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 · 2024

Total received

$767

Payment records

By payment type

Food and Beverage$767

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