PROVIDER PROFILE · NPI 1891860193

Mark Kasselik

Internal MedicineSan Francisco, 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

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark Kasselik'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). 35 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CARPENTER, HOWARD	55	177
Ilyas Iliya Internal Medicine · San Francisco, CA	48	205
Joshua Bernstein Nephrology · San Francisco, CA	47	150
STEVENS, SUSAN	43	137
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	40	114
NPI 1275567943	35	125
Derk Purcell Diagnostic Radiology · San Francisco, CA	34	91
Devan Marar Cardiology · San Francisco, CA	33	188
MOON, KIRK	31	98
Myron Marx Diagnostic Radiology · San Francisco, CA	29	83
Brian Bronzo Diagnostic Radiology · San Francisco, CA	28	76
Edward Baker Diagnostic Radiology · San Francisco, CA	26	110

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