PROVIDER PROFILE · NPI 1851399802

Michael Duffy

Internal MedicineSan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$25

Payment records

By payment type

Food and Beverage$25

REFERRAL NETWORK

Where Michael Duffy'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). 57 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALCALA PHARMACEUTICAL INC.	246	8,643
MICHAEL S DUFFY SR DO INC	130	515
Robert Moon Internal Medicine · Chula Vista, CA	124	489
Phamatech Incorporated Clinical Laboratory · San Diego, CA	122	1,498
Genevieve Buenaflor Osteopathic Manipulative Medicine · Rancho Cucamonga, CA	91	657
Christina Hinckley Nurse Practitioner · San Diego, CA	89	516
PRIME HEALTHCARE PARADISE VALLEY LLC	65	399
ALVARADO HOSPITAL, LLC	64	251
MISSION HOME HEALTH OF SAN DIEGO LLC	62	206
SAN DIEGO MEDICAL SERVICES ENTERPRISE, LLC	61	199
American Medical Response Ambulance Service, Inc. Ambulance Service Provider · San Diego, CA	59	281
Unilab Corporation Clinical Laboratory · West Hills, CA	59	195

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