What is Thomas Castiglione's specialty?

Thomas Castiglione (NPI 1770553539) is a Medicare-billing provider whose primary specialty is Internal Medicine in Kingston, MA.

Where does Thomas Castiglione practice?

Thomas Castiglione practices in Kingston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1770553539.

How much does Medicare pay Thomas Castiglione?

Thomas Castiglione (NPI 1770553539) received approximately $128K in total Medicare Part B payments, serving 353 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1770553539

Thomas CastiglioneM.D.

Internal MedicineKingston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,787

Unique beneficiaries

—

Total services

2,233

Distinct HCPCS

Medicare payment

$117K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

3,301

Beneficiaries

—

Total drug cost

$278K

Distinct drugs

Brand share

19.0%

Top prescribed drugs

Atorvastatin Calcium370 claims

Losartan Potassium186 claims

Lisinopril173 claims

Omeprazole161 claims

Levothyroxine Sodium161 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Thomas Castiglione'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	67	426
SOUTH SHORE HOSPITAL INC.	42	321
Joanne Hill Nurse Practitioner · Norwell, MA	30	212
Harbor Medical Associates, Inc. Clinical Laboratory · South Weymouth, MA	15	102
Wynn Perlick Podiatry · Quincy, MA	12	40
James Galvin Diagnostic Radiology · Plymouth, MA	11	27
CLANCY, JANE	11	29
Laura Bondlow Physician Assistant · Boston, MA	11	40

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