What is Thomas Armstrong's specialty?

Thomas Armstrong (NPI 1518940816) is a Medicare-billing provider whose primary specialty is Internal Medicine in Indianapolis, IN.

Where does Thomas Armstrong practice?

Thomas Armstrong practices in Indianapolis, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1518940816.

How much does Medicare pay Thomas Armstrong?

Thomas Armstrong (NPI 1518940816) received approximately $43K in total Medicare Part B payments, serving 198 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1518940816

Thomas ArmstrongMD

PRACTICEST. VINCENTSee all providers at this practice →

Internal MedicineIndianapolis, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

370

Unique beneficiaries

—

Total services

606

Distinct HCPCS

Medicare payment

$43K

Peer benchmark

Total Medicare services vs. 1,429 Internal Medicine providers in IN — below median (cohort median 666).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$658

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Oxycodone Hcl17 claims

Aripiprazole13 claims

Atorvastatin Calcium13 claims

Cephalexin11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Thomas Armstrong'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). 63 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. VINCENT HOSPITAL & HEALTH CARE CENTER, INC.	365	1,361
Raymond Baumgartner Podiatry · Indianapolis, IN	119	365
Melissa Cave Internal Medicine · Indianapolis, IN	101	589
THE HEALTH AND HOSPITAL CORPORATION OF MARION COUNTY	98	895
Seals Ambulance Service, Inc. Ambulance Service Provider · Indianapolis, IN	89	327
ACTION AMBULANCE	76	578
INDIANA UNIVERSITY HEALTH INC	53	195
David Gulliver Diagnostic Radiology · Indianapolis, IN	50	145
Richard Hallett Diagnostic Radiology · Stanford, CA	43	110
ISEMINGER, KAREN	33	178
Ryan Sauer Diagnostic Radiology · Indianapolis, IN	30	86
Usama Fahmy Internal Medicine · Indianapolis, IN	27	78

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