What is Gary Keilson's specialty?

Gary Keilson (NPI 1508857707) is a Medicare-billing provider whose primary specialty is Neurology in Worcester, MA.

Where does Gary Keilson practice?

Gary Keilson practices in Worcester, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1508857707.

How much does Medicare pay Gary Keilson?

Gary Keilson (NPI 1508857707) received approximately $128K in total Medicare Part B payments, serving 491 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1508857707

Gary KeilsonMD

NeurologyWorcester, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

632

Unique beneficiaries

—

Total services

12,690

Distinct HCPCS

Medicare payment

$118K

Peer benchmark

Total Medicare services vs. 680 Neurology providers in MA — top quintile (cohort median 409).

PRESCRIBING · PART D · 2024

Total Rx claims

4,404

Beneficiaries

—

Total drug cost

$817K

Distinct drugs

Brand share

22.6%

Top prescribed drugs

Gabapentin559 claims

Donepezil Hcl342 claims

Levetiracetam306 claims

Memantine Hcl219 claims

Pramipexole Di-Hcl192 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$35

Payment records

By payment type

Food and Beverage$35

Top paying entities

Food and Beverage$35

REFERRAL NETWORK

Where Gary Keilson'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	130	323
Noreen Lasalle-Green Diagnostic Radiology · Templeton, MA	31	60
Milliam Kataoka Diagnostic Radiology · Northampton, MA	21	33
John Mukai Diagnostic Radiology · Templeton, MA	18	23
Neeta Shah Cardiology · Webster, MA	16	20
Brian Midkiff Diagnostic Radiology · Worcester, MA	15	23
Sumayya Jawadi Diagnostic Radiology · Worcester, MA	15	29
Eascare Llc Ambulance Service Provider · Weymouth, MA	13	23
David Bader Diagnostic Radiology · Worcester, MA	12	15
John Najjar Vascular Surgery · Worcester, MA	11	15

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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