PROVIDER PROFILE · NPI 1851400618

Marla SammerM.D.

Diagnostic RadiologyHouston, TXI

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 Marla Sammer'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). 94 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Justin Calvert Interventional Radiology · Mobile, AL	117	305
Steven Quarfordt Interventional Radiology · Chattanooga, TN	110	257
Peter Furicchia Diagnostic Radiology · Birmingham, MI	110	187
Harris Hawk Interventional Radiology · Chattanooga, TN	108	253
County Of Hamilton Ambulance Service Provider · Chattanooga, TN	105	192
Jose Barriocanal Diagnostic Radiology · Chattanooga, TN	105	231
Jeffrey Alvis Diagnostic Radiology · Bristol, TN	103	270
Eileen Lorenz Diagnostic Radiology · Lynnwood, WA	98	204
Noel Bergquist Diagnostic Radiology · Knoxville, TN	90	225
Samuel Porter Diagnostic Radiology · Chattanooga, TN	84	220
Paul Stout Emergency Medicine · Chattanooga, TN	75	170
MEMORIAL HEALTH CARE SYSTEM INC.	71	150

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