PROVIDER PROFILE · NPI 1891734265

Ralph KoenkerM.D.

PRACTICESUTTER MARINSee all providers at this practice →

Diagnostic RadiologyNovato, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

6,302

Unique beneficiaries

—

Total services

6,755

Distinct HCPCS

Medicare payment

$191K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

90.9

Quality

91.9

Cost

79.3

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.67%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$162

Payment records

By payment type

Food and Beverage$162

REFERRAL NETWORK

Where Ralph Koenker'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). 193 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SUTTER BAY HOSPITALS	1,737	4,011
MARIN GENERAL HOSPITAL	1,543	3,760
ORWIG, DENNIS	348	975
Robert Wirth Diagnostic Radiology · Novato, CA	338	779
Philip Kurzman Diagnostic Radiology · Greenbrae, CA	304	860
Donna Hoghooghi Diagnostic Radiology · Greenbrae, CA	275	643
Brian Nagai Diagnostic Radiology · Fremont, CA	234	572
Natalya Lvoff Diagnostic Radiology · Greenbrae, CA	184	391
Adam Baumgarten Cardiology · Larkspur, CA	184	470
BAER, MARGARET	170	395
North Star Emergency Services, Inc. Ambulance Service Provider · Livermore, CA	169	505
William Demartini Diagnostic Radiology · Greenbrae, CA	162	450

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