PROVIDER PROFILE · NPI 1558474718

Robert Zipkin

Internal MedicineSan Mateo, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$25K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Apixaban17 claims

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 Zipkin'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). 31 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jeffrey Guttas Cardiology · San Mateo, CA	141	327
Avanti Ambekar Diagnostic Radiology · San Mateo, CA	51	82
Jon Keller Pathology · Palo Alto, CA	39	159
Clay Napper Diagnostic Radiology · San Mateo, CA	37	62
Sami Bogale Hospitalist · Burlingame, CA	31	54
SCHWARTZ, ALAN	28	52
Gregory Lim Diagnostic Radiology · Burlingame, CA	27	40
NPI 1144281106	26	116
Mark Pederson Diagnostic Radiology · Burlingame, CA	24	39
Shamsuddin Alamgir Internal Medicine · Burlingame, CA	24	163
Charles Everett Pulmonary Disease · Burlingame, CA	23	45
Harriet Borofsky Diagnostic Radiology · San Mateo, CA	19	24

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