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PROVIDER PROFILE · NPI 1942258728

Raphael MerrimanMD

GastroenterologySan Francisco, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
554
Unique beneficiaries
—
Total services
1,010
Distinct HCPCS
8
Medicare payment
$121K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,398 Gastroenterology providers in CA — above median (cohort median 750).
PRESCRIBING · PART D · 2024
Total Rx claims
1,468
Beneficiaries
—
Total drug cost
$844K
Distinct drugs
27
Brand share
28.3%
Top prescribed drugs
Tacrolimus151 claims
Ursodiol127 claims
Tenofovir Alafenamide120 claims
Rifaximin111 claims
Furosemide101 claims
REFERRAL NETWORK

Where Raphael Merriman'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Garret Hisatake
General Surgery · San Francisco, CA
48770
Brian Bronzo
Diagnostic Radiology · San Francisco, CA
39254
Edward Baker
Diagnostic Radiology · San Francisco, CA
38219
STEVENS, SUSAN37267
CARPENTER, HOWARD32187
Adil Wakil
Gastroenterology · San Francisco, CA
25224
NPI 127556794324136
Guy Lubliner
Internal Medicine · San Francisco, CA
24396
Matthew Mcandrew
Hospitalist · San Francisco, CA
23272
Hanieh Rad
Internal Medicine · Tualatin, OR
20186
Constance Wylie
Nurse Practitioner · San Francisco, CA
1930
George Horng
Internal Medicine · San Francisco, CA
17225
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.