What is Grant Mathews's specialty?

Grant Mathews (NPI 1689898843) is a Medicare-billing provider whose primary specialty is Internal Medicine in Mountain Home, AR.

Where does Grant Mathews practice?

Grant Mathews practices in Mountain Home, AR, based on the location reported in the CMS Medicare provider datasets for NPI 1689898843.

How much does Medicare pay Grant Mathews?

Grant Mathews (NPI 1689898843) received approximately $159K in total Medicare Part B payments, serving 560 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689898843

Grant MathewsMD

Internal MedicineMountain Home, ARI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

867

Unique beneficiaries

—

Total services

2,589

Distinct HCPCS

Medicare payment

$152K

Peer benchmark

Total Medicare services vs. 599 Internal Medicine providers in AR — top quintile (cohort median 949).

PRESCRIBING · PART D · 2024

Total Rx claims

2,784

Beneficiaries

—

Total drug cost

$223K

Distinct drugs

Brand share

10.5%

Top prescribed drugs

Calcitriol663 claims

Terazosin Hcl235 claims

Allopurinol230 claims

Furosemide194 claims

Hydralazine Hcl133 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$472

Payment records

By payment type

Food and Beverage$472

Top paying entities

Food and Beverage$472

REFERRAL NETWORK

Where Grant Mathews'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). 45 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Timothy Brown Diagnostic Radiology · Mountain Home, AR	105	714
Otis Warr Cardiology · Mountain Home, AR	87	490
LANDRUM, WILLIAM	73	433
NPI 1285690016	44	155
Richard Schmidt Hospitalist · Mountain Home, AR	38	338
GODFREY, LINCOLN	36	219
Melissa Dirst-Roberts Hospitalist · Mountain Home, AR	35	230
Daniel Goodwin Hospitalist · Mountain Home, AR	34	199
Eric Arp Podiatry · Mountain Home, AR	31	112
Billy Bisswanger Emergency Medicine · Mountain Home, AR	30	182
Donald Douglas Specialist · Mountain Home, AR	29	158
Bradley Schulz Emergency Medicine · Mountain Home, AR	29	166

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