Doctor profile · Federal record

Dr. John Hamilton, M.D., PHD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Fairfax, VA

  • NPI 1235191248
  • Accepts Medicare
  • 32 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
8081 Innovation Park Dr Ste 900
Fairfax, VA 220314867
(571) 472-4100
fax (571) 472-4101
Additional location
44055 Riverside Pkwy Ste 220
Leesburg, VA 201765177
fax (571) 471-4101
Additional location
8503 Arlington Blvd, Suite 200
Fairfax, VA 220314628
(703) 970-2670
fax (703) 970-0204
Mailing address
Po Box 37174
Baltimore, MD 212973174

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
December 19, 2022
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Virginia #0101240394 · New York #237651

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235191248. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,185
Distinct HCPCS
10
Medicare allowed
$389,268
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 400 262 $110
99204 New patient office or other outpatient visit, 45-59 minutes 106 106 $148
22614 Fusion of additional segment of spine 97 39 $444
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 96 69 $86
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 56 37 $293
20939 Aspiration of bone marrow for spine bone graft 50 50 $80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 44 43 $143
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 37 15 $239
22310 Closed treatment of broken spine bone with cast or brace 36 36 $346
22842 Placement of stabilizing device to back, 3-6 spine bone segments 36 36 $866

In context: peer comparison

Among 5 peers in Fairfax Neurological Surgery Physician, average services per provider: 42. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$767
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 5 $376.27
Stryker Corporation 1 $159.03
Teva Pharmaceuticals USA, INC. 1 $118.60
Vertos Medical, INC. 1 $113.50

By nature of payment

Food and Beverage
$767

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hamilton's medical specialty?
Dr. John Hamilton practices Neurological Surgery Physician in Fairfax, VA.
Where does Dr. John Hamilton practice?
Dr. John Hamilton practices at 8081 Innovation Park Dr Ste 900, Fairfax, VA 220314867. Office phone: 5714724100.
What is Dr. John Hamilton's NPI?
Dr. John Hamilton's National Provider Identifier (NPI) is 1235191248, issued by NPPES.
Does Dr. John Hamilton accept Medicare assignment?
Yes. Dr. John Hamilton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hamilton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Fusion of additional segment of spine (HCPCS 22614). Source: CMS Medicare Physician & Other Practitioners file.