Active NPI 1235191248 Individual Practitioner Male Practitioner

Dr. John F. Hamilton , MD, PhD

Neurological Surgery • Fairfax, VA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. John Hamilton, MD, PhD is a certified Neurological Surgery practicing in Fairfax, VA. With approximately 32 years of clinical experience since graduating from Meharry Medical College School Of Medicine in 1994, Dr. Hamilton delivers high-quality medical care to the local community at 8081 INNOVATION PARK DR STE 900.

Dr. Hamilton is affiliated with Inova Health Care Services and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, fusion of additional segment of spine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

8081 Innovation Park Dr Ste 900

Fairfax, VA 220314867

Telephone 5714724100

Fax 5714724101

Associated Practice Facility / Clinic

🏢 Inova Health Care Services Facility NPI 1952320061

Medicare Profile & Education

Medical School

Meharry Medical College School Of Medicine

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Fairfax, VA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +4.6 yrs vs City Avg

City Avg: 27.4 Yrs

State Avg: 25.6 Yrs

Regional Practice Density

12 Specialists

Practicing in Fairfax, VA (198 Statewide)

Telehealth Adoption Rate

41.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

65.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hamilton (32 Years) 32 Yrs

Fairfax Specialty Average (27.4 Years) 27.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	245	187	$191.00	$72.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	121	$289.00	$105.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	111	111	$443.00	$144.25
22614 Fusion of additional segment of spine	65	25	$1201.00	$399.83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	62	61	$529.00	$182.90
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	54	29	$849.00	$281.40
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	48	33	$189.00	$83.03
22310 Closed treatment of broken spine bones with casting or bracing	36	34	$881.00	$339.26
61783 Computer-assisted spinal procedure	24	24	$714.00	$253.42
20939 Harvest of bone marrow for spine surgery graft	24	24	$194.00	$75.96
22842 Placement of stabilizing device to back, 3-6 spine bone segments	23	23	$2148.00	$832.85
22845 Placement of stabilizing device to front, 2-3 spine bone segments	22	22	$2262.00	$794.16
69990 Use of operating microscope	20	19	$605.00	$238.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$293.00	$88.60
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$117.00	$38.50
22612 Fusion of spine in lower back	14	14	$4935.00	$1452.80
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	11	11	$5078.00	$1901.20
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	11	11	$4303.00	$1306.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	400	262	$288.75	$110.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	106	106	$443.10	$148.17
22614 Fusion of additional segment of spine	97	39	$1200.60	$443.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	96	69	$189.00	$86.27
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	56	37	$849.21	$292.84
20939 Harvest of bone marrow for spine surgery graft	50	50	$193.73	$79.67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	43	$359.10	$143.33
63048 Partial removal of spine bone with release of spinal cord and/or nerves	37	15	$645.88	$238.66
22842 Placement of stabilizing device to back, 3-6 spine bone segments	36	36	$2148.30	$866.40
22310 Closed treatment of broken spine bones with casting or bracing	36	36	$881.21	$346.05
22845 Placement of stabilizing device to front, 2-3 spine bone segments	29	28	$2262.31	$825.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	27	$529.20	$190.25
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	24	24	$4303.43	$1178.17
22612 Fusion of spine in lower back	23	23	$4935.48	$1671.78
61783 Computer-assisted spinal procedure	22	22	$713.61	$263.95
69990 Use of operating microscope	20	18	$604.80	$248.31
63056 Release of lower spinal cord and/or nerves	16	16	$4550.93	$944.89
22514 Injection of bone cement into body of lower spine bone accessed through the skin using imaging guidance	14	12	$9674.89	$509.12
61312 Aspiration of blood accumulation in brain	14	11	$6414.85	$2237.10
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	13	13	$3379.12	$791.61
22633 Fusion of spine in lower back with partial removal of spine bone and disc	12	12	$5444.96	$2085.96
61781 Computer-assisted procedure inside brain	12	12	$730.21	$270.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	347	225	$275.00	$139.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	93	93	$422.00	$183.02
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	85	46	$180.00	$77.67
22614 Fusion of additional segment of spine	83	33	$1143.43	$430.82
99221 Initial hospital inpatient care per day, typically 30 minutes	51	50	$254.25	$110.38
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	43	$342.00	$146.99
22310 Closed treatment of broken spine bones with casting or bracing	40	39	$839.25	$354.86
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	36	24	$808.77	$299.65
22842 Placement of stabilizing device to back, 3-6 spine bone segments	29	28	$2046.00	$887.05
20939 Harvest of bone marrow for spine surgery graft	28	28	$184.50	$80.69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$504.00	$210.37
69990 Use of operating microscope	21	21	$576.00	$253.39
22845 Placement of stabilizing device to front, 2-3 spine bone segments	21	20	$2154.58	$839.51
22612 Fusion of spine in lower back	21	21	$4700.46	$1568.76
63056 Release of lower spinal cord and/or nerves	17	17	$4334.22	$937.00
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	17	16	$4098.50	$1264.18
22514 Injection of bone cement into body of lower spine bone accessed through the skin using imaging guidance	16	16	$19876.00	$546.69
61783 Computer-assisted spinal procedure	16	16	$679.63	$270.42
61781 Computer-assisted procedure inside brain	15	15	$695.44	$274.74
22600 Fusion of spine in neck by posterior approach	13	12	$3489.75	$1032.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	322	212	$275.66	$148.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	109	109	$417.19	$191.61
22614 Fusion of additional segment of spine	64	20	$1141.02	$464.45
99221 Initial hospital inpatient care per day, typically 30 minutes	60	59	$249.76	$109.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	59	40	$178.51	$78.09
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	50	50	$337.24	$149.05
22310 Closed treatment of broken spine bones with casting or bracing	39	39	$827.72	$338.24
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	39	28	$807.65	$306.95
20939 Harvest of bone marrow for spine surgery graft	32	31	$182.17	$82.65
22845 Placement of stabilizing device to front, 2-3 spine bone segments	25	24	$2151.80	$859.69
69990 Use of operating microscope	20	20	$562.99	$254.95
22842 Placement of stabilizing device to back, 3-6 spine bone segments	19	18	$2033.45	$904.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$415.00	$152.02
