What is Daniel Massarelli's specialty?

Daniel Massarelli (NPI 1467435131) is a Medicare-billing provider whose primary specialty is Internal Medicine in Worcester, MA.

Where does Daniel Massarelli practice?

Daniel Massarelli practices in Worcester, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1467435131.

How much does Medicare pay Daniel Massarelli?

Daniel Massarelli (NPI 1467435131) received approximately $81K in total Medicare Part B payments, serving 495 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1467435131

Daniel MassarelliM.D.

Internal MedicineWorcester, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,245

Unique beneficiaries

—

Total services

1,390

Distinct HCPCS

Medicare payment

$80K

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

7,222

Beneficiaries

—

Total drug cost

$335K

Distinct drugs

Brand share

13.9%

Top prescribed drugs

Atorvastatin Calcium775 claims

Amlodipine Besylate491 claims

Lisinopril478 claims

Losartan Potassium306 claims

Hydrochlorothiazide274 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 Daniel Massarelli'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). 5 inbound referrers · 17 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	224	523
Gopal Vijayaraghavan Diagnostic Radiology · Worcester, MA	14	21
DESAI, CHARU	14	23
Donald Pelto Podiatry · Worcester, MA	13	34
NEW ENGLAND REHABILITATION SERVICES OF CENTRAL MASSACHUSETTS INC	11	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UMASS MEMORIAL MEDICAL CENTER, INC.	210	926
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	112	266
Christine Collotta Physician Assistant · Shrewsbury, MA	40	64
Joseph Ferrucci Diagnostic Radiology · Worcester, MA	29	56
GORE, JOEL	20	72
Seth Dahlberg Internal Medicine · Worcester, MA	18	46
Timothy Fitzgibbons Cardiology · Worcester, MA	15	31
David Lyons Cardiology · Worcester, MA	14	39
DESAI, CHARU	14	49
Clifford Browning Clinical Cardiac Electrophysiology · Worcester, MA	14	33
NPI 1508944463	13	18
Peter Gibson Cardiology · Worcester, MA	13	25

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