caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1346268067

Ronald WassermanM.D.

PRACTICEINFECTIOUS DISEASE DOCTORS MEDICAL GROUP APCSee all providers at this practice →
Infectious DiseaseWalnut Creek, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
Total Rx claims
251
Beneficiaries
—
Total drug cost
$448K
Distinct drugs
12
Brand share
52.6%
Top prescribed drugs
Bictegrav/Emtricit/Tenofov Ala71 claims
Entecavir29 claims
Emtricitabine/Tenofov Alafenam22 claims
Rifampin19 claims
Cephalexin19 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
824
Unique beneficiaries
—
Total services
1,400
Distinct HCPCS
8
Medicare payment
$179K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 583 Infectious Disease providers in CA — top quintile (cohort median 564).
QUALITY · MIPS · 2024
Final MIPS score
83.6
Quality
67.6
Cost
71.6
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.36%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$29
Payment records
1
By payment type
Food and Beverage$29
REFERRAL NETWORK

Where Ronald Wasserman'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). 86 inbound referrers · 121 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Konark Sharma
Infectious Disease · Walnut Creek, CA
101433
Jorge Bernett
Infectious Disease · Walnut Creek, CA
96259
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
84251
Michael Vollmer
Infectious Disease · Walnut Creek, CA
81275
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
72168
Amy Lai
Diagnostic Radiology · New York, NY
66174
Kimberly Blumberg
Diagnostic Radiology · Walnut Creek, CA
57160
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
52148
Ronald Chan
Diagnostic Radiology · Walnut Creek, CA
49110
Eric Chen
Interventional Radiology · Los Angeles, CA
47113
Daniel Kim
Diagnostic Radiology · Walnut Creek, CA
4190
Ramin Khashayar
Pulmonary Disease · Walnut Creek, CA
41366
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
JOHN MUIR HEALTH140454
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
113660
Konark Sharma
Infectious Disease · Walnut Creek, CA
104454
Joshua Perlroth
Infectious Disease · Walnut Creek, CA
91322
William Hoddick
Diagnostic Radiology · Walnut Creek, CA
78232
Michael Vollmer
Infectious Disease · Walnut Creek, CA
76192
Jorge Bernett
Infectious Disease · Walnut Creek, CA
75231
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
61156
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
53118
JOHN MUIR HEALTH4882
Unilab Corporation
Clinical Laboratory · Sacramento, CA
48406
SIGEL, RICHARD44110
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.