What is Daniel Diffin's specialty?

Daniel Diffin (NPI 1649240821) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Westerly, RI.

Where does Daniel Diffin practice?

Daniel Diffin practices in Westerly, RI, based on the location reported in the CMS Medicare provider datasets for NPI 1649240821.

How much does Medicare pay Daniel Diffin?

Daniel Diffin (NPI 1649240821) received approximately $49K in total Medicare Part B payments, serving 770 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649240821

Daniel DiffinMD

Diagnostic RadiologyWesterly, RII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,517

Unique beneficiaries

—

Total services

1,517

Distinct HCPCS

Medicare payment

$49K

Peer benchmark

Total Medicare services vs. 129 Diagnostic Radiology providers in RI — bottom quintile (cohort median 4,480).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

58.1

Quality

49.1

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

-2.03%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Daniel Diffin'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). 93 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LMW HEALTHCARE INC.	1,972	5,315
Westerly Ambulance Corps Inc Ambulance Service Provider · Westerly, RI	279	747
Frederick Jaccarino Emergency Medicine · Westerly, RI	273	574
HILLIKER, KEITH	248	501
Susan Collemer Emergency Medicine · Norwich, CT	180	345
WOMEN & INFANTS HOSPITAL OF RHODE ISLAND	174	460
Stephen Kutz Cardiology · Westerly, RI	133	564
Harold Phillips Family Practice · Mystic, CT	129	470
LAWRENCE AND MEMORIAL HOSPITAL, INC.	119	229
Bartel Crisafi Family Practice · Westerly, RI	116	437
TORRES, KEVIN	113	232
WOOD RIVER HEALTH SERVICES, INC.	109	182

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