What is John Hamilton's specialty?

John Hamilton (NPI 1235191248) is a Medicare-billing provider whose primary specialty is Neurosurgery in Fairfax, VA.

Where does John Hamilton practice?

John Hamilton practices in Fairfax, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1235191248.

How much does Medicare pay John Hamilton?

John Hamilton (NPI 1235191248) received approximately $373K in total Medicare Part B payments, serving 480 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1235191248

John HamiltonM.D., PHD

NeurosurgeryFairfax, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

787

Unique beneficiaries

—

Total services

959

Distinct HCPCS

Medicare payment

$178K

Peer benchmark

Total Medicare services vs. 118 Neurosurgery providers in VA — top quintile (cohort median 511).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

83.4

Quality

73.0

Cost

71.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$5K

Payment records

By payment type

Consulting Fee$4K

Food and Beverage$2K

Top paying entities

Consulting Fee$4K

Food and Beverage$2K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where John Hamilton's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 16 inbound referrers · 59 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEDICAL TRANSPORTATION SERVICES, LLC	47	127
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	35	106
Director Of Finance-County Of Fairfax Va Ambulance Service Provider · Fairfax, VA	33	71
INOVA HEALTH CARE SERVICES	32	80
Jeffrey Troy Diagnostic Radiology · Fairfax, VA	17	39
INOVA HEALTH CARE SERVICES	16	44
GOODWIN, LYNDON	15	28
Raymond Chang Diagnostic Radiology · Fairfax, VA	15	21
VANIKAR, DIPTI	14	74
Philip Minshew Diagnostic Radiology · Fairfax, VA	14	34
Lellise Shewakena Internal Medicine · Virginia Beach, VA	14	43
O'CONNELL, ROBERT	11	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
INOVA HEALTH CARE SERVICES	138	424
MEDICAL TRANSPORTATION SERVICES, LLC	63	185
INOVA HEALTH CARE SERVICES	32	89
Director Of Finance-County Of Fairfax Va Ambulance Service Provider · Fairfax, VA	29	52
Jonathan Alfert Diagnostic Radiology · Fairfax, VA	27	79
Birendra Amatya Internal Medicine · Falls Church, VA	27	109
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	23	54
David Mehfoud Diagnostic Radiology · Fairfax, VA	23	73
Sun Chen Diagnostic Radiology · Fairfax, VA	23	74
GOODWIN, LYNDON	22	38
Huy Nguyen Internal Medicine · Falls Church, VA	22	55
Nandini Patel Diagnostic Radiology · Fairfax, VA	22	64

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events