PROVIDER PROFILE · NPI 1811995467

Robert Greenspan

Internal MedicineFairfax, VAI

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

No data available for this provider in 2024.

REFERRAL NETWORK

Where Robert Greenspan'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
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	107	547
Kourosh Dibadj Nephrology · Fairfax, VA	98	401
INOVA HEALTH CARE SERVICES	80	206
CONTINENTAL DIALYSIS CENTERS INC	80	984
Barkev Banian Cardiology · Woodbridge, VA	73	277
Prince William County Ambulance Service Provider · Prince William, VA	60	154
TOTAL RENAL CARE INC	41	449
Michael Schwartz Diagnostic Radiology · Hyattsville, MD	40	81
Ala Mortazavi Pulmonary Disease · Woodbridge, VA	39	155
Paul D'angelo Diagnostic Radiology · Hudson, OH	39	99
NPI 1255335535	36	150
Director Of Finance-County Of Fairfax Va Ambulance Service Provider · Fairfax, VA	36	85

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