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$498.89	$226.29
63056 Release of lower spinal cord and/or nerves	18	17	$4299.20	$1096.29
22612 Fusion of spine in lower back	15	15	$4693.72	$1597.62
22840 Placement of stabilizing device to back of 1 spine bone in neck	14	14	$2024.78	$900.60
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	13	13	$4094.20	$1548.85
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$187.09	$106.19
22600 Fusion of spine in neck by posterior approach	11	11	$3469.61	$1069.99
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	11	11	$4826.88	$2047.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	223	171	$263.00	$125.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	93	93	$404.00	$182.70
22614 Fusion of additional segment of spine	62	27	$1137.27	$469.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	51	39	$172.00	$76.25
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	49	$328.00	$155.75
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	40	25	$804.42	$309.76
99221 Initial hospital inpatient care per day, typically 30 minutes	36	36	$242.00	$110.31
22310 Closed treatment of broken spine bones with casting or bracing	35	35	$801.77	$340.81
20939 Harvest of bone marrow for spine surgery graft	32	32	$175.18	$83.57
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	31	$481.00	$227.36
63048 Partial removal of spine bone with release of spinal cord and/or nerves	26	13	$597.23	$227.73
22842 Placement of stabilizing device to back, 3-6 spine bone segments	26	26	$1986.40	$914.33
63056 Release of lower spinal cord and/or nerves	19	19	$4208.16	$1131.31
69990 Use of operating microscope	18	17	$549.98	$259.17
22845 Placement of stabilizing device to front, 2-3 spine bone segments	16	16	$2142.99	$870.53
22612 Fusion of spine in lower back	16	16	$4675.18	$1795.00
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	13	13	$4079.88	$1119.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	201	155	$263.00	$122.34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	80	50	$172.00	$78.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	74	74	$404.00	$183.89
99221 Initial hospital inpatient care per day, typically 30 minutes	71	71	$242.00	$109.63
99213 Established patient office or other outpatient visit, typically 15 minutes	58	56	$178.00	$84.77
22614 Fusion of additional segment of spine	48	18	$1086.85	$457.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	46	44	$328.00	$151.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$267.00	$122.50
22310 Closed treatment of broken spine bones with casting or bracing	29	28	$798.17	$324.23
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	27	22	$756.57	$302.93
69990 Use of operating microscope	20	19	$548.98	$259.38
22840 Placement of stabilizing device to back of 1 spine bone in neck	17	17	$1945.12	$886.78
22842 Placement of stabilizing device to back, 3-6 spine bone segments	16	16	$1966.90	$899.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$481.00	$223.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$267.00	$84.40
61781 Computer-assisted procedure inside brain	13	11	$672.99	$281.30
22845 Placement of stabilizing device to front, 2-3 spine bone segments	13	13	$2054.99	$852.05
22513 Treatment of broken middle spine bone with placement of stabilizing device using imaging guidance	13	13	$19942.00	$576.86
22612 Fusion of spine in lower back	11	11	$4319.99	$1692.56
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	11	11	$4079.88	$1226.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	158	127	$261.49	$118.87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	92	54	$172.00	$76.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	85	85	$404.00	$180.75
99221 Initial hospital inpatient care per day, typically 30 minutes	78	77	$242.00	$110.99
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	48	28	$696.75	$285.43
22614 Fusion of additional segment of spine	44	19	$986.00	$455.22
99213 Established patient office or other outpatient visit, typically 15 minutes	38	37	$178.00	$82.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$267.00	$121.60
69990 Use of operating microscope	30	29	$545.00	$257.13
63048 Partial removal of spine bone with release of spinal cord and/or nerves	28	12	$535.00	$246.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	27	26	$352.00	$153.96
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	12	$94.00	$43.19
22842 Placement of stabilizing device to back, 3-6 spine bone segments	21	20	$1924.00	$888.46
22845 Placement of stabilizing device to front, 2-3 spine bone segments	21	21	$1857.00	$840.59
61312 Aspiration of blood accumulation in brain	20	15	$5249.00	$2203.16
22310 Closed treatment of broken spine bones with casting or bracing	19	19	$767.00	$327.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$267.00	$84.88
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	14	14	$4357.00	$1957.53
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	12	$246.00	$112.24
22840 Placement of stabilizing device to back of 1 spine bone in neck	13	13	$1922.00	$850.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$328.00	$150.82
61781 Computer-assisted procedure inside brain	12	11	$591.00	$278.34
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	11	11	$2794.00	$819.68
63267 Removal of growth of lower spine bone outside spine membrane	11	11	$3488.00	$1009.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	242	127	$172.00	$74.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	191	146	$263.00	$118.90
99221 Initial hospital inpatient care per day, typically 30 minutes	121	121	$242.00	$111.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	101	101	$404.00	$179.59
22614 Fusion of additional segment of spine	65	24	$986.00	$456.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$267.00	$122.36
22310 Closed treatment of broken spine bones with casting or bracing	34	33	$767.00	$311.68
63048 Partial removal of spine bone with release of spinal cord and/or nerves	33	16	$535.00	$246.62
69990 Use of operating microscope	25	25	$545.00	$257.61
22842 Placement of stabilizing device to back, 3-6 spine bone segments	23	23	$1924.00	$890.09
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$178.00	$82.45
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	18	15	$696.75	$304.72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	18	15	$246.00	$106.95
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	17	17	$2794.00	$720.89
63685 Insertion of spinal neurostimulator pulse generator or receiver	16	16	$915.00	$211.18
63655 Removal of spine bone for insertion of neurostimulator electrode plate in spine	16	16	$2104.00	$912.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	14	$94.00	$43.16
22612 Fusion of spine in lower back	14	14	$4024.00	$1583.95
22840 Placement of stabilizing device to back of 1 spine bone in neck	14	14	$1922.00	$886.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$352.00	$162.47
61781 Computer-assisted procedure inside brain	13	13	$591.00	$278.81
22845 Placement of stabilizing device to front, 2-3 spine bone segments	11	11	$1857.00	$854.07

