 22853 | Insertion of cage or mesh device to spine bone and disc space during spine fusion | 56 | 37 | $0 |
Insurance plans in this area (ZIP 22031)
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Provider's Procedures
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 |
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