Medical Specialties & State Licenses

CMS Verified: 2022-12-19

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License VA 0101240394

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Neurological Surgery

NUCC Taxonomy Code: 207T00000X

State License NY 237651

Hospital & Practice Group Affiliations

Inova Health Care Services

3620 Joseph Siewick Dr, Fairfax, VA 220331761

Inova Health Care Services

44055 Riverside Pkwy, Leesburg, VA 201765155

Inova Health Care Services

3300 Gallows Rd, Falls Church, VA 220423307

Inova Health Care Services

7051 Heathcote Village Way, Gainesville, VA 201553266

Phone: 7033914500

Inova Health Care Services

44045 Rivderside Pkwy, Leesburg, VA 201765101

Inova Health Care Services

4320 Seminary Rd, Alexandria, VA 223041535

Inova Health Care Services

3800 Fettler Park Dr, Dumfries, VA 220252043

Phone: 5714726791

Inova Health Care Services

8081 Innovation Park Dr, Fairfax, VA 220314867

Inova Health Care Services

3800 Fettler Park Dr, Dumfries, VA 220252043

Phone: 5714726791

Secondary Practice Locations

8503 Arlington Blvd, Suite 200

Fairfax, VA 220314628

Phone: 7039702670

44055 Riverside Pkwy Ste 220

Leesburg, VA 201765177

Phone: 5714724100

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

22 Associated Practitioners

Saad Shaukat

Family Medicine

NPI 1114587532

Sharon Kim , FNP

Nurse Practitioner - Family

NPI 1134777964

Family Nurse Practitioner

Zoe Textoris , PA

Physician Assistant

NPI 1154953289

Physician Assistant

Dr. Ameet Chitale , MD

Neurological Surgery

NPI 1376833533

Doctor of Medicine (M.D.)

Danyelle Pereira , PA

Physician Assistant

NPI 1386115517

Physician Assistant

Cristie May Brewer , CRNP

Nurse Practitioner

NPI 1407099989

Certified Registered Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location July 13, 2021

Registered at 8081 INNOVATION PARK DR STE 900, FAIRFAX, VA 220314867 (Tel: 5714724100)

📍

Updated Business Mailing Address July 13, 2021

Registered at PO BOX 37174, BALTIMORE, MD 212973174 (Tel: 5714235699)

✅

NPI Profile Active April 29, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location April 29, 2008

Registered at 8503 ARLINGTON BLVD, SUITE 200, FAIRFAX, VA 220314628 (Tel: 7039702670)

📍

Updated Business Mailing Address April 29, 2008

Registered at 3300 GALLOWS RD, FALLS CHURCH, VA 220423307 (Tel: 7037763810)

👤

Provider Name / Credentials Updated April 29, 2008

Recorded as JOHN HAMILTON, M.D., PHD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 29, 2008

Neurological Surgery (License #237651 in NY)

🟢

Initial NPI Registration & Enumeration April 05, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1235191248

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 05, 2006

Last Update: December 19, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 37174

Baltimore, MD 212973174

Phone: 5714235699

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.